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187 Sustainability Topics For Research Papers In 2023

If you are a student of environmental science or even technology, sustainability is a very important topic for your research papers. These topics help you study the impact of mankind on the environment and different options that are available to prevent further deterioration of the planet. There is a lot of scope for research on this subject, making it one of the most common topics for dissertation or thesis writing. Here is a list of some of the best environmental sustainability research topics that will help you get started on your research paper and project.

The topics below are practical and easy because you can find a lot of information about them. Whether you are writing an informative or argumentative paper, these topics are the perfect starting point for you.

Environmental Sustainability Research Topics

These sustainability research topics are suitable for in-depth data and analysis. They are ideal for lengthy writing assignments.

• Draw a comparison between different non-profit groups that are dedicated to improving sustainability.
• Can custom sustainable designs for classrooms improve learning?
• Is adding better natural lighting a sustainable way of saving on energy costs in large organizations?
• What are the different technological innovations that are focused on reducing environmental pollution?
• Does veganism help protect the environment?
• Are hand dryers instead of paper towels a good idea for public restrooms?
• How is pollution related to a country’s GDP?
• Why do developing nations find it difficult to start recycling programs?
• What are some political challenges that the environment faces globally?
• Is American politics affecting the environment?
• What are the benefits of choosing a vegan diet?
• Do developed countries have the responsibility of helping third-world nations become more sustainable?
• Are your current local environmental policies effective enough?
• Should high schools and colleges ban the use of plastic?
• How does food consumption affect the environment?
• Why is Sweden so different from other countries when it comes to protecting the environment?
• What are some technological advancements that help us reduce waste?
• Why have we failed to reduce food wastage across the globe?
• Is better recycling technology the solution to reducing waste in landfills?
• How are plastic straws a threat to the environment of the Earth?
• Can increased taxes items meant for single-use reduce waste from piling up in landfills?
• Why do some states succeed in banning plastic bags while others fail?
• How is overpopulation related to pollution?
• In the next fifty years, how will the population impact the environment?
• Do we have enough natural resources to support the exploding population across the globe?
• What role does the government play in improving food resources?

Easy Sustainability Topics For Research

These sustainability topics for research are commonly used by students because they are practical in terms of research and the availability of data.

• Is banning plastic a suitable solution to reduce environmental pollution?
• What are the options available to make cutlery sustainable?
• Should metros ban the use of plastic straws completely?
• Why is our ecosystem so dependent on sea life?
• Does any carbon footprint come from farm animals and how?
• Why is it the need of the hour to prevent waste from being dumped into oceans?
• How does getting fair-trade certificates to benefit university campuses?
• Why should we increase the consumption of local produce?
• How does supporting local businesses improve sustainability?
• Should food donation programs be imposed in cities?
• How has the emergence of farmers’ markets helped various communities?
• Is buffet-style dining beneficial or harmful for efforts toward sustainability?
• How can taxes be used to improve sustainability efforts?
• How can leftovers from hotels and restaurants be disposed of sustainably?
• What are the various benefits of food programs for the community?
• Explain the process of growing vegan produce and its effect on the environment
• How have sustainability efforts been affected globally as a result of the pandemic?
• Is zero-waste living ideal?
• What does sustainability mean in the 21st century?
• How is supporting local food markets sustainable?
• How does the greenhouse effect change as a result of less meat consumption?
• Does eating red meat improve the quality of the air?
• What are some benefits of switching to a plant-based diet?
• Should school cafeterias increase the options for vegan food?
• How do slaughterhouses impact the environment negatively?
• What if all restaurants switched to buffet-style meals?

Best Sustainability Topics For Research Papers

Looking for sustainability topics for research that can ensure better grades. Here is a list of some of the best topics on sustainability that you can choose from.

• Give a detailed plan for a sustainable restaurant.
• Why do large cities struggle with reducing air pollution?
• Should cities make it mandatory to reduce food waste in community gardens?
• What are some of the primary benefits of improving public transportation systems?
• Should rainwater harvesting become compulsory for large buildings?
• Has technology benefited or harmed the environment?
• Will reducing our dependence on technology help sustain the environment?
• Are smaller classrooms beneficial or harmful to the environment?
• How has the pandemic affected the environment positively?
• What is the negative impact of the pandemic on the environment?
• Can reducing the number of school days improve sustainability efforts?
• How do school campuses contribute to environmental deterioration? How can it be reduced?
• What are the best ways to teach children about non-renewable and renewable resources?
• What are some immediate changes that you can make in your life to become more sustainable?
• Create a detailed sustainability plan for your family
• Can maintaining a constant temperature at home reduce energy costs? Support your argument with data.
• Chart out a detailed zero-waste living plan that can be implemented easily.
• What is the relationship between community health and the environment?
• Case studies of the impact of pollution on the health of people.
• How do developing nations improve their access to water resources?
• Can government policies truly help the environment?
• Will creating better public spaces like riverbeds and parks improve sustainability?
• What are some measures that can be used to improve access to clean water in developing nations?
• What are some measures taken by Denmark to reduce food waste?
• Discuss Sweden’s efforts to use waste for heating and energy.
• How can we reduce pollution and improve the quality of care at the same time?

Environmental Research Topics for College Students

These sustainability topics for research papers are perfect for college students as they are most relevant and extremely interesting as well.

• What are the best ways to deal with medical waste?
• How has awareness about recycling improved sustainability efforts?
• Is global warming false as some world leaders claim?
• What are some ecological challenges that the US will face in the coming decades?
• Will green universities improve students’ mental health?
• How can growing your food help in improving sustainability?
• What are the best measures that communities can take to prevent waste
• What are the best ways to use landscaping sustainably?
• Is gardening around the house a good way of improving the quality of air amidst growing pollution rates?
• Should fireworks be banned?
• How can we raise cattle sustainably?
• How is the fashion industry impacting the environment?
• Discuss the importance of sustainable fashion in the world we live in.
• How can community gardens help cities become more sustainable?
• How can you measure the success of a smart city by the well-being of its inhabitants?
• What are smart cities? Can you provide examples?
• How can digitization be used to pursue a sustainability agenda?
• What are the various ecological dimensions of sustainability?
• Should governments provide more grants for research on sustainability?
• Discuss some sustainable measures that we can learn from our ancestors.
• What is the impact of America’s withdrawal from the Paris Climate Agreement?
• What are the Paris Climate Agreement and its important terms?
• How can changing policies from a macro level to a micro level improve sustainability efforts?
• What are the best measures taken by the UN to improve sustainability?
• Greta Thunberg: The poster child of climate change or a publicity stunt?
• The most impactful environmentalists over the last decade.

Sustainability Topics for All Levels

These sustainability research paper topics are perfect for you whether you are writing a high school paper or a college paper. They are versatile and easy to compile.

• How will our carbon footprint impact the generations to come?
• What are the different types of sustainability?
• What does sustainability education mean?
• How can your school or college improve its regulations to make the campus sustainable?
• Are there any sustainability programs that have been implemented in your school or college?
• Do solar panels on buildings help reduce energy costs?
• What are the benefits of including sustainability education in the school curriculum?
• How does non-plastic waste in the oceans impact the environment?
• How to prevent the greenhouse effect from agriculture?
• Should governments support and invest in more solar technologies?
• How can a home become energy efficient with solar energy?
• How does an improved ventilation system improve sustainability?
• What are the measures taken by modern schools and colleges in improving sustainability?
• How can modern classrooms make use of natural light for better sustainability?
• How can we save on energy by setting systems off when they are still idle.
• What are the various benefits of changing classroom timings to optimize the use of natural lighting?
• Is it possible to apply a game theory to manage challenges with sustainability?
• What is the difference between biocapacity and carbon footprint in various regions?
• What are some challenges faced by companies when it comes to conserving energy?
• Can you name some environmental groups that have been most effective in cleaning up plastic from the oceans and how they have achieved their goals?
• What are some positive effects of reducing computer screen brightness?
• Name some countries with the poorest environmental laws?
• A case study of the most sustainable nations in the world.
• The effect of plastic on the environment in detail.
• What are some effective measures of saving water?
• A study of oil spills and their effect on marine life over the last decade.

Environmental Project Topics

Have an environmental sustainability topic due? This sustainability topics list is all you need to present projects that grab the attention of your audience.

• What are some barriers and drivers of sustainability research?
• How does on-campus sustainable research help increase practical solutions for environmental sustainability?
• Provide a business case to install new lighting systems
• What are some lighting systems available today that are most sustainable?
• Needs luxury led to an unsustainable environment?
• What are the benefits of using electric cars?
• The most impactful evidence to prove that global warming is real.
• Do political agendas suppress sustainability efforts? How?
• What are some of the major threats of climate change?
• The importance of teaching children about sustainability
• What are some of the most common examples of wasteful living that you see around you?
• The relationship between undernutrition, obesity, and climate change.
• Why has ice loss across the Himalayas become rapid over the last 40 years?
• How quickly are we depleting natural resources?
• How does the medical industry contribute to global warming?
• What is the Lancet Countdown on climate change and health?
• Does climate change impact the health of newborn children?
• How has industrialization helped and harmed the environment?
• The use of heating and cooling systems and their impact on the environment.
• The harmful impact of the film industry on the environment
• Celebrities who have successfully endorsed anti-climate change campaigns
• KFC and the Amazon Rainforests: What was the chaos about?
• How has the fast-food industry impacted the environment?
• The contribution of the aviation industry toward global warming
• What is a carbon tax and how can it help improve efforts towards sustainability?
• Write about the development of waste streams over the last few decades.
• Are newspapers viable in times of sustainability?
• The importance of enhancing biodiversity to reduce environmental deterioration.
• Can improving safety regulations for cyclists contribute to sustainability?
• What are some of the most sustainable multi-national companies? Discuss their strategies.

Sustainable Development Topics

Development is a very important topic for research paper writing for students of environmental studies. Here are some sustainability topics for research related to development to help you get started.

• How has economic globalization impacted the environment?
• What is the relationship between autocracy, democracy, wars, and natural resources?
• How does a finite environmental capacity impact political and economic development?
• Changing human behavior and the use of natural resources.
• Adaptation and mitigation policies to solve environmental issues.
• The difference between the approach of a political institution and market-based requirements towards sustainability.
• How has the automobile industry taken steps towards sustainability?
• What are some effects of Green Technology on the economy?
• What is the advantage of using Green Technology in organizations?
• A detailed study of the Global Environmental Sustainability Framework to technology.
• How can digitization be used to improve awareness about sustainability?
• Is it practical to implement Green technology in developing countries? What are the best measures that can be taken?
• How can construction become sustainable?
• How can Green Thinking help improve sustainability?
• What is the perception of green energy and sustainability in multinational organizations?
• What are some sustainability policies that have helped developing nations?
• The impact of digitization on sustainability
• What are the current trends in Green Technology?
• Should builders receive incentives for constructing sustainable structures?
• Incentives for sustainability in industrial settings.
• The most effective option for disposing of electronic waste.
• How advancement in medical technology has impacted the environment
• The relationship between motorsports and the environment.
• Do large public events like concerts and sports events impact sustainability?
• The impact of styrofoam cups on the environment.
• Advancements in technology have contributed to sustainability.
• Scientists who have contributed effectively towards sustainability.

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Sustainable Development Research Paper Topics

In this comprehensive guide to sustainable development research paper topics , we explore the diverse and critical issues related to sustainable development within the field of environmental science. Sustainable development encompasses the principles of economic growth, social equity, and environmental protection, aiming to create a better future for present and future generations. This abstract provides an overview of the page’s content, including a comprehensive list of sustainable development research paper topics, expert advice on topic selection, and guidance on writing a sustainable development research paper. Additionally, we introduce our writing services, offering students the opportunity to order custom research papers on any sustainable development topic. Through this page, students can gain valuable insights and resources to contribute to the advancement of sustainable development research.

100 Sustainable Development Research Paper Topics

The field of sustainable development encompasses a wide range of interconnected topics that address the environmental, social, and economic challenges facing our world today. To assist you in your research endeavors, we have compiled a comprehensive list of sustainable development research paper topics. These topics span across various disciplines and offer opportunities for in-depth exploration and critical analysis. By examining these topics, you can contribute to the understanding of sustainable development and develop innovative solutions for a more sustainable future.

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Environmental Conservation and Biodiversity

• The role of protected areas in biodiversity conservation
• Sustainable management of forests and its impact on biodiversity
• Conservation strategies for endangered species
• Implications of climate change on biodiversity loss
• Sustainable practices for marine and coastal conservation
• Wildlife trafficking and its impact on biodiversity
• The role of indigenous knowledge in biodiversity conservation
• Strategies for promoting urban biodiversity
• Ecosystem restoration and its benefits for biodiversity
• Evaluating the effectiveness of conservation policies and programs

Sustainable Energy

• Transitioning to renewable energy sources: Challenges and opportunities
• Energy efficiency and its impact on sustainable development
• The role of nuclear energy in achieving a sustainable energy future
• Sustainable transportation systems: Innovations and policies
• Community-based renewable energy projects
• Energy access and sustainability in developing countries
• The social, economic, and environmental impacts of fossil fuel extraction
• Advancements in energy storage technologies
• Smart grid systems and their contribution to sustainable energy
• The role of government policies in promoting renewable energy adoption

Climate Change Mitigation and Adaptation

• Assessing the effectiveness of international climate agreements
• Climate change and its impacts on vulnerable communities
• The role of renewable energy in reducing greenhouse gas emissions
• Carbon pricing mechanisms: Prospects and challenges
• Urban planning for climate change resilience
• Climate change adaptation strategies in agricultural systems
• Impacts of climate change on water resources and management
• Sustainable cities and climate change mitigation
• The role of education in fostering climate change awareness and action
• Assessing the socio-economic implications of climate change policies

Sustainable Agriculture and Food Systems

• Organic farming practices and their impact on food security
• Sustainable agriculture and water management
• The role of genetic engineering in sustainable crop production
• Agroecology and its potential for sustainable food systems
• Urban agriculture and its contribution to food security
• Sustainable fisheries management and conservation
• Climate-smart agriculture: Strategies for resilience and adaptation
• The socio-economic impacts of agricultural subsidies
• Sustainable food supply chains and distribution systems
• Indigenous knowledge and sustainable agricultural practices

Social Equity and Justice

• Social sustainability and inclusive development
• Gender equality and empowerment in sustainable development
• Indigenous rights and sustainable resource management
• Ensuring access to education and healthcare in marginalized communities
• Social impact assessment in development projects
• Strategies for poverty alleviation and economic empowerment
• Promoting social entrepreneurship for sustainable development
• Environmental justice and equitable distribution of environmental benefits and burdens
• The role of social movements in advancing sustainable development goals
• Promoting inclusive governance for sustainable development

Sustainable Urban Development

• Urbanization and its impact on the environment and society
• Sustainable urban planning and design
• Green infrastructure and urban resilience
• Transportation and mobility in sustainable cities
• Affordable housing and sustainable urban development
• Smart cities: Technologies and applications for sustainability
• Urban governance and stakeholder engagement in sustainable development
• Sustainable waste management in urban areas
• Strategies for promoting sustainable consumption and production in cities
• Sustainable tourism and its role in urban development

Water Resources Management

• Integrated water resources management for sustainable development
• Water scarcity and its implications for sustainable development
• Water governance and institutional frameworks
• Sustainable approaches to water supply and sanitation
• Water pollution and its impacts on ecosystems and human health
• Water-related conflicts and their resolution
• Climate change and water resources management
• Water footprint analysis and sustainable consumption
• Indigenous water rights and traditional knowledge in water management
• Innovative technologies for water conservation and management

Sustainable Business Practices

• Corporate social responsibility and sustainable business models
• Circular economy and its application in business practices
• Sustainable supply chain management
• Green marketing and consumer behavior
• Sustainable finance and investment strategies
• Corporate sustainability reporting and transparency
• Ethical considerations in business decision-making
• Sustainable entrepreneurship and innovation
• Environmental management systems and certifications
• Stakeholder engagement and sustainability in business

Environmental Policy and Governance

• International environmental agreements and their effectiveness
• Policy instruments for environmental conservation and sustainability
• Environmental impact assessment and decision-making processes
• Public participation in environmental decision-making
• Climate change policy and governance mechanisms
• Environmental justice and policy implications
• Regulatory frameworks for natural resource management
• The role of non-governmental organizations in environmental advocacy
• Policy integration for sustainable development
• Evaluation and monitoring of environmental policies and programs

Sustainable Development and Technology

• Technological innovations for sustainable development
• The role of information and communication technology in achieving sustainability goals
• Green building design and sustainable architecture
• Renewable energy technologies and their integration into the grid
• The impact of digitalization on sustainable development
• Sustainable transportation technologies and solutions
• Internet of Things (IoT) and its applications for sustainability
• Blockchain technology and its potential for sustainable supply chains
• Big data analytics for environmental monitoring and resource management
• Technological solutions for waste management and recycling

The field of sustainable development is vast and dynamic, presenting numerous avenues for research and inquiry. The comprehensive list of sustainable development research paper topics provided here offers a starting point for your exploration and provides inspiration for further investigation. As you embark on your research journey, remember to select a topic that aligns with your interests, leverage interdisciplinary perspectives, and consider the practical implications of your findings. Through your research, you have the potential to make a significant impact on the field of sustainable development and contribute to the ongoing efforts of creating a more sustainable and equitable world.

Sustainable Development Research Guide

As students of environmental science, you have a unique opportunity to explore the multifaceted field of sustainable development and contribute to the ongoing efforts in creating a more sustainable future. This page serves as a valuable resource for your research endeavors, providing a curated list of sustainable development research paper topics, expert advice on topic selection, and practical guidance on writing a sustainable development research paper.

Sustainable development is a critical concept in today’s world, addressing the complex interplay between economic growth, social well-being, and environmental stewardship. By studying sustainable development, you delve into topics such as renewable energy, climate change adaptation, sustainable urban planning, natural resource management, and much more. Through your research, you can analyze current challenges, propose innovative solutions, and contribute to the global sustainability discourse.

This page aims to inspire and guide you in exploring the vast landscape of sustainable development research. We understand that choosing a research paper topic can be a daunting task, considering the multitude of issues and perspectives within this field. That’s why we have compiled a comprehensive list of sustainable development research paper topics, categorized into relevant themes, to help you find an area of interest that aligns with your academic goals and personal passion.

Furthermore, we provide expert advice on how to choose the most suitable sustainable development research paper topic. We will discuss the importance of selecting a focused and researchable topic, considering the scope and depth of available literature, and ensuring its relevance to current sustainability challenges. Additionally, we will guide you through the process of writing a well-structured research paper, emphasizing the critical elements such as literature review, methodology, data analysis, and conclusion.

To support your academic journey, iResearchNet offers custom writing services, allowing you to order a custom sustainable development research paper tailored to your specific requirements. Our team of expert degree-holding writers is well-versed in the field of environmental science and sustainable development, ensuring that your paper is thoroughly researched, meticulously written, and aligned with the highest academic standards.

By utilizing our writing services, you gain access to in-depth research, customized solutions, and top-quality papers. We offer flexible pricing options to accommodate various budgets and short deadlines of up to 3 hours to meet even the most urgent requirements. Our commitment to timely delivery, 24/7 support, absolute privacy, easy order tracking, and a money-back guarantee ensures your satisfaction and peace of mind.

Choosing a Sustainable Development Topic

Choosing the right research topic is a critical step in the process of writing a sustainable development research paper. As a student of environmental science, you have the opportunity to contribute to the growing body of knowledge in this field and address pressing issues related to sustainability. However, with a multitude of potential topics to explore, it can be challenging to narrow down your focus and select a research question that is both relevant and impactful. In this section, we provide expert advice and practical tips to guide you in choosing sustainable development research paper topics. By following these suggestions, you can identify an area of interest, align your research with current trends, and contribute to the global discourse on sustainable development.

• Identify your area of interest : Start by exploring the different aspects of sustainable development that interest you the most. This could be environmental conservation, social equity, renewable energy, or any other specific area within sustainable development.
• Consider current issues and trends : Stay updated on the latest developments in sustainable development. Look for emerging challenges, debates, and innovative solutions that can form the basis of your research topic.
• Conduct a literature review : Dive into existing research and literature on sustainable development to understand the gaps in knowledge and identify potential research areas that need further exploration.
• Narrow down your focus : Once you have identified a broad topic, narrow it down to a specific research question or problem that you want to address. This will help you focus your research and provide a clear direction for your paper.
• Look for interdisciplinary connections : Sustainable development is a multidisciplinary field, so consider how you can integrate different disciplines and perspectives into your research. This can lead to unique insights and innovative approaches.
• Consider local and global contexts : Assess the relevance of your research topic in both local and global contexts. How does it relate to the specific challenges and needs of a particular region or community? How does it contribute to the broader sustainable development agenda?
• Consult with experts and peers : Engage in discussions with professors, researchers, and peers who specialize in sustainable development. Seek their advice and gather different perspectives to refine your research topic.
• Conduct a feasibility assessment : Evaluate the feasibility of your research topic in terms of data availability, resources required, and potential challenges you may encounter. Ensure that you have access to relevant data and research materials to support your study.
• Consider the practical implications : Reflect on the practical implications of your research topic. How can your findings contribute to policy development, community initiatives, or practical solutions in the field of sustainable development?
• Align with your personal and career goals : Choose a research topic that aligns with your personal interests and long-term career aspirations. This will not only motivate you throughout the research process but also enhance your expertise in your chosen area of sustainable development.

Selecting a research topic in sustainable development requires careful consideration, as it sets the foundation for your entire research endeavor. By following the expert advice provided in this section, you can navigate through the vast landscape of sustainable development research paper topics and choose one that resonates with your passion, aligns with current issues, and has the potential for meaningful contribution. Remember to conduct thorough literature reviews, consult with experts, and ensure the feasibility and practical implications of your chosen topic. With these insights and guidelines, you are well-equipped to embark on your research journey and make a valuable contribution to the field of sustainable development. Embrace the opportunity to explore, learn, and create positive change through your research efforts.

How to Write a Sustainable Development Research Paper

Writing a sustainable development research paper requires careful planning, critical thinking, and effective execution. As a student of environmental science, you have the opportunity to delve into complex issues, propose innovative solutions, and contribute to the field of sustainability. However, the process of crafting a research paper can be daunting, especially if you are new to the academic research landscape. In this section, we provide you with valuable tips and guidance on how to write a sustainable development research paper. By following these steps, you can streamline your writing process, effectively communicate your ideas, and produce a high-quality research paper that contributes to the ongoing dialogue on sustainable development.

• Choose a focused research topic : In the field of sustainable development, there are numerous areas to explore. Select a specific aspect that interests you and aligns with your academic goals. Consider topics such as renewable energy, sustainable agriculture, urban planning, climate change adaptation, or corporate social responsibility.
• Conduct thorough background research : Before diving into your research paper, take the time to familiarize yourself with existing literature, theories, and concepts related to your chosen topic. This will help you gain a deeper understanding of the subject and identify any research gaps or areas for further exploration.
• Formulate a clear research question : A well-defined research question is the backbone of any research paper. It should be concise, specific, and address a gap or challenge in sustainable development. Consider the broader implications and potential practical applications of your research question.
• Develop a strong thesis statement : Craft a clear and compelling thesis statement that encapsulates the main argument or purpose of your research paper. Your thesis statement should reflect the significance of your research and provide a roadmap for the reader to understand the direction of your paper.
• Gather reliable and relevant data : As you embark on your research journey, it is crucial to collect data from credible sources. Rely on academic journals, reputable organizations, government reports, and scientific databases to obtain reliable and relevant information. Ensure that the data you gather aligns with your research question and supports your arguments.
• Analyze and interpret data : Once you have gathered your data, apply appropriate research methods and analytical tools to analyze and interpret the information. Utilize statistical analysis, qualitative research techniques, or a combination of both to derive meaningful insights from your data.
• Provide evidence-based arguments : In a research paper, it is essential to support your claims and arguments with accurate and up-to-date evidence. Cite scholarly articles, empirical studies, case studies, or real-world examples to reinforce your ideas. This will add credibility to your research and strengthen your overall argument.
• Structure your paper effectively : Organize your research paper in a logical and coherent manner. Start with an introduction that provides context, states your research question, and highlights the significance of your study. Follow with a comprehensive literature review that synthesizes existing knowledge and identifies gaps. Then, outline your research methodology, present your findings, engage in a critical discussion, and conclude with a summary of your main points and potential areas for future research.
• Write in a clear and concise manner : Effective communication is crucial in academic writing. Use clear and concise language to convey your ideas effectively. Break down complex concepts into understandable terms and ensure that your writing is accessible to a wide audience. Avoid unnecessary jargon or technical language that may alienate readers.
• Revise and edit your paper : Once you have completed the initial draft of your research paper, take the time to review and revise it thoroughly. Pay attention to the clarity of your arguments, the coherence of your ideas, and the overall flow of your writing. Edit for grammar, spelling, punctuation, and formatting errors. Seek feedback from peers, professors, or academic mentors to gain different perspectives and improve the quality of your work.

Writing a sustainable development research paper is an exciting and rewarding endeavor that allows you to explore pressing environmental issues and propose meaningful solutions. By implementing the tips and strategies outlined in this section, you can enhance the quality and impact of your research paper. Remember to choose a clear and focused research question, conduct thorough literature reviews, use reliable and up-to-date sources, organize your ideas effectively, and critically analyze your findings. Additionally, seek feedback from peers and experts to refine your work and ensure its credibility. With dedication, perseverance, and the right approach, you can create a research paper that not only showcases your understanding of sustainable development but also contributes to the broader discourse on creating a sustainable future for our planet.

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80 sustainability research topics for students to explore green campus issues

You’re planning your thesis, paper or capstone? You want to do a student research project with impact. We have outlined a range of sustainability research topics for you. The list specifically focuses on how to green your campus . Take action to make your university more sustainable!

Our list of sustainability research topics helps students investigate green campus issues.

Sustainability research topics: Education

Some sustainability research topics on education for sustainable development :

• What are the strengths and weaknesses of different definitions of sustainability education? Which definition could your university adopt?
• To what extent is sustainability education already implemented in the curriculum of your university?
• What are the strengths and limitations of advancing sustainability education within your curriculum?
• Where does your university stand with regards to sustainability education compared to other institutions of higher education?
• What is the demand among students for more, different or better sustainability education?
• How can existing sustainability projects on campus be used for educational purposes, e.g. visit solar cells on rooftops as part of engineering classes?

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• What definition of sustainability research should your university embrace?
• To what extent is sustainability research already practised at your university?
• What are the strengths and weaknesses of the institution’s sustainability research portfolio compared to other institutions of higher education?
• What are the drivers of and barriers to sustainability research at your university?
• How could sustainability research help students to study sustainability issues on campus and inform practical change projects?
• What are the opportunities and costs associated with promoting sustainability research? What could a plan of action look like to strategically advance it?

Some sustainability research topics on community engagement and awareness:

• What are the perceptions of and attitudes towards sustainability by students and staff?
• What are ways to promote sustainable lifestyles among students?
• To what extent are students and staff aware of the UN Sustainable Development Goals (SDGs) ?
• How aware are students and staff about the institution’s sustainability ambitions?
• What are the benefits and disadvantages of approaches to communicate the university’s sustainability efforts better?
• What are the challenges to involve students and staff in the university’s sustainability efforts?
• Which ways to increase the engagement of the campus community exist, for example by organising sustainability events ?

For inspiration, read our post on 10 projects to engage students on the SDGs .

Explore sustainability topics for research papers on different issues related to greening campus operations:

• What are the opportunities and costs of improving the building insulations to save energy?
• What lighting systems exist on the market that are more energy efficient?
• What would a business case look like to install a new lighting system?
• Where are the main consumers of energy on campus?
• What innovative energy technologies are developed at the institution itself? To what extent could those be directly installed and tested in buildings?
• What lux values are sufficient for work and study places so that places are appropriately lit without wasting too much electricity?
• What are the strengths and weaknesses of different sustainable building standards?
• Which building standards would be most appropriate to inform the institution’s sustainable building policy?
• What are the costs and benefits associated with different types of green roofs?
• On which buildings could green roofs be installed?
• To what extent are catering and food products certified as organic or fair trade food?
• How much and why do students attach importance to organic and fair trade products sold in the cafeteria?
• How can students and employees be made more aware of the multiple benefits – e.g. health, environment, economics – of sustainable (organic, fair trade, local) food ?
• How much are students willing to pay for more organic or fair trade products?
• What types and amounts of waste are produced by whom and where at the institution?
• How did waste streams develop over the last years?
• What are innovative practices in reducing waste going to landfill or incineration? How could those be applied?
• What are the costs and benefits associated with waste recycling ?
• What options exist to switch from paper-based to more digital forms of working and studying to reduce paper consumption?
• What are the environmental, economic, and social benefits and disadvantages of different options to advance more digital working and studying?

More sustainability research topics on campus operations:

Biodiversity

• What species live at different campus locations?
• To what extent do students, faculty and staff value this biodiversity?
• What are ways to enhance biodiversity on campus?

Greenhouse-gase (GHG)

• What are the pros and cons of different GHG accounting standards?
• Which standard should the institution use to develop a GHG emissions inventory ?
• Where are GHG emissions released at the institution?
• How big is the institution’s GHG footprint?

Procurement

• What does sustainable procurement mean in the context of a university?
• How is procurement currently organised? To what extent are sustainability criteria already applied in tenders?
• To what extent could the university implement sustainability criteria that go beyond the legal minimum to advance the environmental, economic and social benefits of tenders?
• What are the largest consumers of water?
• What is the direct and indirect water-footprint of the institution?
• What are opportunities and costs to reduce water usage?

Transportation and mobility

• How do students and staff currently travel to the university and as part of their study or work?
• What is the environmental impact of these travel behaviours? How could the impact be reduced?
• What best practices exist among companies and other institutions of higher education to reduce staff travel or incentivize different travel behaviours?

Behaviour change

• What is the potential to reduce resource consumption through behaviour change?
• What are the best practices of behaviour change interventions at institutions of higher education?
• To what extent could these projects be also applied at your university?

Sustainability research topics on governance, strategy and reporting

Sustainability research topics on governance issues:

• What does sustainability mean for institutions of higher education?
• How does a comprehensive concept of a sustainable institution of higher education look like?
• How could the university’s long-term sustainability vision look like? How could this vision be realized through a roadmap?
• What are innovative ways to develop sustainability strategies for a university through a bottom-up approach?
• What ethical imperatives would demand that institutions of higher education care for their impact on the planet, people and profit?
• What are the responsibilities of institutions of higher education to contribute to global challenges, such as poverty, gender inequality, and climate change?

Monitoring and reporting

• What data is important to monitor the institution’s environmental impact? How can this data be collected and analysed?
• What are the advantages and disadvantages of different sustainability reporting standards?
• Which sustainability reporting standards should the university adhere to?
• What are efficient ways to organize sustainability reporting within the organization?
• What is the best way to communicate results among students, staff and outside actors?
• What are the strengths and weaknesses of different methodologies (e.g. payback or Net Present Value) to calculate the financial costs and benefits of sustainability investments?
• Which methodology should the institution apply?
• To what extent could sustainability projects be financed through a revolving loan fund?
• What are the possibilities to involve outside organizations through energy contracting?
• What subsidies are available at the European, national and city level to develop a green campus?
• How could the university use these financing options to advance its energy transition?
• What are approaches to integrate negative externalities into the accounting schemes of the university?
• What would be the opportunities, benefits and risks associated with establishing an energy company that’s owned by the university?
• What are the best practices to finance energy efficiency and renewable energy projects at public institutions around the world?
• How can incentive schemes be changed so that energy end-users directly benefit from reductions in energy usage?

We hope this list inspired you to find a sustainability topic for research papers.

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Original research article, unveiling the research landscape of sustainable development goals and their inclusion in higher education institutions and research centers: major trends in 2000–2017.

• 1 Department of Industrial Management, Industrial Design and Mechanical Engineering, Faculty of Engineering and Sustainable Development, University of Gävle, Gävle, Sweden
• 2 Department of Biology, Centre for Environmental and Marine Studies (CESAM), Centre for Environmental and Marine Studies, University of Aveiro, Aveiro, Portugal
• 3 Polytechnic Institute of Leiria, Leiria, Portugal
• 4 Life Quality Research Centre, Polytechnic Institute of Santarém, Santarém, Portugal
• 5 Centre for Science and Technology Studies (CWTS), Leiden University, Leiden, Netherlands
• 6 Department of Science and Innovation-National Research Foundation of South Africa Centre of Excellence in Scientometrics and STI Policy (SciSTP), Stellenbosch University, Stellenbosch, South Africa

The Sustainable Development Goals (SDG) have become the international framework for sustainability policy. Its legacy is linked with the Millennium Development Goals (MDG), established in 2000. In this paper a scientometric analysis was conducted to: (1) Present a new methodological approach to identify the research output related to both SDGs and MDGs (M&SDGs) from 2000 to 2017, with the aim of mapping the global research related to M&SDGs; (2) Describe the thematic specialization based on keyword co-occurrence analysis and citation bursts; and (3) Classify the scientific output into individual SDGs (based on an ad-hoc glossary) and assess SDGs interconnections. Publications conceptually related to M&SDGs (defined by the set of M&SDG core publications and a scientometric expansion based on direct citations) were identified in the in-house CWTS Web of Science database. A total of 25,299 publications were analyzed, of which 21,653 (85.59%) were authored by Higher Education Institutions (HEIs) or academic research centers (RCs). The findings reveal the increasing participation of these organizations in this research (660 institutions in 2000–2005 to 1,744 institutions involved in 2012–2017). Some institutions present both a high production and specialization on M&SDG topics (e.g., London School of Hygiene & Tropical Medicine and World Health Organization); and others with a very high specialization although lower production levels (e.g., Stockholm Environment Institute). Regarding the specific topics of research, health (especially in developing countries), women , and socio-economic issues are the most salient. Moreover, it has been observed an important interlinkage in the research outputs of some SDGs (e.g., SDG11 “Sustainable Cities and Communities” and SDG3 “Good Health and Well-Being”). This study provides first evidence of such interconnections, and the results of this study could be useful for policymakers in order to promote a more evidenced-based setting for their research agendas on SDGs.

Introduction

Increasing awareness-building in sustainable development goals.

Sustainability goals have emerged as a global strategy to solve critical world problems, as a result of the global environmental concerns that started in the 1970s. The origin of the notion of sustainable development can be traced back to its most-recognized milestone in 1987; the definition of Sustainable Development in the Brundtland Report 1 . Afterwards, different summits and conferences were held in which sustainability and sustainable development were the core discussions (e.g., Earth Summit in Rio de Janeiro in 1992). During these early years, sustainable development was a guiding principle to bridge the North-South division ( Siegel and Bastos Lima, 2020 ). However, what was meant by development was replete with competing ideas about its essential aims, together with various theories about its achievement ( Fukuda-Parr and McNeill, 2019 ). In this context, development goals became an unprecedented effort to bridge those divides and find common ground “with a set of ideas as the consensus global norm concerning both the ends and the means of development” ( Fukuda-Parr, 2019 ). These development goals (MDGs and SDGs) are designed with the same principles: (1) Statement of a social political priority ( goal ); (2) Time-bound quantitative aspect to be achieved ( target ); and (3) Measurement tools to monitor progress ( indicator ) ( Fukuda-Parr and McNeill, 2019 ). The goals represent international agreements that create narratives and frame debates about the conceptualization of development challenges ( Fukuda-Parr, 2019 ). It can be argued that the influence of these goals on policy, governments, and other societal stakeholders is mainly driven by their compelling discourse.

The First Development Goals: Millennium Development Goals

In 2000 eight Millennium Development Goals (MDGs) were created at the Millennium Summit, with the ambition of their being achieved by 2015. These MDGs tackled topics such as extreme poverty and hunger, child mortality, and maternal health 2 . They represented an unprecedented effort to tackle the needs of the world's poorest countries. However, MDGs were criticized for: (1) Not being adequately aligned “with human rights standards and principles;” (2) Being formulated in a top-down process, only driven by international organizations and developing country governments; (3) Lacking accountability mechanisms; and (4) Omission of important priorities, i.e., inequality ( International Human Rights Instruments, 2008 ; Fukuda-Parr, 2016 , 2019 ). Another criticism of the MDGs was that they had unsuccessful effects in some important regions, such as Africa ( Easterly, 2009 ). Despite these criticisms, although indeed not all goals were achieved by 2015, some progress was acknowledged ( United Nations, 2015a ). For instance, “the number of people living in extreme poverty has declined by more than half since 1990 and the literacy rate among youth aged 15–24 has increased globally, from 83% in 1990 to 91% in 2015” ( Ki-Moon, 2015 ).

The Present: The Sustainable Development Goals

In 2012, the Conference Rio+20 adopted a 15-year plan called Agenda 2030 (2015–2030), targeting sustainable economic growth, social development, and environmental protection ( United Nations, 2015b ). As a result, Agenda 2030 established 17 Sustainable Development Goals (SDGs), with a deadline in 2030. This agenda was settled as a normative shift ( Fukuda-Parr and McNeill, 2019 ) and has even been institutionalized as a policy paradigm ( Siegel and Bastos Lima, 2020 ). The agenda has 169 targets and various indicators for monitoring their achievement. The topics of these goals cover five critical areas (the so-called 5 P's); People, Planet, Prosperity, Peace, and Partnership ( United Nations, 2015b ). While MDGs encompassed the notion of development as the North-South project to meet basic needs to end poverty, SDGs reconceptualised development as the “universal aspiration for human progress that is inclusive and sustainable” ( Fukuda-Parr and McNeill, 2019 ). Different from the MDGs, the SDGs pay an increased attention to the interlinkages among different sustainability dimensions and give great attention to inclusiveness ; clearly captured in their motto “No one left behind” ( Siegel and Bastos Lima, 2020 ). In practical terms, SDGs expand with respect to MDGs in: (1) Scope (e.g., there are new goals); (2) Reach (involving developed and developing countries); and (3) Engagement of a larger set of societal actors (e.g., citizen councils) in both their creation and implementation ( Fisher and Fukuda-Parr, 2019 ). However, no specific mechanisms to ensure their applicability across different countries have been settled. One of the main concerns is that SDGs rely on individual countries and the goodwill of their governments on how to pursue and implement each of the goals. In this regard, Siegel and Bastos Lima (2020) pointed out that actual SDG-driven transformations depend on the political context of each country, particularly on how these goals are interpreted and prioritized at the national level. These authors even remarked that despite the very concrete formulation of SDGs, their conceptualization (and we could add, their operationalization ) still leaves room for interpretation. Thus, the pursuing of some specific goals over others by some countries is known as “cherry-picking,” although quite often interpreted as conformity with the whole agenda ( Forestier and Kim, 2020 ). However, the aim of Agenda 2030 and its accomplishment is fundamentally based on the integrative and indivisible nature of the goals ( United Nations, 2015b ), therefore “cherry-picking” should not be an acceptable approach, bringing attention to the relevance of monitoring the engagement and consecution of all SDGs by all countries.

The Role of Monitoring the Achievement of SDGs

In contrast to MDGs, monitoring became a key issue for SDGs. Since the launch of SDGs, an SDG Index 3 has been developed, aiming to evaluate the achievement of each goal across all countries. The SDG index allows identifying priorities for action, support discussions, and debates to identify gaps in the development of the goals. A preliminary set of 330 indicators was introduced in March 2015 ( Hák et al., 2016 ), but only 232 indicators were adopted. This is different from MDGs, in which indicators were only decided on an internal basis 4 . The development of indicators to monitor the achievement of SDGs was based on two parallel processes: (1) Multi-stakeholder public consultation led by the UN General Assembly Open Working Group on SDGs (established in 2013); and (2) Intergovernmental negotiations. Moreover, the indicators developed “come from a mix of official and non-official data sources” (e.g., the World Bank, the Organization for Economic Cooperation and Development, among others), all subjected to an extensive and rigorous data validation process [ Sachs et al., 2018 , 2019 ]. However, it has been argued that the translation of goals into quantitative indicators can “distort” their meaning, since indicators can be reinterpreted or used to create perverse discourses or incentives ( Fukuda-Parr and McNeill, 2019 ).

Interlinkages Among SDGs

Another distinctive aspect of SDGs in contrast to MDGs is the role of the relationships and interlinkages among the different goals. Several studies already analyzed the interlinkages and interdependencies between pairs of SDGs, both across or within SDGs, particularly regarding the effects that achieving one goal may have on the ability to achieve others. Pradhan et al. (2017) analyzed the synergies (i.e., progress in one goal favors progress in another) and trade-offs (progress in one goal hinders progress in another) within and across SDGs. They found that SDG1 “No poverty,” or SDG3 “Good health and Well-being” have synergetic relationships with many goals, while SDG12 “Responsible consumption and production” is associated with trade-offs as it has negative correlations with 10 other goals based on the data pair analysis. Later, Lusseau and Mancini (2019) analyzed how key synergies and trade-offs between SDG goals and targets, based on the World Bank categories data, vary with respect to a country's gross national income (GNI) per capita. They highlighted that SDG10 “Reduce Inequalities,” SDG12 “Responsible Consumption and Production,” and SDG13 “Climate Action” are the most central ones, interacting negatively (according to the negative strength value calculated in their study) with many other SDGs (for example in high-income countries SDG12 and SDG13 are antagonistic, based on the Laplacian graph and the eigenvalue centrality value). These kinds of conflicting relationships between SDGs suggest a need for differentiated policy priorities between countries as they progress toward the 2030 Agenda. Kroll et al. (2019) also analyzed trade-offs and synergies between goals and future trends until 2030 based on the SDG index data. They found positive developments with notable synergies in some goals (i.e., SDGs 1, 3, 7, 8, 9), despite others presenting trade-offs (i.e., SDGs 11, 13). There are also other studies that analyzed these interlinkages from a qualitative perspective ( Singh et al., 2018 ; Fuso Nerini et al., 2019 ; Vinuesa et al., 2020 ). Particularly relevant for this study is that to date, there are no global studies on the interrelations among SDGs related to the research output of Higher Education Institutions to the best of our knowledge, a gap that this study intends to fill.

Development Goals and Their Relationship With Higher Education Institutions and Research Centers

As discussed above, MDGs and SDGs appeared as a result of the interest and commitment of governments of countries from all over the world toward sustainable development. As Caiado et al. (2018) stated, “The SDG agenda calls for a global partnership—at all levels—between all countries and stakeholders who need to work together to achieve the goals and targets, including a broad spectrum of actions such as multinational businesses, local governments, regional and international bodies, and civil societal organizations.” In this regard, Higher Education Institutions (HEIs) and Research Centers (RCs) should play an active and central role in promoting and participating in these new goals.

In the past, HEIs played a role in “transforming societies and serving the greater public good, so there is a societal need for universities to assume responsibility for contributing to sustainable development” ( Waas et al., 2010 ), and HEIs “should be leaders in the search for solutions and alternatives to current environmental problems and agents of change” ( Hesselbarth and Schaltegger, 2014 ). For Bizerril et al. (2018) , the knowledge of sustainability in HEIs should be encouraged worldwide and especially those located in regions with serious social and environmental challenges. In this sense, researchers must discuss how to cooperate and to share knowledge for a sustainable society, and HEIs could respond to sustainability through cooperation. According to Lozano et al. (2015) , HEIs (and in extension, RCs) could tackle sustainable development from the following initiatives: (1) Institutional frameworks (i.e., HEIs commitment with vision, missions, SD office…); (2) Campus operations related to the physical built environment (e.g., energy use and energy efficiency, waste, water and water management); (3) Education (e.g., courses on sustainable development); (4) Research (e.g., research centers, publications, research funding); (5) Outreach and collaboration (e.g., exchange programmes for students in the field of sustainable development); (6) Sustainable development through on-campus experiences; and (7) Assessment and reporting. Despite all these aspects, as Caeiro et al. (2013) study stated, only a few institutions follow a holistic implementation, in which sustainable development is applied in all traditional sustainability dimensions via its inclusion in social, economic, and environmental pillars.

The Role of Scientific Research in the Achievement of SDGs

Scientific research is one of the most relevant dimensions in the effective achievement of SDGs and Agenda 2030. According to Tatalović and Antony (2010) science did not factor strongly in the discussions on how to achieve MDGs goals. However, Leal Filho et al. (2017) see SDGs as an opportunity for scientific research to contribute to the achievement of the goals. For Leal Filho et al. (2018) , development goals are an opportunity to encourage sustainability research through interdisciplinary and transdisciplinary research. Several authors also support the important role of scientific research to achieve SDGs ( Wuelser and Pohl, 2016 ), namely as a way to solve concrete social problems, while sustainability science 5 could support the transition for sustainability. Yet, to our knowledge, no large-scale study has sought to investigate which SDGs are prioritized in the research by HEIs at a global level. The ambition of this study is precisely to fill this gap by providing a global mapping of research topics related to SDGs, identifying who the main contributing HEIs to this research are.

Scientometric Analyses of SDGs-Related Research Outputs From HEIs

Scientometrics is a research area focused on studying research activities (e.g., production, evolution, collaboration, impact, etc.) in order to understand the scientific dynamics across subject areas, institutions, or countries. Scientometric studies offer a powerful tool to generate global pictures of the research activities in a given area. There are different scientometric studies that previously analyzed sustainability, sustainable development or sustainability science based on a keyword search ( Nučič, 2012 ; Schoolman et al., 2012 ; Hassan et al., 2014 ; Kajikawa et al., 2014 ; Pulgarin et al., 2015 ; Ramírez Ríos et al., 2016 ; Olawumi and Chan, 2018 ). Some studies focused on analyzing the output of sustainability in higher education ( Bizerril et al., 2018 ; Veiga Ávila et al., 2018 ; Alejandro-Cruz et al., 2019 ; Hallinger and Chatpinyakoop, 2019 ). However, few studies have specifically analyzed scientific output on SDGs, probably due to the intrinsic difficulty in determining the contributions of science to SDGs ( Armitage et al., 2020 ).

Despite these difficulties, some studies have already tried to analyze the interrelations among SDGs ( Le Blanc, 2015 ; Griggs et al., 2017 ). Körfgen et al. (2018) analyzed the contribution of Austrian universities toward SDGs. Sweileh (2020) analyzed 18,696 publications from Scopus by searching the term “sustainable development goal.” Another study ( Nakamura et al., 2019 ), analyzed 2,800 publications (with an expansion to 10,300), developed topic maps from the publications identified. One of the authors of this paper had already carried out a preliminary scientometric study ( Bautista-Puig and Mauleón, 2019 ) by analyzing the core of scientific publications on MDGs and SDGs ( n = 4,532) in addition to the interrelations between different SDGs from a scientometric point of view. However, to the best of our knowledge, no previous study has approached a large-scale study of MDGs and SDGs relations from a scientometric point of view, considering the role of Higher Education Institutions and Research Centers in the production of research around MDGs and SDGs.

The development of these types of studies is paramount in order to assess and understand their potential limitations and robustness ( Rafols, 2020 ), particularly given the increasing number that are starting to use keyword-based scientometric queries, and machine learning approaches ( Pukelis et al., 2020 ) in order to map the contribution of research to the understanding of SDGs (e.g., Elsevier, OSDG tool, STRINGS Project, Dimensions, Aurora Project), and even their impact (e.g., Times Higher Education SDG Impact indicators). Thus, it is important that different methods and approaches are considered and discussed, particularly highlighting their advantages and limitations. This study aims at contributing also to this debate, as well as to provide scientometric evidence on the main research patterns around SDGs, that can help foster the debate on the role of universities to the SDGs goal.

The main purpose of this article is to produce a quantitative study of the scientific research on development goals during the period 2000–2017. Our ambition is 2-fold, on the one hand to propose a scientometric method based on citation relations that can be used to identify research conceptually related to MDGs and SDGs (henceforth M&SDGs), and on the other hand to identify and analyze the main institutions involved in the development of M&SDGs-related scientific outputs, as well as to characterize the main underlying topics related to M&SDGs research. The scientometric analysis was guided by three main research questions:

- RQ1: How can M&SDGs research can be scientometrically delineated and collected? This question focuses on applying an advanced citation-based approach to determine what M&SDG-related research is.

- RQ2. How has M&SDGs research carried out by HEIs has developed over time? This question seeks to characterize how the production of research outputs on M&SDGs has evolved over time, with a special focus on its main producers (institutions and countries). The unit of analysis of this study is on HEIs and RCs (hereafter HEIs). For the more specific definition of these terms used in this study, the reader is referred to Supplementary Material .

- RQ3: What are the specific M&SDGs research topics that have been studied by HEIs? This question identifies and characterizes the main research topics studied in the scientific literature produced by HEIs, with a special focus on the interrelations among the 17 SDGs based on the ad-hoc glossary developed by Bautista (2019) .

The rest of the article is organized as follows. The next section includes the methods section. This is followed by the results and discussions, providing answers to the research questions. Finally, the last section presents the main conclusions and suggestions for future research.

An important methodological difficulty with the definition of M&SDGs research is the discrepancy between what is research related to M&SDGs and what is research on M&SDGs . “ Research related to M&SDGs” comprises research that is related to concepts, issues or ideas related to the M&SDGs but without necessarily a direct linkage to the M&SDGs core (e.g., an institution doing research related to malaria prior to the official launch of the SDGs). “ Research on M&SDGs” comprises research directly focusing on the concepts, notions and principles of the M&SDGs (e.g., research directly mentioning “Sustainable Development Goal” or citing a paper that does it). In this work we partly incorporate both perspectives. Thus, we consider that a scientific publication is on the M&SDGs if it mentions either the concepts of MDG or SDGS (i.e., core research), or at a minimum cites, or is cited by, the core research. From a conceptual point of view it can be argued that our approach focuses on identifying research conceptually related to the “discourse of development goals,” and more specifically about how this topic has been constructed in the research by HEIs. With this citation-based approach we are providing a focused analysis on the scientific research that has a stronger cognitive 6 alignment with the M&SDGs philosophy and aims, thus avoiding the limitations of semantic approaches (e.g., based on keywords), in which different selections of keywords and terms are possible (and potentially questionable—see Rafols, 2020 ).

The following methodological steps were followed: (1) Formulation of a search strategy to identify the core M&SDGs literature; (2) Expansion of the dataset based on direct citations (cited and citing publications); (3) Data collection refining and information processing; and (4) Development of scientometric indicators.

(1) Formulation of a search strategy to identify the core M&SDGs literature

In the first step, we designed a search strategy composed by keywords that unambiguously relate to M&SDGs 7 . These keywords were searched in titles, abstracts, and keywords (author and paper keywords 8 ). The search strategy was run using the in-house CWTS WoS database (limited to publications from the years 2000–2017). A total of 4,685 publications were collected, and all publication types indexed in the Web of Science were considered. These are considered as the M&SDGs core set of publications.

(2) Expansion of the dataset based on direct citations (cited and citing publications)

Starting from the M&SDG core set of publications ( n = 4,685), the set of their direct citations (DC), considering both cited ( n = 59,180) and citing ( n = 74,859) publications were collected, 9 resulting in a final set of distinct publications referred to as M&SDGs Expansion ( n = 129,379).

(3) Data collection refining and affiliation information processing

In a following step, a total of 25,299 publications between 2000 and 2017 10 were selected, excluding 104,080 publications from years outside this period. These publications were further characterized, identifying those publications with at least one affiliation from HEIs ( Figure 1 ), thus conforming the final dataset of analysis, with 21,653 publications (85.59%). The harmonization of the affiliations was based in the in-house CWTS database ( Waltman et al., 2012 ).

Figure 1 . Methodological workflow for delineating M&SDGs on this study and creating the final dataset.

(4) Development of scientometric indicators & analytics

The following indicators were analyzed for the final dataset:

(i) Research patterns

- Yearly trend in scientific output in M&SDGs overall and by these institutions. A trend analysis of 6-year blocks is considered.

- Cumulative Average Growth Rate (CAGR) . The formula is the following:

Where X 1 and X n are the values found for the first and last periods studied. The expression is equivalent to the compound average growth rate (CAGR) often used in finance to measure mean growth across a time series.

- Output by institutions and countries : Absolute values and “ Activity Index ” (AI) of their M&SDGs research ( Supplementary Equation 1 ). The AI was proposed by Frame (1977) and it is used to analyze the degree of relative specialization of an actor (institution or country) in a research field. The indicator represents the percentage contribution of each country to the total WoS production, compared to the percentage of contribution in the analyzed topic. ArcGis software was used for creating the maps.

(ii) Subject specialization.

- Co-occurrence map 11 based on keywords using the VOSviewer tool 12 to identify thematic clusters within the scientific landscape. Regarding the clustering, VOSviewer applies its own algorithm based on modularity optimization ( Van Eck and Waltman, 2017 ). Table 1 summarizes the indicators analyzed.

Table 1 . List of indicators analyzed for the co-occurrence maps.

- Keywords “burst citation.” Burst is a concept associated with a change of a variable's value in a relatively short time. Those sudden increases in the usage frequency of keywords (i.e., burst strength) in order to determine the hotness of a topic were identified using Kleinberg's algorithm ( Kleinberg, 2003 ). This value is not normalized, but the ranking order and the duration of the burst are rather relevant for its interpretation.

- Scientific production classification into the SDGs . In order to study the semantic relations between the different SDGs (in terms of SDGs sharing similar keywords across publications), the individual publications were classified in accordance with the different SDGs. To classify the publications into individual SDGS, an ad-hoc ontology ( Bautista, 2019 ) with 4,122 terms has been applied. Publications were classified in different individual SDGs based on the linkage between the keywords in the publications and the ontology, allowing publications to be classified in more than one SDG when their keywords would point to different SDGs. A total of 20,749 (82.01%) publications were finally classified in at least one of the 17 SDGs. This includes keywords related to each SDG based on the United Nations-Description (e.g., “poverty” was classified into “SDG1-No poverty,” “sanitation” into “SDG6- clean water and sanitation”), 13 as well as a manual-supervision of the keywords located as the core and its consequent extension.

In this section the main results of the paper are presented in relationship to the main research questions formulated above.

Research Output and Main Actors

This section analyses the M&SDGs-related research output collected, as well as the main actors producing it and their specialization. Figure 2 presents the evolution of the scientific output of development goals produced. The scientific evolution shows a growing tendency, with an overall growth of 828.65% over the period and a CAGR of 14.01%. Since the launch of the SDGs in 2015, there has been a strong concentration of the M&SDGs research output, with more than 31.6% of the overall output published since the launch of the SDGs in 2015 (until 2017).

Figure 2 . Yearly output of the scientific production of organizations (2000–2017).

A total of 1,968 organizations were identified in the affiliations of these publications. The most productive institution was the London School of Hygiene and Tropical Medicine, with 1,963 publications (9.07%), followed by the World Health Organization (WHO), with 1,675 (7.74%), Johns Hopkins University with 1,324 (6.11%) and Harvard University with 1,079 (4.98%). However, when looking at the 6-year blocs as in Supplementary Table 1 , different tendencies are shown over time. In the first 6-year (2000–2005) sample, the number of publications was 2,330 produced by 660 organizations identified. The most productive organizations in this period were the WHO, with 292 publications (12.53%), followed by the London School of Hygiene and Tropical Medicine with 272 (11.67%) and the Johns Hopkins University with 157 (6.74%). In the second period (2006–2011), a total of 6,671 publications were produced by 1,244 organizations. During this period, the London School of Hygiene and Tropical Medicine led the ranking with 682 publications (10.22%), followed by the WHO with 580 (8.69%) and the Johns Hopkins University with 439 (6.58%). In the third period (2012–2017), a total of 12,652 publications, produced by 1,744 organizations, were identified. The same ranking of organizations as in the previous period is also found: The London School of Hygiene and Tropical Medicine leads with 1,009 publications (7.98%), followed by the WHO with 803 publications (6.35%) and the Johns Hopkins University with 728 (5.75%). Among the more productive HEIs there are only five institutions from developing countries: two form South Africa (the University of Cape Town and the University of the Witwatersrand), one from Uganda (Makerere University), one from Pakistan (Aga Khan University), and one from Brazil (the Federal University of Pelotas).

Figure 3 shows a scatter plot of the relation between the institutions with a higher scientific production on SDGs [P(M&SDGs)] and their AI around research on this topic [AI(M&SDG)]. The size of the bubbles indicates the number of publications in WoS of each institution (only institutions with more than 50 are included in the Figure). Overall, the most productive institutions present a lower AI (e.g., the Johns Hopkins University and Harvard University with P(M&SDG) = 1,324 publications and P(M&SDG) = 1,024, respectively, have an AI of 8.70 and 3.89, respectively). The WHO [P(M&SDG) = 1,675] and the London School of Hygiene and Tropical Medicine [P(M&SDG)= 1,963] present a high AI of more than 88% each. Among the institutions with the larges AI values we find other institutions such as the Stockholm Environment Institute (AI 190.47), Aga Khan University (AI 141.06), or the International Center for Diarrhoeal Disease Research, Bangladesh (AI 132.55) ( Figure 3 ).

Figure 3 . Scatter plot of the Top 20 organizations ranked by AI (with more than 50 docs.).

A map is drawn in order to show the geographical distribution of M&SDGs publications ( Figure 4 ). The most productive countries during the whole period were the United States (8,473 publications, 39.13%), followed by the United Kingdom (6,053 publications, 27.95%), Switzerland (2,232 publications, 10.31%), Australia (1,959 publications, 9.05%), and Canada (1,757 publications, 8.11%). By periods, in the first one (2000–2005) a total of 67 countries produced at least one publication on M&SDGs research increasing to 86 countries in the second period, and to 95 countries in the third period, with the same set of countries mentioned above as the most productive in each period ( Figure 4 ). From the point of view of the specialization (measured by the AI), African and Asian countries exhibit a stronger specialization in M&SDGs research compared to countries from other regions. Uganda is leading the specialization in the whole period (29 publications and AI of 24% in the first period: 107 and AI 32.60 in the second period and 265 publications and AI of 43.130 in the third period). Supplementary Table 2 provides information on 6-year blocs to see differences over time. Apart from Uganda, other African countries (Tanzania, South-Africa, Zimbabwe, Ghana, Rwanda, Mozambique, or Ethiopia) stand out in specialization. Besides, other countries from Asia (Bangladesh, Pakistan), or Europe (Switzerland) present a higher AI on the topic.

Figure 4 . Geographic distribution of scientific publications and AI (countries with >20 publications).

Keyword Co-occurrence Analysis

To reveal the main topics of the M&SDGs research, Figure 5 shows a keyword co-occurrence-based clustering. The parameters for creating the maps are detailed below: LingLog Modularity normalization method, 566 items; link of 65,446; link strength of 298,485; and repulsion, resolution and minimum cluster size with a value of 1 14 . Keywords (nodes) in VOSViewer maps are located in such a way that the distance between them is related to their co-occurrence frequency. Terms located closely in the map means that they tend to appear together in the titles and abstracts of the papers, and therefore it can be argued that they are thematically connected. The following five clusters were identified: Cluster #1, with terms related to the millennium development goals inheritance and policy framework; Cluster #2 with terms about maternal mortality and care; Cluster #3 with terms related to the health systems (“diagnosis,” “treatment”); Cluster #4 with terms about the African health ecosystem, and Cluster #5 including terms related to the developing countries' landscape (health, community, water, and so on). Table 2 summarizes the main information of each cluster (number of nodes, core papers, average year, average links, and the most frequent keywords). It can be observed that cluster 1 is the largest in terms of publications, followed by cluster 2. The number of links per paper (#link avg ) is higher in cluster #2 and cluster #3, both related to health issues, suggesting a stronger connection between these two clusters. In most clusters, the average year (#year avg ) is 2012, suggesting that an important share of the output has been developed in the most recent years of study, which is backed up by the growing M&SDGs output over time discussed above. The percentage of core publications (i.e., directly referring to M&SDGs) for each cluster is indicated in the column “% core papers,” showing that clusters #1 and #2 (with 45.40 and 37.55% of core publications, respectively), are clusters with a stronger conceptual proximity with the M&SDGs core ideas and aims, while the other clusters have a more indirect relationship with these core ideas.

Figure 5 . Co-occurrence map (frequency of, at least, 50 keywords) of scientific research.

Table 2 . Summary of five thematic clusters.

Keyword Burst Analysis

In this section, burst detection for keywords in M&SDGs publications is performed in order to show what terms have more rapidly increased attention in citations accumulation. We have identified at least 60 different bursting keywords during the period. Supplementary Table 3 lists the 60 keywords with the strongest citation bursts, along with their strength and time span. The term “middle income country” has the strongest citation burst with a burst strength of 75.13, followed by “tuberculosis” with 66.52 and “maternal health” with 64.98. Some keywords have only been “bursting” at the very beginning of the period (e.g., “low birth weight,” 2000–2003; “economic growth,” 2000–2001; and “rural Bangladesh,” 2000–2001). However, in more recent years, strongly bursting citation keywords include “new-born” (16.65, time span of 2015–2017), “middle income country” (75.13, 2014–2017), “maternal health” (64.98, 2014–2017), and “delivery” (36.38, 2014–2017).

Individual SDGs Analysis

Publication prevalence.

The following SDGs were most prevalently represented in the publications ( Supplementary Figure 1 ): SDG3 “Good Health and well-being,” with 15,963 papers (76.93%); followed by SDG16 “Peace, justice and strong institutions,” with 11,658 (56.19%); SDG11 “Sustainable cities and communities,” with 9,541 publications (45.98%); and SDG10: “Reduce inequalities,” with 6,115 publications (29.47%). On the other hand, the least represented SDGs are: SDG 12 “Responsible production and consumption,” 939 papers (4.51%); and SDG7 “Affordable and clean energy,” with 1,095 (5.26%).

Geographic Distribution

Figure 6 shows two different perspectives on the production of publications across continents related to their contribution to the research of each individual SDG. In Figure 6A , the contribution of each continent to each SDGs is presented (reading row-wise); while the table on the right depicts the share of each continent across the different individual SDGs (reading column-wise). Publications are assigned to each continent based on the affiliation of the first-author of the paper. The results of the left table show that all goals have higher production in Europe and North America. Considering all M&SDGs research, it can be observed that in Europe the largest percentage of output is in SDG13 “Climate action” (46.23%), followed by SDG12 “Responsible Production” (44.85%) and SDG15 “Life on Land” (44.28%). In America, the largest is SDG2 “Zero Hunger” (37.60%), followed by SDG5 “Gender Equality” (15.50%), and SDG3 “Good Health” (13.32%). In Africa, the highest production is in SDG5 “Gender Equality” (15.50%); SDG4 “Quality Education” (14.27%); and SDG11 “Sustainable cities” (13.73%). In Asia, the greatest output is in SDG17 “Partnership for the goals:” (13.97%); SDG4 “Quality Education:” (13.33%); and SDG5 “Gender Equality” (13.31%). Finally, in Oceania, the higher production of these institutions is in SDG13 “Climate Action” (8.47%); SDG12 “Responsible Production and consumption” (7.24%); and SDG15 “Life on Land” (6.81%). From a global perspective, if we consider the distribution of the publications on each goal by continent to determine their profile ( Figure 6B ), the approach of the different SDGs exhibit more similar patterns, although some SDGs—such as SDG3 “Good Health,” SDG16 “Peace, Justice,” and SDG10 “Reducing Inequalities”—stand out from the others.

Figure 6 . Contribution of each continent to each SDGs (A) and profile by continent (B) .

Cognitive Relationships

Although the interlinked nature of SDGs has been stressed, their interactions are “not explicit in the description of the goals” ( Griggs et al., 2017 ). For instance, SDG11 “Sustainable Cities,” contains targets related to economic dimensions (e.g., financial and technical assistance for developed countries, expenditure on the conservation of cultural and natural heritage), social dimensions (e.g., number of deaths per disaster and urban population living in slums), or environmental dimensions (e.g., reducing the adverse environmental impact of cities per capita, or the proportion of urban solid waste), and these three could be conceptually linked to other SDGs, for example SDG6 “Clean Water.” In our study, to reveal their cognitive relations (measured via citations), a co-citation map has been created. The proximity between SDGs indicates their similarity in terms of co-citation occurrence (i.e., publications from the two SDGs appear often cited together in the same set of publications). The size of the nodes reflects the frequency of SDGs in terms of overall publications, and the thickness of the edges denotes how often these SDGs are co-cited. Figure 7A shows the SDGs map of the M&SDGs research. The following clusters of SDGs are identified:

Figure 7 . Co-citation occurrence map of (A) M&SDGs research, and (B) average publication year.

Cluster 1 (red) is formed by SDGs with a strong industrial and energy orientation [SDG6 ‘Clean Water’, SDG7 ‘Clean Energy’, and SDG9 ‘Industry, Innovation’] and the environment (SDG15 ‘Life on Land’, and SDG14 ‘Life below Water’). Cluster 2 (blue) groups; SDG1 “No Poverty,” and SDG2 “Zero Hunger,” being two of the most important SDGs inheritance of MDGs. SDG1 is directly and indirectly related to all other SDGs, but dependent on SDG2 International Council for Science, 2015 ].

Cluster 3 (yellow) includes SDG10 “Reduced Inequalities,” and SDG17 “Partnership for the Goals,” linking the reduction of inequalities and partnership.

Cluster 4 (green) is composed by SDGs related with health, urbanization and peace: SDG3; “Good health;” SDG4 “Quality Education;” SDG 5 “Gender Equality;” SDG11 “Sustainable Cities;” and SDG16 “Peace, Justice.” For instance, SDG11 “Sustainable Cities” and SDG3 “Good Health” have a strong connection (link strength of 5,154).

Cluster 5 (purple) is composed only by SDG8 “Decent work.” However, this goal has links with SDG9 “Industry, Innovation” and SDG11 “Sustainable Cities,” or SDG3 “Good Health,” among others.

Figure 7B depicts the evolution of the SDG in each cluster from the average publication year (2011–2012). The more yellow indicates the more recent the publications. It can be observed how SDG3 “Good Health,” SDG8 “Decent Work,” SDG16 “Peace, Justice”, and SDG11 “Sustainable Cities” have had research output from earlier years, as compared to the other SDGs. From another perspective, SDGs with a stronger recentness in scientific output include SDG17 “Partnership for the Goals,” SDG10 “Reduced Inequalities,” SDG5 “Gender Equality,” and SDG4 “Quality Education,” indicate that awareness of areas related to education or gender are of a more recent nature.

The proposal of the different SDGs in 2005 together with Agenda 2030 has led to the creation of a path of collective national and international awareness toward sustainability. One of the main features of SDGs is their increasing relevance not only for policy makers, who are encouraging sustainability-oriented policies, but also for the scientific community as a whole ( Kajikawa et al., 2007 ; Sweileh, 2020 ). This study presents an empirical scientometric analysis of M&SDGs research, and the role of HEIs in its development. As stated in the literature review, few studies have focused on analyzing the research output of SDGs, and even fewer have focused on the role of the organizations developing such research. Thus, this paper contributes to the debate around the incorporation of the M&SDGs in the research agenda of HEIs by providing an overview of output in the area, and by proposing a practical methodology approach to delineate this area in bibliometric databases.

How Can M&SDGs-Research Be Scientometrically Delineated and Collected?

A well-delineated methodology is crucial to identify the research publications on a specific topic. In this study, we propose a citation-based methodology to track and monitor M&SDGs-related research. The application of our methodology retrieved a total of 25,299 publications, which identifies a much larger set of publications of M&SDGs at HEIs than in similar previous studies ( Bizerril et al., 2018 ; Veiga Ávila et al., 2018 ; Hallinger and Chatpinyakoop, 2019 ). The study by Nakamura et al. (2019) used a very similar methodology as the one presented here, however we identified a larger set of publications related to M&SDGs (4,685 in the core and 25,299 in total in the present study vs. the 2,800 in the core and 10,300 total in Nakamura study). The main reason for this difference is that in the present study the MDGs were also considered, as well as the fact that the CWTS WoS version has a more efficient citation matching algorithm than the one in WoS ( Olensky et al., 2016 ). The citation-based approach of this study, as well as in Nakamura et al. (2019) , offers some advantages in comparison with previous studies that applied keyword-based approaches ( Kajikawa et al., 2007 ; Elsevier Research Intelligence, 2015 ). For instance, it offers a systematic approach that can easily be reproduced and can be applied to any other database that records citation linkages among publications (e.g., Web of Science, Scopus, Microsoft Academic Graph, Dimensions, Crossref Open Citations, etc.), making possible the replication of this approach in future studies. Another important advantage of our approach is that it focuses on identifying publications that are cognitively related to M&SDGs, since the selected publications have cited/are citing relationships with the core literature on M&SDGs, thus avoiding the problem of delineating M&SDGs-related research using keywords. Keyword-based approaches would typically identify as SDGs-related research publications that only have a circumstantial relationships with SDGs, but that are not totally related to them (e.g., publications related to “economic growth,” but not in the philosophy underlying the M&SDGs—i.e., sustainable economic growth). Finally, the method developed here has the advantage that it captures the M&SDGs research output at the global level, thus providing an international perspective on the discussion around the study of the research activity on M&SDGs. However, in future studies other more local perspectives (e.g., the study of publications in local languages, local publishers) should be also explored.

How Has M&SDGs Research Carried Out by HEIs Developed Over Time?

The results presented in this study suggest that although one may presume that M&SDGs research would have a long tradition since the launch of the MDGs, there is an important concentration of publications in the most recent years, denoting a more recent interest in the SDGs (21.83% in 2000–2014, the MDGs period vs. 31.66% from 2015 to 2017 since the launch of the SDGs). However, we should take into consideration that by using WoS there is a strong bias toward English-language journals and might have distorted the results. In any case, this recency trend in the production of M&SDGs-related research is in line with the results obtained by Olawumi and Chan (2018) who observed that the scientific output on sustainable development, 2015–2016, represents 36.27% (vs. 21.42% on M&SDGs in the present study). There have also been previous publications discussing the growth of the scientific production related with sustainability. For example, Pulgarin et al. (2015) argued that the growth of research production in sustainability can be explained by “the impact of human activity on the environment” which “is leading to this area of research [sustainability] being studied from ever more different fields.” Olawumi and Chan (2018) consider that this increase could be also linked to “more efforts and resources” being devoted to this topic. For Nučič (2012) , the increasing growth of the scientific output could be associated with “sustainability science as a highly interdisciplinary research field.” This is in line with Schoolman et al. (2012) , who indicated that “sustainability research is more interdisciplinary than other scientific research” (based on the Shannon entropy measure), supporting the suggestion by Nakamura et al. (2019) that SDGs research is based on “transdisciplinary knowledge” between different fields, arguing that “most scientific disciplines are expected to contribute toward sustainability since in sustainability we have complex structures, including environmental, technological, societal, and economic facets” ( Kajikawa et al., 2014 ).

In previous studies on M&SDGs the role of these institutions has not been specifically analyzed (e.g., in Nakamura et al., 2019 ). Institutions like the London School of Hygiene, the WHO, and the Johns Hopkins University stand out among the most productive institutions. Their predominant role can be explained by their relatively large sizes; however, their AI confirms that these institutions are also highly specialized on this topic too. The London School of Hygiene belongs to the University of London and is specialized in public health and tropical medicine; while the WHO is a specialized agency of the United Nations focused on international public health. As well, London School of Hygiene have focused recently on health systems' strengthening (HSS) ( Seidman, 2017 ). The predominant role in output and specialization of the WHO, which is not a HEI or a RC but a supra-governmental organization that provides statistics for monitoring health-related aspects of the SDGs, 15 may be also seen as a sign of the strong social and political relevance of M&SDGs research.

Some other organizations that, although smaller in terms of output, have a high degree of specialization are the Stockholm Environment Institute (AI 191.47), the Aga Khan University (AI 141.06), or the International Center for Diarrhoeal Disease Research, Bangladesh (AI 132.55). This relative importance of small organizations goes in line with Nakamura's et al. (2019) results, who suggested that not always the largest institutions “set the agenda” in M&SDGs research, but that smaller ones also could be key players (e.g., Stockholm Environment Institute, and the University of London).

This study confirms the observation by Yarime et al. (2010) of an increasing number of countries engaged in research on sustainability. Our results also resonate with studies like that of Adomßent et al. (2014) , who also stated that the HEIs' sustainability research is mostly produced by authors from developed countries such as the USA, the United Kingdom, Australia, or Canada. However, in terms of relative specialization, our study shows that African and Asian countries exhibit a much stronger specialization. A special case is South Africa. This country is the sixth country in number of M&SDGs publications, and one of its universities (i.e., University of Cape Town) is the most prolific African institution in M&SDGs research. This strong relevance of SDGs research in South African can be reinforced by the fact that “South Africa” is a topic in the M&SDGs research map since the name of the country appears as a node in the term co-occurrence map. Although our scientometric evidence is not strong enough to conclude that the higher performance of this country in M&SDGs is the direct effect of policies aimed at encouraging research on M&SDGs, it must be highlighted that the country counts with South Africa's National Development Plan (NDP), which defines national development priorities and provides the foundations for South Africa in order to achieve the SDGs ( Cumming et al., 2017 ).

What Are the Specific M&SDGs Research Topics That Have Been Studied by HEIs?

The SDGs more frequently addressed by HEIs are SDG3 “Good Health” (76.93% of the publications), SDG16 “Peace, Justice” (56.19%), SDG11 “Sustainable Cities” (45.98%) and SDG10 “Reduced inequalities” (29.47%), which is in line with the higher percentage of overall HEIs involved on this research ( Supplementary Table 4 ). Our results contrast with the results obtained by Salvia et al. (2019) , who surveyed research experts in SDGs across continents, highlighting the following SDGs as having more activity: SDG 13 “Climate Action” (41%), SDG 11 “Sustainable Cities” (33%), and SDG 4 “Quality Education” (29%). This remarkable difference between a qualitative approach (i.e., surveys sent to experts in Salvia et al., 2019 ) and our quantitative approach, reinforces the importance of considering and combining different methodologies in the study of how science is contributing to the achievement of SDGs, and how academic stakeholders are approaching the different SDGs.

Regarding the interconnection of SDGs, according to Nilsson et al. (2016) , SDGs are more interconnected among themselves than its predecessors, the MDGs. This idea of SDGs interconnecting among themselves is supported by their consideration as “enablers for integration,” which means that the internal structures of the different SDGs is conceived to fit across more different SDGs ( Le Blanc, 2015 ), thus enabling their own integration and interconnection. This integrative and interconnected property of SDGs is observed in this study, since all goals have connections among them, being particularly remarkable the connections between the following three pairs, which presented a higher co-occurrence values: SDG16 “Peace, Justice” vs. SDG13 “Climate Action;” SDG3 “Good Health” vs. SDG11 “Sustainable Cities;” and SDG16 “Peace, Justice” vs. SDG11 “Sustainable Cities.” Moreover, the linkage between the pairs responds to complementary relationships. For instance, SDG3 “Good Health” and SDG11 “Sustainable Cities,” linking health with cities could be understood as housing, transport, and access to green spaces are major determinants of health and well-being ( International Council for Science, 2015 ).

As mentioned above, SDG3 “Good Health” is the most researched SDG identified in our study. This is not a surprise since this goal has a central role in the achievement of sustainable development ( Pettigrew et al., 2015 ), and Biomedical Research is one of the largest research areas covered in Web of Science ( Mongeon and Paul-Hus, 2016 ). In any case, our results are in agreement with ( Körfgen et al., 2018 ; Sweileh, 2020 ), and as pointed out by previous studies, SDG3 “Good Health” was found to have a higher share of synergies with other SDGs in most countries ( Pradhan et al., 2017 ). The MDGs, experience has shown that without improvements in health systems performance, progress on the goals was both limited and potentially unsustainable ( Seidman, 2017 ). This may explain why this specific health-related goal (SDG3) became more ambitious and central than in the MDGs ( Seidman, 2017 ; Asi and Williams, 2018 ). It is important to highlight that one the major efforts of SDG3 has been to reduce mortality across population groups (e.g., “the poor” or “women and children”) ( Buse and Hawkes, 2015 ), thus explaining the central role of “good health” in the map of topics presented in this study. However, from our data, there is no empirical evidence suggesting why health is the goal most researched.

Conclusions

Based on an advanced citation-based field delineation, this paper provides an extensive analysis of M&SDGs research over time and contributes to contextualize and understand its trajectory. The results of this study are relevant for planners and decision-makers in HEIs. First, this paper presents a new delineation procedure for M&SDGs-related research. The methodology is simple and reproducible, allowing its application in future studies for researchers, as well as its implementation in other citation databases (e.g., Scopus, Dimensions, Microsoft Academic Graph, etc.). Second, our work contributes to the expansion of the toolset of research instruments aimed at evaluating the development of research around M&SDGs. We provide a relevant proof of concept on how scientometric methodologies can support the monitoring of the research developed to support the achievement of M&SDGs. The approach proposed in this paper has relevance for all stakeholders engaged in the development of research activities related to M&SDGs (e.g., HEIs, RCs, governmental and supranational organizations, NGOs, and any stakeholder interested in SDGs). Developing reproducible methodologies (as done in this paper) and establishing a stable analytical monitoring framework is fundamental for a proper understanding of how science is contributing to the achievement of SDGs. However, it is important, not only to analyze the number of papers, but also the contribution itself of those papers with the goals, targets, and indicators.

From a scientometric point of view, this study provides a novel contribution to the scientometric analysis on SDGs research output, particularly since most scientometric studies have focused on developing semantic approaches, in which the use of keywords has been the most common approximation to the topic ( Pukelis et al., 2020 ; Rafols, 2020 ). We adopt a citation-based approach. This approach does not suffer from the ambiguity of semantic approaches (e.g., synonymy, homonymy), and more fundamentally, our approach does not hold the limitation that keyword-based approaches may capture research that is not necessarily aligned with the principles and philosophical foundations of M&SDGs. Grounded on the idea that citations represent concept symbols ( Small, 1978 ), in which scientific authors associate ideas by creating symbolic acts with their citations (see also Haustein et al., 2016 ), it can be argued that our approach captures the body of scientific literature most conceptually related with M&SDGs. To the best of our knowledge, only the Nakamura et al. (2019) study and this one have adopted such a citation-based approach, with this study being the most comprehensive to-date in the body of literature analyzed.

It is important however to remark that our citation-based approach still presents some limitations that must be observed when generalizing its findings. By considering only the Web of Science (WoS) database the study may have limitations due to the underrepresentation of other related published works, which may be indexed in other scientometric databases (e.g., Scopus, Google Scholar, Microsoft Academic…). Also, WoS does not cover all academic fields equally as it presents an underrepresentation of non-English speaking studies. The methodology proposed may not necessarily capture the whole picture of research related to M&SDGs. The sole use of direct citations related to a core set of publications may also be insufficient at times, since many publications genuinely linked to M&SDGs research may be more distanced in their citation relationship with the core set. In addition, despite all types of publications from WoS being included, some other typologies of interest (e.g., governmental reports) are not captured.

Considering the methodological limitations described above, future methodological improvements should take into account the possibility of characterizing not only the directly cited/citing publications of M&SDGs, but also other citation layers (e.g., 2nd, 3 rd , or more—also known as citation cascades — Min et al., 2020 ) in the expansion of the core set of publications. The use of citation cascades would allow the introduction of a more fluid approach (in which a much larger set of scientific publications may be considered regarding their citation proximity to the core set), in contrast with the binary approach (i.e., publication are M&SDGs-related or not) used in this study. Moreover, since this is the first study that has approached the scientific output from MDGs and SDGs together, we cannot assess whether other scientometric approaches or delineations would have delivered other results, therefore this is an aspect to be considered in future studies. Moreover, future studies on the topic might be complemented by means of qualitative research methods to uncover more specific motivations and drivers for research on SDGs in different contexts. The combination of scientometric indicators with other monitoring indicators (e.g., the SDG index) should also be considered. Such combination of methods will enable more advanced insights on the relationship between the research production of countries (as done in this study) and their success in their actual achievement of the specific SDGs, thus providing a more holistic perspective on how research can complement and support the consecution of Agenda 2030.

Data Availability Statement

The datasets presented in this study can be found in online repositories. The names of the repository/repositories and accession number(s) can be found at: https://doi.org/10.6084/m9.figshare.11106113.v1 .

Author Contributions

NB-P: conceptualization, data curation, software, visualization, formal analysis, and writing- original draft preparation. AA: investigation, and writing—review and editing. SL and UA: writing—review and editing. RC: conceptualization, investigation, methodology, resources, software, validation, supervision, and writing—review and editing. All authors: contributed to the article and approved the submitted version.

This work was partly supported by the Department of Science and Innovation and the National Research Foundation of South Africa.

Conflict of Interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Supplementary Material

The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/frsus.2021.620743/full#supplementary-material

1. ^ Sustainable development was defined as a “kind of development that meets the needs of the present without compromising the ability of future generations to meet their own needs” ( United Nations, 1987 ).

2. ^ Information on the MDGs available at the following link: https://www.who.int/topics/millennium_development_goals/about/en/ (accessed December 30, 2019).

3. ^ SDG Index available at: http://sdgindex.org/ (accessed December 30, 2019).

4. ^ There was no public consultation, as with the SDGs.

5. ^ Sustainability science is a new scientific field that investigates “complex and dynamic interactions between natural and human systems and aims “to bridge the gap between science and society and limit its knowledge to actions for sustainability” ( Disterheft et al., 2013 ).

6. ^ From a theoretical point of view, we build on the notion of citations as “concept symbols” ( Small, 1978 ) in which any publication cited by or citing M&SDGs core publications can considered to have a cognitive association with M&SDGs research.

7. ^ The search strategy was composed of the following parameters: TS = “Millennium Development Goal * ” OR TS = “Millennium Goal * ” OR TS = “Sustainable Development Goal * ”.

8. ^ Web of Science divides between author keywords (included in records of articles and determined by the authors) and keywords plus or “paper authors” (index terms automatically generated from the titles of cited articles).

9. ^ The approach used in this study (identification of a seed of papers, and expansion based on citation relationships) has been used in previous studies (see Reijnhoudt et al., 2014 ).

10. ^ The period corresponds with the launch of the MDGs in 2000.

11. ^ Co-citation is defined as the frequency with which two publications are cited together by other publications.

12. ^ VOSviewer is a software tool for constructing and visualizing bibliometric networks. These networks may include nodes of journals, researchers, or individual publications, and they can be constructed based on citation, bibliographic coupling, co-citation, or co-authorship relations. Additionally, it offers text mining functionality that can be used to construct and visualize co-occurrence networks of terms extracted from a research dataset ( https://www.vosviewer.com/ —accessed December 30, 2019).

13. ^ Information available at: https://www.un.org/sustainabledevelopment/sustainable-development-goals/ (accessed December 30, 2019).

14. ^ For more clarification of these values the author is referred to the VOSViewer Manual https://www.vosviewer.com/documentation/Manual_VOSviewer_1.6.8.pdf .

15. ^ Information available at: https://www.who.int/sdg/en/ .

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Keywords: sustainable development goals, millennium development goals, higher education institutions, sustainability science, bibliometrics, scientometrics

Citation: Bautista-Puig N, Aleixo AM, Leal S, Azeiteiro U and Costas R (2021) Unveiling the Research Landscape of Sustainable Development Goals and Their Inclusion in Higher Education Institutions and Research Centers: Major Trends in 2000–2017. Front. Sustain. 2:620743. doi: 10.3389/frsus.2021.620743

Received: 23 October 2020; Accepted: 01 March 2021; Published: 25 March 2021.

Reviewed by:

Copyright © 2021 Bautista-Puig, Aleixo, Leal, Azeiteiro and Costas. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) . The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

*Correspondence: Núria Bautista-Puig, nuria.bautista.puig@hig.se

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The trends of major issues connecting climate change and the sustainable development goals

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This study aims to explore the research trends and patterns of major issues connecting climate change and the Sustainable Development Goals (SDGs) by employing a bibliometric analysis. The study has found that there is an increasing number of research and policies in various countries committed to finding and implementing strategies to solve climate change issues. The countries with the most research in this field are China, India, the United States, the United Kingdom, and Australia, with Environmental Sciences & Ecology being the most published domain. The study has identified 19 clusters intersecting with climate change and SDGs, with the top five clusters in terms of proportion related to agricultural and food systems, water and soil resources, energy, economy, ecosystem, and sustainable management. This study also presents the trend changes of research topics intersecting climate change and SDGs every 2–3 years. Especially in the recent two years, with the convening of COP26 and COP27 and the advocacy of Net Zero and CBAM (Carbon Border Adjustment Mechanism) of the EU, important topics include renewable energy, protection of ecosystem services, life cycle assessment, food security, agriculture in Africa, sustainable management, synergies of various policies, remote sensing technology, and desertification among others. This shows an increasingly diversified range of important topics being discussed in relation to climate change and sustainable development goals.

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1 Introduction

1.1 background.

Climate change has emerged as a pressing global issue that poses significant challenges to human societies and the environment [ 1 , 2 , 3 ]. Climate change is primarily due to human activities, particularly the extensive combustion of fossil fuels such as coal, oil, and natural gas. These human activities generate a substantial amount of carbon dioxide and other greenhouse gases, leading to global warming.

Global warming, a persistent increase in Earth’s average temperature, is the most significant manifestation of climate change. This change in climate has led to numerous severe effects, including an increase in extreme weather events [ 2 ] (such as storms, floods, and droughts), the melting of glaciers and ice caps, a rise in sea levels, and changes to ecosystems [ 4 ] and agriculture [ 5 , 6 ]. If left these impacts unchecked, these impacts could have disastrous consequences for human societies and the natural environment.

In 1992, the United Nations Framework Convention on Climate Change (UNFCCC) was signed at the Earth Summit in Rio de Janeiro, Brazil. The goal was "to prevent dangerous human interference with the climate system," and it required countries to reduce greenhouse gas emissions in accordance with their responsibilities, abilities, and specific circumstances. The first substantive agreement of the UNFCCC, the Kyoto Protocol [ 7 ], was signed in 1997, requiring industrialized countries to reduce their greenhouse gas emissions to below 5% of 1990 levels between 2008 and 2012. In 2009, the UN hosted a climate change conference in Copenhagen in an attempt to reach a new global agreement; however, the meeting ended without a clear agreement and was considered a failure [ 8 ]. The Paris Agreement [ 9 ] was signed at the UN Climate Change Conference in 2015, with the goal of keeping global warming to well below 2 degrees Celsius above pre-industrial levels and to pursue efforts to limit the temperature increase to 1.5 degrees Celsius. To achieve this, countries agreed to submit nationally determined contributions (NDCs) to reduce emissions and to review these goals every five years. These agreements and meetings highlight the challenges of combating climate change, including in science, policy, economics, and justice. A key issue is how to ensure economic development and poverty reduction while reducing greenhouse gas emissions. These challenges and issues are intimately related to sustainable human development.

The Brundtland Report, “Our Common Future [ 10 ],” was released by the United Nations World Commission on Environment and Development in 1987. The report first introduced the concept of “sustainable development,” defined as “meeting the needs of the present without compromising the ability of future generations to meet their own needs.” The Rio Declaration [ 11 ] and Agenda 21 [ 12 ] were both signed at the Earth Summit in 1992. The Rio Declaration included 27 principles on sustainable development, while Agenda 21 was a global action plan aimed at achieving a balance between the environment and development. In 2000, the United Nations established eight development goals to be achieved by 2015, known as the United Nations Millennium Development Goals (MDGs), which included reducing extreme poverty and hunger, improving levels of education, health, and gender equality, and ensuring environmental sustainability. The United Nations General Assembly adopted the 2030 Agenda for Sustainable Development in 2015, which outlines 17 Sustainable Development Goals (SDGs) as a blueprint for achieving a more sustainable future for all [ 13 ].

Among them, SDG13 (Climate Action) is directly related to climate change, with the aim to "take urgent action to combat climate change and its impacts". SDG13 encourages all countries to respond to climate change, strengthen their resilience and adaptability to its impacts, and integrate climate change measures into national policies, strategies, and plans. The goal also emphasizes enhancing education, raising people's awareness of the threats posed by climate change, and increasing institutional capacities to handle climate change. It also refers to global participation and cooperation in addressing these issues. This includes development assistance to help developing countries enhance their capacities to deal with climate change.

The goal of sustainable development is to achieve balance in social, economic, and environmental dimensions, a principle also known as the “triple bottom line [ 14 ].” Under this framework, it is not only necessary to ensure economic growth and social justice but also to ensure the health and sustainability of the Earth's ecosystems and resources. Therefore, addressing climate change is an integral part of achieving sustainable development. On the other hand, accomplishing one or more sustainable development goals is also a way to address climate change issues.

1.2 Research frontier

Addressing the issue of climate change faces many challenges and obstacles, including political challenges, economic factors, technological challenges, social and cultural barriers, and issues of inequality. Firstly, policy makers need to strike a balance between short-term economic benefits and long-term environmental sustainability. Political disagreements and national interests can also hinder the achievement and implementation of global climate agreements [ 15 , 16 ]. Secondly, transitioning to a low-carbon economy requires a significant amount of funding and investment. Many economically backward countries may lack resources to implement necessary changes [ 17 ]. Thirdly, although renewable energy technologies have made significant progress, these technologies still can't completely replace fossil fuels in many cases [ 18 ]. Fourthly, human lifestyles and consumption patterns need to undergo major changes, which may face resistance in many societies and cultures [ 19 ]. Lastly, the impacts of climate change are not equal globally. Some of the poorest and most vulnerable countries and communities are often the most affected, yet they lack the resources and capacity to cope with these changes [ 20 ].

There are numerous studies related to climate change, and these studies encompass a wide range of issues. Issues related to climate change and sustainable development goals [ 21 ], for example, the water-energy-food (nexus), has been extensively studied in relation to climate change in the past [ 22 ]. In this issue, systematic analyses, comparisons, interpretations, and governance recommendations have been proposed, along with in-depth exploration of sustainable development goals and appropriate management models [ 23 , 24 , 25 ].

The connection between climate change and the SDGs is evident, as the impacts of climate change have the potential to undermine the progress made towards achieving these goals [ 166 , 167 ]. For instance, climate change has direct implications for SDGs [ 26 , 27 , 28 , 29 , 30 , 31 , 32 ] related to poverty reduction(SDG1: NO Poverty), food security(SDG2: No Hunger) [ 33 , 34 , 35 , 36 , 37 , 38 , 39 ],energy(SDG7: Affordable and clean energy) [ 40 , 41 , 42 , 43 ], clean water and sanitation(SDG6: Clean water and sanitation), and sustainable cities [ 44 , 45 , 46 ] and communities(SDG11 Sustainable cities and communities). People must take urgent action to combat climate change and its impacts, including enhancing the resilience and adaptive capacity of nations to climate-related disasters, and integrating climate change measures into national policies and planning(SDG13: Climate action). Therefore, understanding the trends and patterns of research on the interlinkages between climate change and the SDGs is crucial for policymakers, researchers, and practitioners to identify gaps and prioritize efforts in addressing these challenges [ 47 , 48 , 49 ].

However, many topics still require systematic research to formulate sustainable management strategies. For instance, key decisions from the COP26 held in 2021 included the formulation of long-term low-carbon development strategies, strengthening actions to reduce non-CO2 greenhouse gases (such as methane), and enhancing the intensity of nationally determined contributions (NDC) targets for 2030 [ 50 , 51 , 52 , 53 ]. Comprehensive assessments are needed on how countries can gradually reduce coal burning and phase out fossil fuel subsidies, as well as establish rules for the international carbon market [ 54 ].

In order to follow these resolutions, the majority of countries around the world are currently formulating net-zero emission management strategies. Net-zero emissions mean that the greenhouse gas emissions produced by an organization, city, region, or country are balanced by the amount they offset, thereby contributing zero to global warming [ 55 ].

When systematically formulating net-zero management strategies, there are several important topics that need to be considered, such as energy transition (requiring investment and policy promotion to replace fossil fuels with renewable energy) [ 56 , 57 ], green infrastructure (constructing low-carbon, green infrastructure, such as green buildings and public transportation systems) [ 58 ], green finance (encouraging and guiding financial institutions to invest in low-carbon technologies and industries, and incorporating climate risks into their risk management frameworks) [ 59 ], carbon pricing (establishing and implementing carbon pricing systems, such as carbon taxes or carbon trading markets, to reflect their true environmental costs), and international cooperation (climate change is a global issue that requires cooperation among countries to share resources and technology).

It involves multiple Sustainable Development Goals (SDGs). These strategies need to take into account trade-offs or synergistic effects, including the balance between economy and environment (energy transition may lead to job loss in certain industries, but it may also create new job opportunities. Appropriate policies are needed to mitigate the impact of this transition) [ 60 , 61 , 62 ], fairness (wealthier countries have more resources to reduce emissions, while poorer countries may rely more on fossil fuels. To resolve this inequality, international aid or other mechanisms may be needed) [ 63 , 64 ], cross-sector collaboration (many solutions will require cooperative work between different sectors or industries, such as energy, transportation, construction, finance, etc.) [ 65 , 66 ], technological innovation and application (from improving energy efficiency to developing clean energy, and designing and implementing carbon capture and storage (CCS) technologies, technological innovation plays a key role in achieving net-zero. Of course, this also requires resource input and a suitable policy environment to incentivize and support) [ 67 , 68 , 69 ], behavioral and cultural change (to successfully achieve net-zero, it may be necessary to change public behavior and values, from dietary habits to travel methods, and attitudes towards energy use. This may involve education, policy guidance, and public participation) [ 70 , 71 ], and ecological restoration and protection (forests, oceans, and other natural ecosystems are important carbon sinks of the planet. Protecting and restoring these ecosystems can provide important offset strategies, while also helping to protect biodiversity and enhance ecological resilience) [ 72 ].

Strategies to address climate change include mitigation and adaptation. The aforementioned net zero is a mitigation strategy, while the formulation of adaptation strategies to manage and respond to climate change also requires systematic consideration. This includes disaster prevention and post-disaster recovery, water resource management, adjustments to farming and livestock practices, urban planning and design, protection and restoration of ecosystems, and policy and legislation among other topics. Additionally, research suggests that enhancing the ability to manage extreme weather events can reduce economic, social, and human losses, and ultimately decrease borrowing from lending institutions. The vulnerability to extreme weather events, disaster management, and adaptation must become part of the long-term sustainable development planning for developing countries [ 73 , 74 , 75 , 76 ].

In this process, there indeed exist many challenges, echoing the previously mentioned obstacles faced in tackling the issue of climate change. These include technical, policy-related, economic, social, and cultural aspects. Therefore, people must take a systemic and holistic approach, implementing solutions to climate change from the framework of sustainable development.

Currently, there are over ten thousand academic papers discussing the relevance of climate change or one or more Sustainable Development Goals (SDGs). There are numerous ways to summarize, integrate, or categorize these research perspectives. Common methods include convening expert meetings [ 77 , 168 ] or using literature mining software [ 73 , 74 , 78 , 169 , 170 ] such as VOSviewer, Microsoft Excel, and Biblioshiny, to conduct structured reviews of the interrelationships between Climate Change (CC) and SDGs.

The discussions at the expert meeting revealed the synergies and trade-offs between climate change and Sustainable Development Goals (SDGs), as well as the impact of climate change (CC) on the achievement of the SDGs [ 77 ]. Using literature software, the bibliometrix package, and R library, it was found that precipitation, drought, and evapotranspiration are the main climate terms most focused on under the topic of climate change [ 79 ]. Moreover, an analysis using Microsoft Excel on published journal articles found that gender equality, climate action, and global health are the key words most focused on in studies related to the Sustainable Development Goals. Some researchers also presented the evolution of themes over the years, and the co-occurrence maps of key words in the context of climate change and sustainable development practice, and found that there have been many research studies in these areas, but there is still a need for more in-depth study [ 80 ].

However, as highlighted in the background, after the 2015 Paris Agreement and the United Nations' Sustainable Development Goals were proposed, researchers worldwide are called upon to perform comprehensive and systematic analyses, categorizations, and discussions of the results presented by these literature analysis tools. These efforts aim to aid researchers and policymakers in addressing climate change and its related problems, as well as formulating suitable strategies for these issues, all from a perspective of sustainable development. These areas continue to require further in-depth research, and bibliometric analysis can serve as one effective method in this regard.

1.3 Research questions

The research question of this study is to examine the trends of major issues connecting climate change and the SDGs, as reflected in the literature [ 81 , 82 ]. In particular, the study aims to identify the most prominent Clusters and sub-Clusters related to this intersection and to understand the evolution of research in this area over time. This examination will help uncover potential gaps in knowledge, as well as highlight areas in need of further investigation or policy intervention.

Additionally, when systematically analyzing the issues and sub-issues of climate change within the framework of sustainable development, we still do not have a clear understanding of how many important issues related to climate change have emerged since the United Nations announced the Sustainable Development Goals in 2015, as well as the proportion of these issues in the research or which fields is leading in these areas [ 75 , 77 , 83 ]. The policy-making and research processes have not had sufficient literature to help understand the varying degrees of correlation between these issues to aid policy-makers or researchers in making appropriate strategies. Moreover, one indicator of the current situation in various countries is the development status of how researchers or research institutions in these countries view climate change within the framework of the Sustainable Development Goals, but there is limited academic research on the issues connecting climate change and the sustainable development goals [ 84 ].

This study poses four questions:

Q1: What are the main research topics at the intersection of climate change and sustainable development goals?

Q2: How have the research trends at the intersection of climate change and sustainable development goals developed?

Q3: What are the main research countries at the intersection of climate change and sustainable development goals?

Q4: What are the main research fields at the intersection of climate change and sustainable development goals?

1.4 Methodological approach

This study employs a bibliometric analysis to systematically review and analyze the body of literature on the connection between climate change and the SDGs. Bibliometric analysis is a quantitative method that employs statistical techniques to analyze and classify large volumes of academic publications. This method has the advantage of providing a comprehensive and objective overview of the research landscape [ 85 ], as compared to traditional literature reviews and other classification methods, which may be subject to biases and limited in scope [ 80 , 86 , 87 ].

1.5 Significance of the study

The findings of this study will provide valuable insights into the trends and patterns of research on the interlinkages between climate change and the SDGs, helping to inform future research agendas and policy interventions. By identifying the most prominent Clusters and potential knowledge gaps in this area, this study can contribute to a better understanding of how climate change and the SDGs are interconnected, thereby supporting the development of more effective strategies to address these pressing global challenges.

1.6 Potential applications

The results of this study can be applied in various ways. For instance, the findings can be used by researchers to identify research gaps and opportunities, guiding the direction of future studies. Policymakers and practitioners can also use the insights gained from this study to prioritize efforts and allocate resources more effectively in addressing the challenges posed by climate change and achieving the SDGs. Furthermore, the study can contribute to the development of interdisciplinary research, as understanding the complex interconnections between climate change and the SDGs requires the integration of knowledge from multiple fields and disciplines.

In conclusion, this study aims to explore the research trends and patterns of major issues connecting climate change and the SDGs using a bibliometric analysis. The findings will provide valuable insights for researchers, policymakers, and practitioners.

2 Methodology

2.1 literature mining tools.

This study analyzes and categorizes literature using the two tools. The first one is called Content Analysis Toolkit for Academic Research (CATAR), the other one is called VOSviewer.

2.1.1 The benefits of using CATAR for literature analysis

CATAR is designed to help researchers analyze scholarly literature with academic value. CATAR is particularly effective in multidimensional scaling (MDS) and hierarchical agglomerative clustering (HAC) [ 88 ], which can be used as one of the presentation directions for research outcomes. MDS is a technique that presents n documents on a map according to their similarity [ 89 ], where documents with high similarity cluster in close proximity to each other, while those with low similarity are located further apart. HAC is a type of document clustering [ 90 ] that does not require users to specify the number of categories and can iteratively group the most similar documents or categories into larger groups, gradually organizing all documents from the bottom up. In particular, the complete linkage method can group files that are highly similar to each other into the same group. Therefore, if two files cite common bibliography, they will generate a coupling relationship, and the more bibliography they share, the higher the correlation will be, and the more likely they will be classified into the same category.

The topic map of this study was generated by CATAR using multidimensional scaling (MDS) technique to calculate the relative relationships between categories in a two-dimensional space and draw the topic map accordingly. In the map, circles represent a group of documents classified into the same cluster, with the size of the circle indicating the number of documents in the group, and the distance between circles representing the strength of the relationship between the groups. The closer the circles, the higher the relevance between the topics. The color of the circle represents the classification result in the next higher level, and if the circle is composed of dashed lines, it indicates that it cannot be clustered in the next level [ 91 ].

2.1.2 The benefits of using VOSviewer for literature analysis

The second tool used in this study is VOSviewer, which is a visualization tool characterized by its technical robustness and relatively simple usage. It allows for a detailed examination of bibliometric maps. In the network visualization maps produced by VOSviewer, each label is represented by a colored node, with node size determined by the frequency of use of the item. The higher the usage frequency of an item, the larger its label. In addition, the thickness of the nodes and connecting lines indicates the co-occurrence frequency of the labels. Nodes with the same color have stronger connections [ 74 , 84 , 85 , 92 ].

As keyword co-occurrence network analysis is one of the most effective methods, a large number of studies have used VOSviewer for topics such as climate change or sustainable energy [ 91 , 93 , 94 ], helping researchers quantify trends in research Clusters and future research directions. This study use keyword co-occurrence network analysis in Vosviewer.

2.2 Explanation of data background

2.2.1 the selection of the database.

The data source for this study is the Web of Science (WoS) academic database by Thomson Routers. Analysis of citation data in WoS has shown greater consistency and accuracy than other databases such as Scopus and Google Scholar, [ 95 ] thus this study only analyzed journals included in WoS.

2.2.2 Boolean operators

The background setting for downloading data from WoS was as follows: TS = (climate change) AND AB = ("sustainable development goal" OR "sustainable development goals" OR SDG OR SDGs). These documents are focused on the Cluster of climate change, and the mention of SDGs in the abstract refers to the United Nations' Sustainable Development Goals. The SDGs aim to address major global issues, including poverty, hunger, inequality, and climate change. Therefore, if a document related to climate change also involves SDGs, it may explore how to link climate change with sustainable development goals to achieve a more sustainable future. Such research may investigate the impact of climate change on sustainable development goals or how to address issues related to climate change by achieving sustainable development goals.

2.2.3 The status of literature download

In order to understand the research trends up to December 31, 2022, a total of 2533 articles were downloaded for analysis. On the other hand, when downloading data from the WOS database, it was found that the closer it was to 2022, the more literature discussed CC and SDGs. In order to understand the research trends every 2–3 years and appropriately distribute the number of articles for analysis, research from 2015 to 2017, 2018 to 2022, and 2021 to 2022 was also downloaded. A total of 177 articles were from the first three years, 955 articles were from the middle three years, and 1401 articles were from the last two years.

3 Results and discussion

The research results are presented using the analysis results of two tools, CATAR and VOSviewer. The two research tools are distinguished by date. The data analyzed by the CATAR tool dates from 2015 to 2022, and this tool carries out a comprehensive analysis of the literature. The data analyzed by the VOSviewer tool is divided into three parts: 2015–2017 (the first three years), 2018–2020 (the middle three years), and 2021–2022 (the most recent two years), to understand the development trends of the research field. In addition, CATAR also specifically presents the main research fields and research countries of the literature as academic references.

3.1 Results and dicussion of bibliographic coupling analysis by using CATAR (2015–2022)

Using CATAR for bibliographic coupling analysis and multiple hierarchical agglomerative clustering, 19 clusters (A-1 to A-19) were obtained at the fourth level, with 1220 documents participating in clustering. The characteristic vocabulary of each cluster is shown in Table  1 (with a default threshold of 0.01), and the degree of association is shown in Fig.  1 , (with a threshold set to 0.02). Furthermore, the top five clusters in terms of proportion are related to agricultural and food systems, water and soil resources, energy, economy, ecosystem, and sustainable management, with a proportion of 53% of the documents in this level. The first cluster has the highest proportion of 34%.

Maps of the clusters (2015–2022)

In Fig.  1 , clusters 10, 11, 15, and 17 are in green, clusters 4 and 14 are in blue, and clusters 12, and 16 are in yellow. These colors indicate that they can continue to form clusters in the next level and suggest that these topics are worth exploring as they are related to each other. Dashed circles represent clusters that cannot be agglomerated in the next level.

Referring to Table  1 for the keywords condensed in each cluster, appropriate names for the clusters are assigned. The results are shown in Table  2 .

Through the research results of Fig.  1 , since the circles represent the knowledge content contained in the cluster, considering factors such as circle color, circle size, and the intersection and union of circles, a systematic discussion is conducted below.

3.1.1 The relationship about A-10, A-11, A15 and A17 (color green)

In the green circle, A-10, A-11, A-15, and A-17 are four significant topics. The critical issues intersecting these four topics, this study discovered, include "Adaptation and mitigation strategies", "Integration of knowledge and collaboration", and "Urban and community context".

The four Clusters collectively highlight the importance of both adaptation and mitigation strategies in response to climate change. Cluster 10 emphasizes the need to understand and address the health impacts of climate change as an adaptation measure [ 88 , 89 , 96 ]. Cluster 11 focuses on building resilience in coastal areas, which is another form of adaptation [ 97 ]. Cluster 15 covers various aspects of climate change adaptation strategies, including public health, particularly sanitation issues, large urban environments, and the application of green and blue infrastructure. It emphasizes the importance of considering these issues from both local and global perspectives [ 98 , 99 , 100 , 101 , 102 ]. Cluster 17 centers on mitigation strategies such as achieving carbon neutrality through renewable energy sources [ 95 , 97 , 103 , 104 , 105 ].

Clusters 11 and 17 highlight the importance of integrating knowledge from various sources and fostering collaboration between different stakeholders. Cluster 11 emphasizes the role of knowledge integration in sustainability governance, while Cluster 17 involves surveys and research on carbon balance and renewable energy, which require collaboration among experts from various fields.

Cluster 10, 11 and 17 explore the impacts of climate change and sustainable development within urban or community settings. Cluster 10 investigates the relationship between climate change and health in the context of planetary health. Cluster 15 addresses the role of green and blue infrastructure in promoting sustainable development within mega-urban areas. Cluster 17 focuses on achieving carbon neutrality in cities or countries, which has direct implications for urban and community sustainability.

3.1.2 The relationship between “ocean conservation and coral reef biodiversity” (A-12) and “corporate cultural sustainability” (A-16) (color yellow)

The relationship between "Ocean Conservation and Coral Reef Biodiversity" and "Corporate Cultural Sustainability" is closely connected to climate change and ongoing sustainable development [ 106 , 107 , 108 ]. Many companies recognize the importance of environmental sustainability, particularly in the context of climate change and sustainable development. They incorporate this into their business strategies, which includes supporting ocean conservation and preserving coral reef biodiversity through environmentally-friendly practices, philanthropy, or partnerships with non-profit organizations. Examples of this include adopting sustainable practices and reducing greenhouse gas emissions, promoting innovation in products, services, and technologies that contribute to ocean conservation and coral reef biodiversity protection, and collaborating with various stakeholders, including customers, employees, investors, and local communities, to address the challenges of climate change and support ocean conservation and coral reef biodiversity preservation [ 109 , 110 , 111 ].

3.1.3 The relationship between “ecosystems and land degradation” (A-4) and “urban infrastructure and governance” (A-14) (color blue)

First, Climate change poses threats to ecosystems and land, including extreme weather events and unstable rainfall patterns. Ecosystems play a crucial role in land conservation, water resource management, and biodiversity protection. Disrupting ecosystems increases the risk of land degradation, adversely affecting agriculture and ecological environments. Protecting and restoring ecosystems are key to achieving sustainable development goals [ 171 , 172 ].

Second, rapid urbanization necessitates large-scale infrastructure development. The expansion and management of urban infrastructure are directly linked to land use. Poor urban planning and management can lead to improper land use, overdevelopment, and environmental deterioration. Effective urban governance should emphasize the sustainability of land use, including land planning and environmental regulation. Sustainable urban infrastructure and governance help reduce the risk of land degradation while achieving sustainable development goals [ 173 , 174 , 175 , 176 ].

Therefore, the relationship between ecosystems and land degradation and urban infrastructure and governance should be viewed comprehensively. The expansion and management of urban infrastructure should fully consider ecosystem protection and land degradation prevention. For instance, urban planning may include the preservation of green spaces and natural conservation areas to promote ecosystem health. Moreover, urban governance should emphasize the involvement of multiple stakeholders to ensure that land use and infrastructure development align with the principles of sustainable development. This necessitates interdisciplinary research and policy formulation to ensure effective management of land resources during the urbanization process while safeguarding ecosystems to address climate change and achieve sustainable development goals.

3.2 Ranking of countries by the number of published papers, citation count, and publication year

The overview analysis through CATAR is used to present the top eight countries in terms of the number of published papers. Considering that each piece of literature might be co-authored by multiple individuals, the analysis results are presented using Fractional Count (FC). FC means that all the co-authors are counted as a single author. For instance, a paper co-authored by two individuals is counted as one, and the contribution of each author to the paper count is 0.5 and 0.5, respectively.

The results of the FC statistics are shown in Figs.  2 and 3 . We can observe that within the defined scope, the number of papers has significantly increased since 2015. The top eight countries in terms of the number of published papers, from most to least, are the United States, the United Kingdom, China, Australia, India, Germany, the Netherlands, and South Africa. If we only look at 2022, the top eight countries from most to least are China, India, the United States, the United Kingdom, Australia, Spain, Germany, and Canada.

Statistical analysis of the top eight countries in terms of the number of papers published, and their publication years, using Fractional Count

Statistical analysis of the top eight countries in terms of the number of papers published in 2022, using Fractional Count

3.2.1 The number of articles interpreting climate change issues from the perspective of sustainable development goals

By observing the results presented in Fig.  2 , two pieces of information can be identified. The first piece of information is that, whether the data time is from 2015 to 2022 or only looking at 2022, China, India, the United States, the United Kingdom, and Australia are all in the top five. The reasons for this include several factors:

The first factor is economic influence. These countries are significant pillars of the global economy, and their policies and investment decisions have massive impacts on the global economy. For instance, China is the world's largest manufacturer and largest emitter of carbon dioxide, while the United States, as the world's largest economy, holds significant sway in driving global climate action.

The second factor is population size. India and China are the two most populous countries globally, and their decisions will have monumental impacts on global climate change. In countries with large populations, the need for sustainable development is particularly pressing [ 112 , 113 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 121 ].

The third factor is influence in science and technology. The United States, the United Kingdom, and Australia hold leadership positions in the field of science and technology, including research and development in climate science and environmental technologies. Their innovations and solutions can have significant impacts on the global climate change issue [ 115 , 116 , 117 ].

The fourth factor is policy and international leadership. These countries play critical roles in global policy and international affairs [ 122 , 123 , 124 , 125 ]. For instance, the United Kingdom was the host of the 2021 United Nations Climate Change Conference (COP26), and the United States also plays a leading role in driving the global climate agenda.

3.2.2 The increase and decrease of the number of papers published by each country

The second piece of information is that regardless of the country, the number of publications generally shows a growing trend from 2015 to 2021. The sharp increase in relevant literature published by China and India in 2022 indicates that addressing the challenges brought about by climate change and achieving sustainable development goals are issues of concern to these countries [ 126 , 127 , 128 ].

3.3 Number of publications on the relationship between CC and SDGs by field

As shown in Fig.  4 , the top eight fields and years in terms of the number of publications can be seen. We can observe that since 2015, there has been a significant increase in literature discussing the relationship between CC and SDGs. The field of Environmental Sciences & Ecology has consistently had the most publicated documents every year, followed by the field of Science & Technology—Other Topics.

Number of publications on the relationship between CC and SDGs by field

3.4 Tracking the research development trends on climate change issues from the framework of sustainable development goals every 2–3 years

The literature mining tool, Vosviewer, was used to perform co-occurrence word analysis on authors. Due to the small number of articles from 2015 to 2017, the clustering result is shown in Fig.  5 . The clustering results for 2018–2020 and 2021–2022 are shown in Figs.  6 and 7 respectively. The larger the clustered keyword, the more frequently it is mentioned by authors. Keywords of the same color indicate a higher degree of association, and are likely to discuss important topics.

Keyword relationship diagram for climate change and sustainable development goals from 2015 to 2017

Keyword relationship diagram for climate change and sustainable development goals from 2018 to 2020

Keyword relationship diagram for climate change and sustainable development goals from 2021 to 2022

3.4.1 Keywords and topics related to climate change and the implementation of sustainable development goals during 2015–2017

During 2015–2017, it is found that research keywords regarding climate change and the implementation of sustainable development goals mainly include "Ecosystem," "Climate change adaptation," "Disaster risk," "Reduction," "Public health," "Renewable energy," "Resilience," and "Water security." The topic discussed during this period is mainly "The impact of climate change on public health and its adaptation strategies." This topic covers the mutual influences of various aspects including environmental ecology, climate change, and public health, emphasizing on how to reduce disaster risks and improve public health levels through the protection and management of ecosystems to adapt to the challenges brought about by climate change. On the other hand, the development of renewable energy, sustainable agriculture, and the establishment of water security strategies also contribute to coping with climate change [ 129 , 130 , 131 , 132 ].

3.4.2 Keywords and topics related to climate change and the implementation of sustainable development goals during 2018–2020

During 2018–2020, the research trend in discussing climate change and the implementation of sustainable development goals partially continued from the previous period, and the number of keywords increased. On the other hand, from a broader framework, the research trend shifted towards cross-disciplinary approaches to tackle and adapt to climate change issues and explored how to achieve this goal by protecting the environment and promoting sustainable development [ 133 ]. The most widely addressed topics represented by keywords of different colors include the following top four: "Efficient use and management of food supply to water resources", "Sustainable ecosystem management and land use under climate change", "Adaptation strategies and sustainable development strategies for agriculture under climate change", and "Development of renewable energy" [ 134 , 135 , 136 , 137 , 138 , 139 ].

3.4.3 Keywords and topics related to climate change and the implementation of sustainable development goals during 2021–2022

By 2021–2022, the research trend showed that some keywords regarding climate change and the implementation of sustainable development goals continued from the previous stage, and the number of keywords also increased. During this time period, 'renewable energy' (marked in red) has become the most emphasized keyword against the backdrop of hot advocacy topics such as 'Net Zero' and 'CBAM' (carbon border adjustment mechanism). It particularly emphasizes how, in the process of pursuing economic growth, we can reduce carbon dioxide emissions and achieve sustainable development by improving energy efficiency and using renewable energy [ 140 ].This also echoes the resolutions of COP26 and COP27, which call for an increased proportion of clean energy, including renewable and low-carbon energy sources, acceleration in the research and development, deployment, and dissemination of low-carbon technologies, and emphasis on the importance of natural carbon sinks [ 133 , 141 , 142 , 143 , 144 , 145 ].

Other important keywords are resilience (in orange), ecosystem services; life cycle assessment (in blue), Africa; agriculture (in dark green), policy; adaptation; education (in purple), and Agenda 2030; Paris Agreement; synergy; bibliometric analysis; remote sensing; desertification (in light green).

These keywords are all related to the clusters of climate change and sustainable development, encompassing topics such as the protection of ecosystem services [ 140 , 146 , 147 , 148 ], life cycle assessment, agriculture in Africa, policy; adaptation, education [ 149 , 150 , 151 , 152 , 153 , 154 ], the global sustainable development goals (Agenda 2030), the Paris Agreement, the synergistic effects of various policies [ 155 , 156 , 157 , 158 ], bibliometric analysis, remote sensing technology [ 159 , 160 , 161 ], and desertification [ 162 , 163 , 164 , 165 ].

4 Conclusion

This study, through bibliometric analysis tools CATAR and VOSviewer, presents multiple research findings. First, both tools indicate an increasing number of links between climate change and sustainable development goals in research across countries. There is a growing body of research and policy dedicated to finding and implementing strategies to solve climate change issues. These strategies are often linked to sustainable development goals, highlighting the intersection between climate action and sustainable development.

Secondly, through CATAR, this study identified 19 clusters intersecting with climate change and SDGs (as shown in Table  2 ), among which the top five clusters in terms of proportion are related to agricultural and food systems, water and soil resources, energy, economy, ecosystem, and sustainable management, accounting for 53% of the documents. On the other hand, Fig.  1 also shows that some clusters are highly related (same color). Combined with Table  2 for further explanation, the key topics in the green block include adaptation and mitigation strategies, integration of knowledge and collaboration, and the urban and community context. The important topics in the yellow block are corporate sustainable development and biodiversity investment (especially focusing on the ocean). The important topics in the blue block include urban planning, sustainable governance, due to land degradation and the increased frequency of extreme weather events (such as droughts and floods) damaging ecosystems.

Thirdly, whether the data period is from 2015 to 2022 or just in 2022, China, India, the United States, the United Kingdom, and Australia are the countries with the most research on the link between climate change and sustainable development goals. This is due to their economic influence, population size, influence in science and technology, and policy and international leadership. Specifically, in 2022, the number of publications in China and India grew at the fastest rate, while the growth trend in the UK and the US was slightly slower. Furthermore, Environmental Sciences & Ecology is the field with the most publications.

Fourthly, by observing Figs. 5 , 6 , and 7 , we can see the continuation and transformation of key topics in literature discussing the link between climate change and sustainable development goals. In the early period (2015–2017), the focus was on 'the impact of climate change on public health and its adaptation strategies'. By the mid-term (2018–2020), topics expanded to include 'efficient use and management of food supply to water resources', 'sustainable ecosystem management and sustainable land use under climate change', 'agricultural adaptation strategies and sustainable development strategies under climate change', and 'development of renewable energy'.

In the later period (2021–2022), under the context of popular initiatives like net zero and CBAM (Carbon Border Adjustment Mechanism), there was increased emphasis on renewable energy, as well as protection of ecosystem services, life cycle assessment, food security, agriculture in Africa, sustainable management, synergies of various policies, remote sensing technology, and desertification among others. This shows an increasingly diversified range of important topics being discussed in relation to climate change and sustainable development goals.

The interconnections among the identified Clusters highlight the complex and interrelated nature of climate change and the 17 SDGs. Understanding these interconnections can help researchers, policymakers, and practitioners develop integrated and interdisciplinary approaches to address climate change and achieve the SDGs. For example, policies promoting agroforestry and sustainable agriculture can contribute to climate change mitigation, food security, and biodiversity conservation, thereby advancing multiple SDGs simultaneously.

Lastly, it is worth mentioning that the clusters that have not been part of the coalescence (as shown in the dashed circles in Fig.  1 ) do not imply that these topics are unimportant. On the contrary, these topics could potentially become the focus of emerging research in the future, serving as a reference for future researchers to conduct in-depth studies.

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The literature data used in this study were sourced from the Web of Science database.

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Hsieh, YL., Yeh, SC. The trends of major issues connecting climate change and the sustainable development goals. Discov Sustain 5 , 31 (2024). https://doi.org/10.1007/s43621-024-00183-9

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Impact of the Sustainable Development Goals on the academic research agenda. A scientometric analysis

Roles Conceptualization, Investigation, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation Research Institute on Policies for Social Transformation, Universidad Loyola Andalucía, Córdoba, Spain

Roles Conceptualization, Investigation, Methodology, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation Public Policy Observatory, Universidad Autónoma de Chile, Santiago, Chile

* E-mail: [email protected]

Affiliation Department of Finance and Accounting, Universidad Loyola Andalucía, Córdoba, Spain

Roles Conceptualization, Investigation, Supervision, Writing – original draft, Writing – review & editing

Affiliation Social Matters Research Group, Universidad Loyola Andalucía, Córdoba, Spain

• Antonio Sianes, 
• Alejandro Vega-Muñoz, 
• Pilar Tirado-Valencia, 
• Antonio Ariza-Montes

• Published: March 17, 2022
• https://doi.org/10.1371/journal.pone.0265409
• Peer Review
• Reader Comments

Today, global challenges such as poverty, inequality, and sustainability are at the core of the academic debate. This centrality has only increased since the transition from the Millennium Development Goals (MDGs) to the Sustainable Development Goals (SDGs), whose scope is to shift the world on to a path of resilience focused on promoting sustainable development. The main purpose of this paper is to develop a critical yet comprehensive scientometric analysis of the global academic production on the SDGs, from its approval in 2015 to 2020, conducted using Web of Science (WoS) database. Despite it being a relatively short period of time, scholars have published more than five thousand research papers in the matter, mainly in the fields of green and sustainable sciences. The attained results show how prolific authors and schools of knowledge are emerging, as key topics such as climate change, health and the burden diseases, or the global governance of these issues. However, deeper analyses also show how research gaps exist, persist and, in some cases, are widening. Greater understanding of this body of research is needed, to further strengthen evidence-based policies able to support the implementation of the 2030 Agenda and the achievement of the SDGs.

Citation: Sianes A, Vega-Muñoz A, Tirado-Valencia P, Ariza-Montes A (2022) Impact of the Sustainable Development Goals on the academic research agenda. A scientometric analysis. PLoS ONE 17(3): e0265409. https://doi.org/10.1371/journal.pone.0265409

Editor: Stefano Ghinoi, University of Greenwich, UNITED KINGDOM

Received: September 10, 2021; Accepted: March 1, 2022; Published: March 17, 2022

Copyright: © 2022 Sianes et al. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Data Availability: All relevant data are within the manuscript and its Supporting Information files.

Funding: The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Competing interests: The authors have declared that no competing interests exist.

1. Introduction

1.1. from the millennium agenda to the 2030 agenda and the sustainable development goals (sdgs).

To track the origins of the 2030 Agenda for Sustainable Development, we must recall the Millennium Agenda, which was the first global plan focused on fighting poverty and its more extreme consequences [ 1 ]. Approved in 2000, its guiding principle was that northern countries should contribute to the development of southern states via Official Development Assistance (ODA) flows. The commitment was to reach 0.7% of donors’ gross domestic product [ 2 ] to reduce poverty by half by 2015. The relative failure to reach this goal and the consolidation of a discourse of segregation between northern and southern countries [ 3 ] opened the door to strong criticism of the Millennium Agenda. Therefore, as 2015 approached, there were widespread calls for a profound reformulation of the system [ 4 ].

The world in 2015 was very different from that in the early 2000s. Globalization had reached every corner of the world, generating development convergence between countries but increasing inequalities within countries [ 5 , 6 ]. Increasing interest in the environmental crisis and other global challenges, such as the relocation of work and migration flows, consolidated a new approach to development and the need of a more encompassed agenda [ 7 ]. This new agenda was conceived after an integrating process that involved representatives from governments, cooperation agencies, nongovernmental organisations, global business, and academia. The willingness of the 2030 Agenda to ‘leave no one behind’ relies on this unprecedented global commitment by the international community [ 8 ].

As a result of this process, in 2015, the United Nations General Assembly formally adopted the document “Transforming our World: the 2030 Agenda for Sustainable Development” [ 9 ], later known as the 2030 Agenda. This new global agenda is an all-comprising strategy that seeks to inform and orient public policies and private interventions in an extensive range of fields, from climate change to smart cities and from labour markets to birth mortality, among many others.

The declared scope of the Agenda is to shift the world on to a path of resilience focused on promoting sustainable development. To do so, the 2030 Agenda operates under the guidance of five principles, formally known as the ‘5 Ps’: people, planet, prosperity, peace, and partnerships [ 10 ]. With these pivotal concepts in mind, the Agenda has established a total of 17 Sustainable Development Goals (SDGs) and 169 specific targets to be pursued in a 15-year period, which reflects the scale and profound ambition of this new Agenda.

The SDGs do not only address what rich countries should do for the poor but rather what all countries should do together for the global well-being of this and future generations [ 4 ]. Thus, the SDGs cover a much broader range of issues than their predecessors, the Millennium Development Goals [ 11 ], and are intended to be universal on the guidance towards a new paradigm of sustainable development that the international community has been demanding since the 1992 Earth Summit [ 7 , 12 , 13 ].

Despite this potential, some criticise their vagueness, weakness, and unambitious character. Fukuda-Parr [ 14 ], see weaknesses on the simplicity of the SDGs, which can lead to a very narrow conception that reduces the integral concept of development. The issue of measurement is also problematic; for some researchers, the quantification of objectives not only reduces their complexity, but leads to them being carried out without considering the interdependencies between the objectives [ 12 , 13 ]. Other authors have identified difficulties associated with specifying some of the less visible, intangible aspects of their qualitative nature such as inclusive development and green growth [ 14 , 15 ]. Finally, Stafford-Smith et al. [ 16 ] state that their successful implementation also requires paying greater attention to the links across sectors, across societal actors and between and among low-, medium-, and high-income countries.

Despite these criticisms, the SDGs have undoubtedly become the framework for what the Brundtland report defined as our common future. Unlike conventional development agendas that focus on a restricted set of dimensions, the SDGs provide a holistic and multidimensional view of development [ 17 ]. In this line, Le Blanc [ 12 ] concludes that the SDGs constitute a system with a global perspective; because they consider the synergies and trade-offs between the different issues involved in sustainable development, and favour comprehensive thinking and policies.

1.2. Towards a categorization of the SDGs

There is an underlying lack of unanimity in the interpretation of the SDGs, which has given rise to alternative approaches that allow categorizing the issues involved in their achievement without losing sight of the integral vision of sustainable development [ 15 , 18 – 23 ]. However, such categorization of the SDGs makes it possible to approach them in a more holistic and integrated way, focusing on the issues that underlie sustainable development and on trying to elucidate their connections.

Among the many systematization proposals, and following the contributions of Hajer et al. [ 19 ], four connected perspectives can strengthen the universal relevance of the SDGs: a) ‘planetary boundaries’ that emphasize the urgency of addressing environmental concerns and calling on governments to take responsibility for global public goods; b) ‘The safe and just operating space’ to highlight the interconnectedness of social and environmental issues and their consequences for the redistribution of wealth and human well-being; c) ‘The energetic society’ that avoids the plundering of energy resources; and d) ‘green competition’ to stimulate innovation and new business practices that limit the consumption of resources.

Planetary boundaries demand international policies that coordinate efforts to avoid overexploitation of the planet [ 24 ]. Issues such as land degradation, deforestation, biodiversity loss and natural resource overexploitation exacerbate poverty and deepen inequalities [ 21 , 25 – 27 ]. These problems are further compounded by the increasing impacts of climate change with clear ramifications for natural systems and societies around the globe [ 21 , 28 ].

A safe and just operating space implies social inclusivity that ensures equity principles for sharing opportunities for development [ 15 , 29 ]. Furthermore, it requires providing equitable access to effective and high-quality preventive and curative care that reduces global health inequalities [ 30 , 31 ] and promotes human well-being. Studies such as that of Kruk et al. [ 32 ] analyse the reforms needed in health systems to reduce mortality and the systemic changes necessary for high-quality care.

An energetic society demands global, regional and local production and consumption patterns as demands for energy and natural resources continue to increase, providing challenges and opportunities for poverty reduction, economic development, sustainability and social cohesion [ 21 ].

Finally, green competition establishes limits to the consumption of resources, engaging both consumers and companies [ 22 ] and redefining the relationship between firms and their suppliers in the supply chain [ 33 ]. These limits must also be introduced into life in cities, fostering a new urban agenda [ 34 , 35 ]. Poor access to opportunities and services offered by urban centres (a function of distance, transport infrastructure and spatial distribution) is a major barrier to improved livelihoods and overall development [ 36 ].

The diversification of development issues has opened the door to a wide range of new realities that must be studied under the guiding principles of the SDGs, which involve scholars from all disciplines. As Saric et al. [ 37 ] claimed, a shift in academic research is needed to contribute to the achievement of the 2030 Agenda. The identification of critical pathways to success based on sound research is needed to inform a whole new set of policies and interventions aimed at rendering the SDGs both possible and feasible [ 38 ].

1.3. The relevance and impact of the SDGs on academic research

In the barely five years since their approval, the SDGs have proven the ability to mobilize the scientific community and offer an opportunity for researchers to bring interdisciplinary knowledge to facilitate the successful implementation of the 2030 Agenda [ 21 ]. The holistic vision of development considered in the SDGs has impacted very diverse fields of knowledge, such as land degradation processes [ 25 , 26 ], health [ 39 ], energy [ 40 ] and tourism [ 41 ], as well as a priori further disciplines such as earth observation [ 42 ] and neurosurgery [ 43 ]. However, more importantly, the inevitable interdependencies, conflicts and linkages between the different SDGs have also emerged in the analyses, highlighting ideas such as the need for systemic thinking that considers the spatial and temporal connectivity of the SDGs, which calls for multidisciplinary knowledge. According to Le Blanc [ 12 ], the identification of the systemic links between the objectives can be a valuable undertaking for the scientific community in the coming years and sustainable development.

Following this line, several scientific studies have tried to model the relationships between the SDGs in an attempt to clarify the synergies between the objectives, demonstrating their holistic nature [ 12 , 17 , 20 , 44 , 45 ]. This knowledge of interdependencies can bring out difficulties and risks, or conversely the drivers, in the implementation of the SDGs, which will facilitate their achievement [ 22 ]. In addition, it will allow proposing more transformative strategies to implement the SDG agenda, since it favours an overall vision that is opposed to the false illusion that global problems can be approached in isolation [ 19 ].

The lack of prioritisation of the SDGs has been one of the issues raised regarding their weakness, which should also be addressed by academics. For example, Gupta and Vegelin [ 15 ] analyse the dangers of inclusive development prioritising economic issues, relegating social or ecological inclusivity to the background, or the relational aspects of inclusivity that guarantee the existence of laws, policies and global rules that favour equal opportunities. Holden et al. [ 46 ] suggest that this prioritisation should be established according to three moral criteria: the satisfaction of human needs, social equity and respect for environmental limits. These principles must be based on ethical values that, according to Burford et al. [ 47 ], constitute the missing pillar of sustainability. In this way, the ethical imperatives of the SDGs and the values implicit in the discourses on sustainable development open up new possibilities for transdisciplinary research in the social sciences [ 46 , 47 ].

Research on SDG indicators has also been relevant in the academic world, as they offer an opportunity to replace conventional progress metrics such as gross domestic product (GDP) with other metrics more consistent with the current paradigm of development and social welfare that takes into account such aspects as gender equality, urban resilience and governance [ 20 , 48 ].

The study of the role of certain development agents, including companies, universities or supranational organisations, also opens up new areas of investigation for researchers. Some studies have shown the enthusiastic acceptance of the SDGs by companies [ 22 , 49 ]. For Bebbington and Unerman [ 50 ], the study of the role of organisations in achieving the SDGs should be centred around three issues: challenging definitions of entity boundaries to understand their full impacts, introducing new conceptual frameworks for analysis of the context within which organisations operate and re-examining the conceptual basis of justice, responsibility and accountability. On the other hand, the academic community has recognized that knowledge and education are two basic pillars for the transition towards sustainable development, so it may also be relevant to study the responsibility of higher education in achieving the SDGs [ 47 , 50 ]. Institutional sustainability and governance processes are issues that should be addressed in greater depth through research [ 47 ].

Finally, some authors have highlighted the role of information technologies (ICT) in achieving the SDGs [ 23 ] and their role in addressing inequality or vulnerability to processes such as financial exclusion [ 51 ], which opens up new avenues for research.

Despite this huge impact of the SDGs on academic research, to the best of our knowledge, an overall analysis of such an impact to understand its profoundness and capillarity is missing in the literature. To date, reviews have focused on the implementation of specific SDGs [ 52 – 61 ], on specific topics and collectives [ 62 – 70 ], on traditional fields of knowledge, now reconsidered in light of the SDGs [ 71 – 73 ] and on contributions from specific regions or countries [ 74 , 75 ]. By relying on scientometric techniques and data mining analyses, this paper collects and analyses the more than 5,000 papers published on the SDGs to pursue this challenging goal and fill this knowledge gap.

This article aims to provide a critical review of the scientific research on SDGs, a concept that has emerged based on multiple streams of thinking and has begun to be consolidated as of 2015. As such, global references on this topic are identified and highlighted to manage pre-existing knowledge to understand relationships among researchers and with SDG dimensions to enhance the presently dispersed understanding of this subject and its areas of further development. A scientometric meta-analysis of publications on SDGs is conducted to achieve this objective. Mainstream journals from the Web of Science (WoS) are used to identify current topics, the most involved journals, the most prolific authors, and the thematic areas around which the current academic SDG debate revolves.

Once Section 1 has revised on the related literature to accomplish the main objective, Section 2 presents the research methodology. Section 3 presents the main results obtained, and Section 4 critically discusses these results. The conclusion and the main limitations of the study are presented in Section 5.

2. Materials and methods

In methodological terms, this research applies scientometrics as a meta-analytical means to study the evolution of documented scientific knowledge on the Sustainable Development Goals [ 76 – 81 ], taking as a secondary source of information academic contributions (i.e. articles, reviews, editorials, etc.) indexed in the Web of Science (WoS). To ensure that only peer-reviewed contributions authored by individual researchers are retrieved and that such publications have a worldwide prestige assessment, all of them should be published on journals indexed in the Journal Citation Report (JCR), either as part of the Sciences Citation Index Expanded or the Social Sciences Citation Index [ 82 – 84 ].

Following the recommendations of previous studies [ 85 ], it was decided to apply the next search vector from 2015 to 2020 to achieve the research objectives TS = (Sustainable NEAR/0 Development NEAR/0 Goals), which allows the extraction of data with 67 fields for each article registered in WoS.

As the first step, to give meaning to subsequent analyses, we tested the presence of exponential growth in the production of documented knowledge that allows a continuous renewal of knowledge [ 76 , 86 ].

As a second action, given the recent nature of the subject studied, it is of interest to map the playing field [ 87 ] using VOSviewer software version 1.6.16 [ 88 ], to know which topics are most addressed in the matter of SDGs. This analysis seeks an approach, both through the concentration of Keyword Plus® [ 89 ] and by analysing the references used as input in the production of knowledge, which can be treated as cocitations, coupling-citations and cross-citations [ 90 ], using the h-index, in citation terms, as discriminant criteria in the selection of articles [ 91 – 93 ]. This methodology will allow us to establish production, impact and relationship metrics [ 80 , 85 , 87 , 94 , 95 ].

Finally, it is of interest to explore the possible concentrations that may arise. Using Lotka’s Law, we estimated the possible prolific authors and their areas of work in SDGs, and using Bradford’s Law, we conducted a search of a possible adjustment to a geometric series of the concentration zones of journals and therefore a potential nucleus where a profuse discussion on SDGs is taking place [ 96 – 100 ].

3.1. Configuration of the academic production on SDGs

The results present a total of 5,281 articles for a period of six years (2015–2020) in 1,135 journals, with over 60% of these documents published in the last two years. The total of articles is distributed among authors affiliated with 7,418 organisations from 181 countries/regions, giving thematic coverage to 183 categories of the Journal Citation Report-Web of Science (JCR-WoS). Table 1 shows the distribution among the top ten JCR-WoS categories, highlighting the prevalence of journals indexed in green and environmental sciences and, thus, in the Science Index-Expanded.

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https://doi.org/10.1371/journal.pone.0265409.t001

3.2. Existence of research critical mass

Fig 1 shows the regression model for the period 2015–2020, the last year with complete records consolidated in the Web of Science. The results obtained show significant growth in the number of studies on SDGs, with an R 2 adjustment greater than 96%. The exponential nature of the model shows that a ‘critical mass’ is consolidating around the research on this topic, as proposed by the Law of Exponential Growth of Science over Time [ 76 ], which in some way gives meaning to this research and to obtaining derived results.

https://doi.org/10.1371/journal.pone.0265409.g001

3.3. Establishment of concentrations

In accordance with Lotka’s Law, 22,336 authors were identified of the 5,281 articles under study. From this author set, 136 (≈sqrt (22,336)) are considered prolific authors with a contribution to nine or more works. However, a second restriction, even more demanding, is to identify those prolific authors who are also prolific in contemporary terms. Although SDG studies are recent, the growth production rates are extremely high. As previously shown, for the period 2015–2020, 64% of the publications are concentrated between 2019–2020. Based on this second restriction, for 3,400 articles of the 5,281 articles published in 2019 and 2020, and a total of 15,120 authors, only eight prolific authors manage to sustain a publication number that equals or exceeds nine articles. These authors are listed and characterized in Table 2 .

https://doi.org/10.1371/journal.pone.0265409.t002

The analysis shown in Table 2 highlights the University of Washington’s participation in health issues with Murray and Hay (coauthors of eight articles in the period 2019–2020), who are also important in the area of health for the prolific authors Yaya and Bhutta. The environmental SDGs mark a strong presence with Abhilash, Leal-Filho and Kalin. The affiliation of Abhilsash (Banaras Hindu University) is novel, as it is not part of the classic world core in knowledge production that is largely concentrated in the United States and Europe. It is worth noting that other prolific authors belong to nonmainstream knowledge production world areas, such as Russia or Pakistan. Professor Alola also deserves mention; not only is he the only contemporary prolific author producing in the area of economics, but he is also producing knowledge in Turkey.

In the same way, at the journal level, the potential establishment of concentration areas and determination of a deep discussion nucleus are analysed using Bradford’s law.

With a percentage error of 0.6%, between the total journal number and the total journal number estimated by the Bradford series, the database shows a core of 18 journals (2%) where one in three articles published are concentrated (see Table 3 ).

https://doi.org/10.1371/journal.pone.0265409.t003

Regarding the number of contributions by journal, Sustainability has the largest number of studies on SDGs, in which 689 (13%) of the 5,281 articles studied are concentrated. The Journal of Cleaner Production, indexed to WoS categories related to Environmental SDGs, is the second most prominent journal, with 2.7% participation of the articles (147). Both journals are followed by the multidisciplinary journal Plos One, with 2.2% of the total dataset. In terms of impact factor, the 60 points of the health journal The Lancet are superlative in the whole, which in the other cases ranges between 2.000 and 7.246. As shown in Table 4 , we have developed a “Prominence ranking” by weighting article production by impact factor. This metric shows The Lancet, with only 40 articles on SDGs, as the most relevant journal, followed by Sustainability, which becomes relevant due to the high number of publications (689) despite an impact factor of 2.576. These journals are followed by the Journal of Cleaner Production with 147 articles and an impact factor of 7.246.

https://doi.org/10.1371/journal.pone.0265409.t004

3.4. Thematic coverage

Concerning the thematic coverage, Fig 2A and 2B show a diversity of 7,003 Keyword Plus® (KWP), consistently connected to a total of 7,141 KWP assigned by Clarivate as metadata to the set of 5,281 articles studied, which presents a strong concentration in a small number of terms (red colour in the heat map generated with VOSviewer version 1.6.16).

a) Keywords Plus® heatmap and b) heat map zoom to highlight the highest concentration words, data source WoS, 2020.

https://doi.org/10.1371/journal.pone.0265409.g002

Based on this result, a concentration sphere with 85 KWP (= sqrt (7,141)) is established according to Zipf’s Law, which is presented in 50 or more articles out of the total of 5,281. Moreover, a central concentration sphere of 9 KWPs (= sqrt (85)) can be found, with keywords present in a range of 178 to 346 articles out of a total of 5,281. These nine pivotal keywords are all connected in terms of co-occurrence (associated by Clarivate two or more to the same article) and within papers with an average number of citations in WoS that vary from 9.27 to 16.69, as shown in Table 5 . The nine most prominent key words in relation to the study of the SDGs are health, climate change, management, impact, challenges, governance, systems, policy and framework. These terms already suggest some of the themes around which the debate and research in this area revolves.

https://doi.org/10.1371/journal.pone.0265409.t005

The prominence of these keywords is obtained by combining the level of occurrence and average citations (see Table 5 ): on the one hand, the occurrence or number of articles with which the KWP is associated (e.g., Management, 346) and, on the other hand, the average citations presented by the articles associated with these words (e.g., Framework. 9.27). The final score (prominence) mixes both concepts, given the product of the occurrences and the average citations of each KWP in proportion to the mean values (e.g., (330 * 16.69)/(246 * 11.96) = 1.9).

3.5. Relations within the academic contributions

The coupling-citation analysis using VOSviewer identifies the 5,281 articles under study, of which only those found in the h-index as a whole have been considered (the h-index in the database is 81, as there are 81 articles cited 81 or more times). The bibliographic coupling analysis found consistent connections in only 73 of these articles, gathered in seven clusters. Such clusters and unconnected articles are represented in Fig 3 .

Data source WoS. 2020.

https://doi.org/10.1371/journal.pone.0265409.g003

In simple terms, discrimination belonging to one cluster or another depends on the total link number that an article has with the other 80 articles based on the use of the common references. Table 6 specifies the articles belonging to the same publication cluster in relation to Fig 3 .

https://doi.org/10.1371/journal.pone.0265409.t006

Bibliographic coupling analysis can also be used to link the seven clusters that use common references with the field document title (TI), publication name (SO), Keyword Plus-KWP (ID), and research areas (SC). This allows the identification of the main topics of each cluster. As shown in Table 7 , cluster 1 (red) concerns environmental and public affairs; cluster 2 (green), health; cluster 3 (blue), economics; cluster 4 (yellow), health–the burden of disease; cluster 5 (violet), economics–Kuznets curve; cluster 6 (light blue), energy; and cluster 7 (orange), soil—land.

https://doi.org/10.1371/journal.pone.0265409.t007

3.6. Outstanding contributions in the field

The cocitation analysis identified a total of 232,081 references cited by the 5,281 articles under study. It suggests taking as references to review those that present 44 or more occurrences in the database (232,081/5,281). This method results in 34 articles that have been used as main inputs for the scientific production under analysis, cited between 44 and 504 times. A result worth highlighting is that one in three of these documents corresponds to reports from international organisations, such as the United Nations (UN), United Nations Educational, Scientific and Cultural Organization (UNESCO), United Nations International Children’s Emergency Fund (UNICEF), United Nations Fund for Population Activities (UNFPA), World Bank Group (WB) or World Health Organization (WHO). However, it is also possible to identify 21 peer-reviewed scientific contributions. These papers are identified in detail in Table 8 .

https://doi.org/10.1371/journal.pone.0265409.t008

The cocitation analysis yields the degree of relationship of these 21 most cited research articles. It is how such references have been used simultaneously in the same article. Fig 4 displays this information (to help readers, it has also been included in Table 8 , centrality in 21 column).

https://doi.org/10.1371/journal.pone.0265409.g004

According to the relationship level in the most cited article’s selection, the graph ( Fig 3 ) has been clustered in three colours: cluster 1 in red colour groups the highest articles proportion (9) published between 2013 and 2017 in 7 journals. These journals present an impact factor (IF) quite heterogeneous, with values ranging from 2.576 (Sustainability) to 60.39 (Lancet) and indexed in one or more of the following WoS categories: Environmental Sciences (4 journals), Green & Sustainable Science & Technology (4), Environmental Studies (2), Development Studies (1), Medicine, General & Internal (1), Multidisciplinary Sciences (1) and Regional & Urban Planning (1). Three of these articles are cited 130–150 times in the 5,281-article dataset and, at the same time, show a connection centrality of 95–100% with the other 20 articles in the graph, implying a high level of cocitation. The other two clusters group six articles each. The articles of cluster 2 (green colour) are included in a widespread WoS category set: Environmental Sciences (3 journals), Geosciences, Multidisciplinary (2), Ecology (1), Economics (1), Energy & Fuels (1), Environmental Studies (1), Green & Sustainable Science & Technology (1), Materials Science, Multidisciplinary (1), Meteorology & Atmospheric Sciences (1) and Multidisciplinary Sciences (1). The research of Nilsson [ 101 ] was used as a reference in 176 of the 5,281 articles under study, showing a centrality of 100%. This great connection level is also featured in another less cited article [ 17 ] published in Earth’s Future. Finally, cluster 3 (blue) highlights six articles concentrated in three highly cited journals in the WoS categories: Medicine, General & Internal (Lancet) and Multidisciplinary Sciences (Nature and Science), whose IFs range from 41.9 to 60.4. In general, they are articles less connected (cocited) to the set of 21, with centralities of 30–90%. Two of these articles were referenced 140 times or more, although one was published in 2009. Thus, cluster 3 concentrates the references mainly in journals on environmental issues with scientific-technological orientation, as well as classic and high-impact WoS journals (The Lancet, Nature and Science). It is worth noting that some of these top journals may not be listed in Table 4 as they are not included in the Bradford’s nucleus, due to their comparatively low number of contributions published.

Finally, continuing with the thematic study, a cross-citation analysis was developed. Considering only the 81 articles that are part of the h-index of the total set of 5,821 articles under study, the citations that are presented among this elite article set are explored using VosViewer. The cross-citation analysis detects existing relationships between 37 of these 81 articles. Once the directionality of the citations has been analysed, a directed temporal graph is generated using Pajek 64 version 5.09, which is presented in Fig 5 .

https://doi.org/10.1371/journal.pone.0265409.g005

Fig 5 shows how these 37 highly cited articles are related to each other (the number after the name is the publication year), considering that some of these articles are cited as references in other articles in this set. The relationships between the articles in Fig 5 are complex and should be understood under a temporal sequence logic in the citation between two articles. However, some trends can be highlighted.

On the one hand, some contributions stand out for their centrality. Lim et al. [ 102 ] is connected with eight of the 37 articles (21.6%) on citing relationships, as is Fullman et al. [ 27 ], which relates to seven of the 37 articles (18.9%). Both authors researched health issues and are also coauthors of nine articles of the dataset under study. On the other hand, according to the SDG segmentation proposed, Hajer et al. [ 19 ] and Le Blanc [ 12 ] are recognized as seminal articles in social SDGs, since they contribute to the production of other subsequent articles in the set of 37. On the other hand, in health matters, seminal articles are Norheim et al. [ 103 ] and You et al. [ 104 ], two articles published in The Lancet whose citations also contribute to the production of the set introduced as Fig 5 .

4. Discussion

The main purpose of this paper was to develop a critical and comprehensive scientometric analysis of the global academic literature on the SDGs from 2015 to 2020, conducted using the WoS database. The attained results have made it possible to comprehend and communicate to the scientific community the current state of the debate on the SDGs, thus offering insights for future lines of research.

To achieve the objectives, the present study analysed a broad spectrum of 5,281 articles published in 1,135 WoS journals. A first aspect that is striking is the great diversity of topics addressed in these studies, which reflects the multidimensionality of the SDGs. Despite this, more than half of the articles are concentrated in two JCR-WoS categories (Environmental Sciences and Green Sustainable Science Technology), a percentage that exceeds 80% if the categories Environmental Studies and Public Environmental Occupational Health are added. Thus, on the one hand, the size of the body of literature and the broad spectrum of topics more than covers the four perspectives of analysis that are relevant in research on the SDGs, according to Hajer et al. [ 19 ]: planetary boundaries, the safe and just operating space, the energetic society and, last, green competition. However, on the other hand, results also highlight a strong focus on the environmental aspects of the SDGs, which undoubtedly concentrate the most contributions.

The Sustainable Development Goals constitute an area of research that has experienced exponential scientific growth, a tendency already suggested by previous studies [ 81 , 105 ], thus complying with the fundamental principles of Price’s law [ 76 ], which suggests the need for this exponential growth to manifest a continuous renewal of knowledge on the subject under study. The results of this study highlight a significant increase in the number of articles published in the last two years, given that six out of ten articles were published in 2019 or 2020. This tendency confirms how the SDGs continue to arouse great interest in the scientific community and that the debate on the interpretation of sustainable development is still open and very present in academia.

The variety of knowledge areas from which science can approach the SDGs demonstrates the different avenues that exist to address different research questions and their multidimensional nature, as anticipated by Pradhan et al. [ 17 ], a dispersion not far from the traditional fields of knowledge or the conventional dimensions of sustainability. Investigating the reasons for this dispersion in academic research on the SDGs may be a topic of great interest, as anticipated by Burford et al. [ 47 ] and Le Blanc [ 12 ], since understanding the phenomenon of development can only be achieved if the main challenges, both current and future, can be viewed holistically and comprehensively. Along these lines, Imaz and Eizagirre [ 106 ] state that the complexity of the study of the SDGs is undoubtedly marked by their aspiration for universality, by their broad scope encompassing the three basic pillars of sustainable development (economic development, environmental sustainability and social inclusion) and by their desire for integration, motivated by the complexity of the challenges and by the countless interlinkages and interdependencies.

This natural multidimensionality of the SDGs calls for strong cooperation and collaboration between researchers, universities, and countries. In this sense, the scientometric analysis provides good news, as more than a hundred prolific authors (defined as those authors who have published nine or more articles on this topic) have been identified, although these are reduced to eight in contemporary terms (2019 or 2020). This select group of eight authors who lead research and publishing on the SDGs (sometimes with dual or triple affiliations) produce knowledge for universities and research centres both in the global north and the global south: Canada, the U.S., the UK, Germany, Pakistan, Turkey, India, Benin, Russia and Cyprus. The protagonist role played by research institutes in countries in the north has already been acknowledged by previous studies [ 81 , 105 ]. However, the emergence of top scholars producing academic knowledge from developing countries is a more recent tendency, which underscores the pertinence of this analysis.

A closer look at the academic and research curricula of these authors leads to the conclusion that the study of the SDGs does not constitute a final field of research at present. These researchers come from very heterogeneous disciplines, so their approach to the SDGs is also multidisciplinary. To illustrate it with an example, the most cited article by Professor Abhilash of Banaras Hindu University (the most published contemporary prolific author along with Christopher Murray of the University of Washington), with 363 WoS citations in February 2021 alone, is on the use and application of pesticides in India.

In more concrete terms, following Wu et al.’s [ 23 ] classification as a frame of reference, the eight most prolific contemporary authors approach the SDG research problem from two main domains, one of an environmental nature (Abhilash, Leal-Filho, Alola and Kalin) and the other related to health (Murray, Yaya, Bhutta, and Hay). The most common journals where these authors publish on environmental issues are the Journal of Cleaner Production, Higher Education, Water and Science of the Total Environment. Health researchers, on the other hand, tend to publish mainly in the journals of the BMC group, The Lancet and Nature.

This wide diversity of academic fora can be clarified with the application of Bradford’s laws, which identified a core of 18 journals that bring together the debates and academic discussions about the SDGs. It is worth noting that the 18 journals that form the core are distributed in 16 different thematic areas or WoS categories: Development Studies; Ecology; Economics; Education & Educational Research; Engineering, Environmental; Environmental Sciences; Environmental Studies; Green & Sustainable Science & Technology; Hospitality, Leisure, Sport & Tourism; International Relations; Medicine, General & Internal; Multidisciplinary Sciences; Public, Environmental & Occupational Health; Regional & Urban Planning; and Water Resources. On the one hand, this wide dispersion in terms of areas of knowledge suggests that research on the SDGs can be studied from different approaches and disciplines, which opens up a wide range of possibilities for researchers from different branches of scientific knowledge, as well as an opportunity for multidisciplinary collaborations. On the other hand, this heterogeneity might also hinder the communication and dissemination of learning from one field to another. The cross-citation analysis provided in Fig 5 suggests this possibility, as seminal works are related to thematic disciplines more than to the seminal contributions identified in Table 8 .

In this sense, it is interesting to analyse the top-cited articles in the database, as they provide a clear picture of the field of knowledge. One-third of these contributions are provided by international institutions, such as the United Nations Development Program or the World Bank, which provide analyses of a normative nature. This prevalence reflects some weaknesses in the academic basis of the analysis of the SDGs as a whole from a scientific approach, an idea reinforced when the most cited papers are analysed. In fact, only six papers have reached more than 100 citations by contributions included in the database [ 4 , 12 , 24 , 29 , 101 , 107 ]. Not only were these papers largely published before the approval of the SDGs themselves, but half of them are editorial material, inviting contributions but are not evidence-based research papers. Highlighting the nature of the most cited contributions does not diminish their value but does speak to the normative approach that underlies the analysis of the SDGs when addressed not individually but as an overall field of research.

Regarding topics and themes of interest, the scientometric analysis carried out in this research identified a strong concentration around a small number of terms, as represented in a heat map ( Fig 2A and 2B ). All these topics constitute a potential source of inspiration for future research on the subject.

Through an analysis of the main keywords, it can be seen that the studies focused on the traditional areas of health and climate change. However, these keywords also provide new elements for discussion, as they uncover some other areas of study that have been highlighted by the literature. First, the appearance of the term Management as one of the main keywords reveals the importance that researchers give to the role of business in achieving the SDGs, as already suggested by Scheyvens et al. [ 49 ] and Spangenber [ 22 ]. Second, the need to address new governance processes and to seek global solutions, as suggested by authors such as Sachs [ 4 ], underscore the keywords Governance, Policy and Framework, all aspects deemed crucial for the achievement of the SDGs and the 2030 Agenda [ 108 ]. Finally, other keywords such as Impact, Challenges or Systems are a clear example of the complexity and interdependencies that exist in research on the SDGs, considered an essential aspect by Griggs et al. [ 13 ] or Le Blanc [ 12 ]. The attained results highlight some of the connections between different domains of sustainable development by identifying categories and themes that are highly related in the groupings that emerge from the bibliographic coupling analysis.

In general terms, the holistic vision of development embodied by the SDGs has drawn the attention of very different disciplines, fields and areas of scientific knowledge. However, seven major areas of research have emerged: environmental and public affairs, health, economics, health-burden of disease, economics-Kuznets curve, energy and soil-land. These areas are not far removed from the current paradigm of sustainable development, where poverty or inequality are problems that are not exclusive to developing countries [ 5 , 6 ]. Thus, emerging issues that mainly affect first world countries, including urban planning, the impact of activities such as hospitality, sport or tourism, or education for development, are starting to stand out with increasing intensity, which continues to open new avenues for future research.

In short, the results of the scientometric analysis have provided a systematized overview of the research conducted in relation to the SDGs since the approval of the 2030 Agenda. Among other things, the critical analysis has identified the main trends with respect to the number of publications, the most relevant journals, the most prolific authors, institutions and countries, and the collaborative networks between authors and the research areas at the epicentre of the debate on the SDGs. As Olawumi and Chan [ 105 ] already acknowledged, the power research networks applied to the study of the SDGs offer valuable insights and in-depth understandings not only of key scholars and institutions but also about the state of research fields, emerging trends and salient topics.

Consequently, the results of this work contribute to the systematic analysis of scientific research on the SDGs, which can be of great interest for decision-making at the governmental level (e.g., which research to fund and which not to fund), at the corporate level and at the level of research centres, both public and private. Furthermore, the scientometric analysis carried out may provide clues for academics regarding future lines of research and topics of interest where the debate on the SDGs is currently situated.

5. Conclusions, limitations and future research lines

As could not be otherwise, all research in the field of social sciences has a series of limitations that must be clearly and transparently explained. The two most relevant in this study are the following.

First, although the study of the SDGs is a recent object of research, the rate of publication is growing exponentially, such that scientific knowledge is renewed practically in its entirety every two years. The only articles that escape this scientometric obsolescence are those with a high number of citations (h-index). This circumstance generates a temporal limitation in terms of the conclusions obtained in the present investigation, conclusions that should be revised periodically until the growth of publications stabilizes by adopting a logistic form, as recommended by Sun and Lin [ 109 ].

Second, the articles used as the basis for this research were restricted to those published in the JCR-WoS. This decision was made for two main reasons. On the one hand, the limitation was to eliminate potential distortions that could occur as a result of the constant growth of journals that are incorporated annually into other databases, such as ESCI-WoS (Emerging Sources Citation Index). On the other hand, it is impossible to compare impact indices if integrating other databases such as Scopus.

We are aware of these limitations, which for developing a more selective analysis imply assuming the cost of less coverage in exchange.

Regarding future lines of research, the analysis highlights how the study of the SDGs is failing to balance their economic, social and sustainability components, as it still maintains an overall focus on environmental studies.

This suggests the urgency of increasing studies on social SDGs, key topics on the 2030 Agenda including equity (SDGs 4, 5 and 10), social development (SDGs 11 and 16) and governance (SDG 17). These topics are part of the public discourse and currently a source of social pressure in many latitudes, but they are still research areas that are necessary to deepen.

Economic sustainability studies are more present, but highly concentrated, in health economics, as previously acknowledged by Meschede [ 81 ]. Academic research on the SDGs against poverty (SDG 1) and hunger (SDG 2) has not achieved such a prominent place as health. Even less so, the economics of technological development (SDGs 8 and 9), which are recognized as crucial for economic development.

Finally, the environmental SDGs do not achieve a balance among themselves either. Academic research has prioritized action for climate (SDG 13) and industrial and human consumption, mainly water (SDG 6) and energy (SDG 7). New research should be developed in the area of land (SDG 15), life under the sea (SDG 14) and sustainable production (SDG 12).

Supporting information

S1 dataset..

https://doi.org/10.1371/journal.pone.0265409.s001

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SCIENCE & ENGINEERING INDICATORS

Research and development: u.s. trends and international comparisons.

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Introduction

This report analyzes research and experimental development (R&D) trends in the United States and internationally. R&D refers to creative and systematic work aimed at increasing the stock of knowledge and is broken down into three categories: basic research, applied research, and experimental development (Moris and Pece 2022; OECD 2015). The Glossary section of this report summarizes key definitions.

R&D and other intangibles or intellectual property products (IPPs), such as software investment, contribute to innovation, output and productivity growth, competitiveness, and public policy goals across countries—from defense, cybersecurity, and information infrastructure to sustainable energy, environmental protection, and health (Baily, Bosworth, and Doshi 2020; CRS 2020a; NASEM 2020; Pece 2023b; OECD 2023d, 2023h). The COVID-19 pandemic impacted global science by highlighting the importance of resiliency and security in domestic and international global research networks (OECD 2022, 2023a, 2023b, 2023c, 2023d).

In the private sector, R&D is also a leading component of global value chains (GVCs) for industries at the forefront of advanced manufacturing, emerging and critical technologies, and high-technology services across the globe. International production arrangements and global R&D networks, built over the past decades (Kano, Tsang, and Yeung 2020; Papanastassiou, Pearce, and Zanfei 2020), have been challenged by pandemic-related and geopolitical factors that are impacting the organization of international R&D and economic activity and the role of critical or emerging technologies (IMF 2023; OECD 2023e).

This report is organized into four sections. The first covers U.S. R&D across the major performing and funding sectors, followed by a section on international comparisons. The last two sections focus on business R&D and federal R&D. The report also includes new information on semiconductor and other critical or emerging technologies R&D that feeds into business high-technology supply chains and public policy goals (CRS 2022a, 2022b; USG 2023).

Related Science and Engineering Indicators 2024 reports include “ Academic Research and Development ” and the forthcoming “The STEM Labor Force: Scientists, Engineers, and Skilled Technical Workers.” Three other related reports focus on production supply chains and other post-R&D activities: “ Publications Output: U.S. Trends and International Comparisons ,” “ Invention, Knowledge Transfer, and Innovation ,” and “ Production and Trade of Knowledge- and Technology-Intensive Industries .”

The principal data sources of this report are surveys and the National Patterns of R&D Resources (henceforth, National Patterns) database (NCSES 2024) from the National Center for Science and Engineering Statistics (NCSES), National Science Foundation (NSF). The Organisation for Economic Co-operation and Development (OECD) Main Science and Technology Indicators (MSTI) database (OECD 2023c) is the source for international R&D statistics. All amounts are reported in U.S. current dollars unless otherwise noted. All years are calendar years unless otherwise noted.

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The Higher Education Sustainability Initiative (HESI) is a partnership involving various United Nations entities and the higher education community, aimed at integrating sustainability into education, research, and campus practices worldwide. Each year, HESI forms Action Groups to address pertinent issues concerning higher education for sustainable development. These groups leverage the expertise of the higher education community, often comprising multiple organizations and contributors.

Recognizing the crucial role of higher education in sustainable development within SIDS, this side event held alongside the Fourth International Conference on Small Island Developing States (SIDS4) is designed to enhance the contributions of higher education to sustainable development in SIDS over the coming decade.

The event will lay the groundwork for establishing a Higher Education for SIDS action network under HESI, building upon the groundwork by the University Consortium for SIDS. The focus areas of such Network could include:

• Enhancing collaborative research initiatives among higher education institutions in SIDS and international partners to address pressing challenges relevant to sustainable development, resilience, and the unique circumstances of SIDS.
• Fostering partnerships within higher education institutions in SIDS to promote internal collaboration across universities and external collaboration with various societal sectors.
• Strengthening the science-policy interface to support the implementation of the Antigua and Barbuda Agenda for SIDS (ABAS) and facilitating evidence-based policymaking processes in SIDS.
• Promoting teaching and curriculum development for sustainable development within SIDS, by aligning curricula with Sustainable Development Goals (SDGs), facilitating experiential learning, and offering capacity-building opportunities for educators.
• Providing capacity building to higher education institutions in SIDS through professional development opportunities, workshops, and training programs designed to enhance educators' competencies in teaching sustainability-related topics and innovative pedagogical approaches.
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The outcome of the SIDS4 interregional meeting, the 'Praia (Cabo Verde) Declaration', called for a revitalization of the University Consortium for SIDS. This revitalization is intended to tackle the distinct challenges and opportunities that SIDS face by consolidating expertise, research capabilities, and resources.

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B7 2024: Final Communiqué

B7 2024 final communiqué.

May 20, 2024

The below is the executive summary. You may download the full report on this page.

Maximizing the Benefits of AI  

As a major catalyst for the transformation of our era, AI, in synergy with other enabling technologies, can enhance productivity and economic resilience, optimize the functioning of GVCs, and improve infrastructure planning, natural resource management, energy demand forecasting, and climate mitigation. Investing in AI and its applications ethically and inclusively will usher industries into the data economy, expand the labor market, and enhance progress in key sectors such as healthcare and life sciences. More effective public-private partnerships enhance education, skills, risk-based frameworks, interoperability, and capacity building, and make AI applications safer, and more secure and trustworthy.  

Building upon the G7 AI Hiroshima Process, the B7 fully supports the G7 in establishing human-centered principles and standards to monitor and guide its evolution, while fostering innovation and interoperability for the benefit of all.  

Enhancing Global Trade and GVCs’ Resilience  

Critical dependencies should be addressed by coordinating policies, streamlining compliance costs associated with export controls and investment screening regimes, enhancing partnerships with, and investing in Least Developed Countries (LDCs), sharing frameworks to predict supply chain disruptions, and increasing preparedness and security. 

In parallel, the G7 strive for a global level playing field by eliminating unjustified existing barriers and refraining from adopting new ones. The B7 is deeply concerned about the future of the WTO and reiterates its support for a rules-based multilateral trading system. Making the WTO Moratorium on Electronic Transmissions permanent is vital, while a sound reform of the Organization remains the overarching priority. The G7 policymakers should limit policy uncertainty and support businesses’ strategies, investments, and confidence. Delivering on the objectives of the PGII and the Build Back Better World (B3W) is paramount for revamping investments and supporting the sustainable growth of market economies.  

Tackling Energy, Environmental, and Climate Challenges  

The G7 countries’ industrial policies and regulatory frameworks should converge while ensuring energy security, competitiveness, and decarbonization. Investing in sustainable and low-carbon technologies, research and development-oriented projects, and strategic value chains according to the principle of full technological neutrality and enhancing the diversification of cost-efficient transition energy sources’ supplies and carriers would favor the affordability of energy prices during the transition phase. Public-private investment funds, convergent taxonomies and labeling, aligned incentives, and reduced divergencies in carbon markets would support the decarbonization of hard-to-abate industrial sectors, boost circular economy initiatives, energy efficiency, facilities’ reconversions and recycling, and new smart transmission and distribution infrastructures. 

For a just transition, the G7 should make the Loss and Damage Mechanism operational, and promote voluntary cooperation and targeted technological transfer, while preserving intellectual and industrial property rights. It should also take into account that just transition requires the build-out of infrastructure to empower consumers and Micro, Small and Medium Enterprises (MSMEs) beyond the most advanced areas.  

Embracing the Data Economy and Digital Technologies  

The G7 should operationalize Data Free Flow with Trust (DFFT) through the Institutional Arrangement for Partnership (IAP) while promoting a continuous dialogue with the industry to craft regulations for a digital trust framework. Recognized evidence and risk-based standards for data flow transparency and accountability should be established, and incentives to favor trust, privacy, risk mitigation, cybersecurity, intellectual property, and interoperability should be prioritized. Promoting the development of a common G7 quantum computing ecosystem and joint research on post-quantum cryptography will enhance the security and reliability of digital infrastructures and technologies.  

Also, the G7 should promote an ambitious connectivity agenda to further accelerate the take-up of advanced technologies, and enhance digitalization by spreading digital skills across businesses, administrations, and societies, notably by leveraging STEM-based pathways and the use of Digital Identity for G2B, G2C, B2B and B2C transactions. 

Unleashing Talents’ Potential and Enhancing the Resilience of Welfare Systems  

The B7 calls on the G7 to reform the educational systems at all levels to meet emerging job markets’ requirements and new technological trends and to facilitate the transition from education to work. The B7 renews its commitment to bridge between the workforce and employers by identifying labor market gaps, investing in skills development, and funding apprenticeship and mid-career reskilling programs. The B7 urges G7 governments to strengthen active labor market policies, promote entrepreneurship, encourage the social inclusion of underrepresented groups, particularly women and youth, and modernize welfare systems through farsighted fiscal and employment policies providing citizens with long-term equitable access to quality services in healthcare and education and address the old-age dependency. 

Measuring Achievements  

The B7 Italy 2024 introduces the adoption of leading Key Performance Indicators (KPIs) making the G7 and the other owners accountable for measurable outcomes. To track these KPIs over time and measure progress against the related targets, the B7 recommends the establishment of a joint G7-B7 Monitoring Committee. 

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