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Here is your short essay on Energy!

Energy is a primary input for almost all activities and is, therefore, vital for improvement in quality of life. Its use in sector such as industry, com­merce, transport, telecommunications, wide range of agriculture and house­hold services has compelled us to focus our attention to ensure its continuous supply to meet our ever increasing demands.

Energy related problems are not new. The energy related problems are as old as 2500 years ago. The early Romans and Greeks faced fuel shortage as wood was their primary source of energy. They had to import wood from very faraway places. Fossil fuel is still the main source of energy. Today we are facing the peak of oil and gas utilization. Fossil fuel resources took millions of years to form and are infinite.

These resources may be exhausted in a few hundred years. Historical evidence shows that world energy demand has increased at almost the same rate as gross world product (GWP). People living in industrialized or developed countries are a relatively small percentage of the world’s total popu­lation, but they consume a huge share of the total energy produced in the world.

The main issues regarding the energy problem in urban areas are:

(a) How to utilize the energy from non-renewable sources at their maximum efficiency.

(b) How to make use of renewable sources of energy or the alternative energy sources?

Energy policy today has two choices (paths). One path leads to the fossil fuels (hard path), which means continuing as we have been for a number of years i.e., emphasising energy quantity by finding more amount of fossil fuels and build­ing much larger power plants.

The second path is the soft path which leads to the energy alternatives that emphasize energy quality and are also renewable, flexible and more environmental friendly. The soft path relies mainly on renew­able energy i.e. sunlight, wind biomass, tidal energy etc.

There is a need to resort to energy management. This concept recognizes that no single energy source can possibly provide all the energy required by the source nation. Thus, the basic objective of the integrated energy management is to obtain sustainable energy and which should be realized at the local level. In addition, measures to conserve energy need to be followed.

Energy conservation is considered as a quick and economical way to solve the problem of power shortage as also a means of conserving the country’s finite sources of energy. Energy conservation measures are cost effective, require rela­tively small investments and have short gestation as well as pay back periods. The studies conducted by Energy Management Centre, New Delhi have indi­cated that there is about 25% potential of energy conservation in the industrial sector.

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246 Energy Topics & Essay Examples

These energy topics explore the dynamic realm of energy sources, consumption, and sustainability. Here, you can find an excellent topic for your essay or project. As you go through these energy research questions, you will uncover the intricacies of energy demands, environmental concerns, and the quest for renewable energy solutions. Let’s charge up!

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• Discussion of Renewable Energy Resources Renewable energy sources have now become a topic for continuous discussion in the contexts of environmental studies, economics, and society.
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• Biomass and Energy Crops and Technology Biomass energy is a more environmentally friendly form of energy when but the economic viability of its production still doesn’t measure up to fossil fuel production.
• Sunburst Renewable Energy Corporation: Business Structuring The proposed Sunburst Renewable Energy Corporation will function on a captivating value statement in product strategy and customer relationships as the core instruments of sustainable operations.
• Valero Energy and Chevron Corporations’ Financial Management Valero Energy and Chevron Corporations faced a drastic decline in total revenues in 2020, mainly due to economic upheaval and uncertainty caused by COVID-19.
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• Energy Independence in the USA The United States is dependent on oil imports coming from politically unstable regions in the world. Energy independence is not yet possible because of several limitations.
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• Dark Energy and Its Significance for the Universe Dark energy is an energy component with negative pressure. It violates the strong energy condition and accelerates the universe.
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• Solar Energy in Developing Countries: Addressing Energy Poverty and Sustainability.
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• Energy Saving Light Bulb Manufactures Ethical Issue Whether it is ethical for companies to continue manufacturing these bulbs which have a positive effect on the environment but a negative one on people’s health.
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• The US and Canada’s Approaches to the Energy Issue The US and Canada are two of the world’s largest countries, requiring increased energy consumption and utilization as industrialized nations.
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• General Physics: Increasing Internal Energy The first law of thermodynamics deals with the state of energy and its transfer between objects. Energy is conserved in an isolated system.
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• Renewable Energy: The Use of Fossil Fuel The paper states that having a combination of renewable energy sources is becoming critical in the global effort to reduce the use of fossil fuels.
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• Materials and Technologies for a Photovoltaic Solar Cell Efficiency Enhancement.
• Solar Energy Integration into Urban Design and Architecture.
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• Prospects and Challenges of Thin-Film Solar Technologies.
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• Solar Energy and Agriculture: Agrovoltaics and Land Use Efficiency.
• Overcoming Barriers to Adoption of Solar Energy in Developing Countries.
• Maximizing the Energy Output of Solar Tracking Systems.
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• Solar Energy and Environmental Impacts: Life Cycle Assessment.
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• Energy Crisis and Policy in the United States Currently, countries of the world face an energy crisis due to climate change, population growth, increased demand, and dependence on fossil-based fuels.
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• The United Kingdom Energy and Emissions This paper analyses the impacts of fuel extraction and the legislations governing gas emissions in the United Kingdom (UK).
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• Energy Deals Derailed by Obscure Accounting Rule: Enron Case The top-level management at Enron undertook one of the largest accounting scandals to have ever hit the corporate world resulting in the bankruptcy and dissolution of this company.
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• Concept of Energy Consumption in Environmental Design Environmental concerns are not restricted to energy consumption, having other aspects to consider such as sustainability, recycling, eco-regulations.
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• Renewable Energy Sources: Definition, Types and Stocks This research report analyzes the growing interest of the use renewable energy as an alternative to the non-renewable energy.
• Industrial Fermentation as Energy Conversion One of the most common examples of employing fermentation in the industry is producing alcoholic drinks and dairy products. This type of energy conversion refers to anaerobic.
• Green Energy and Carbon Capture Green energy is a useful strategy for providing sustainable energy for use in various economic sectors. Carbon capture and storage help to protect the environment.
• US Energy Policy: Vulnerabilities and Challenges As the world’s need for energy continues to grow, the US government has to formulate a comprehensive strategy to secure energy resources.
• Managing Energy Demand in Abu Dhabi: Toward Sustainable City This paper seeks to carry out a comprehensive analysis of the Abu Dhabi energy needs situation, including making comparison with other international cities.
• Gas Price Increasing and Alternative Energy Sources The alternatives source of energy can be the best solution of energy demand. The energy, which are considering as an alternative to gas, are solar power, wind power, and biomass or bio-fuel etc.
• Usage of Alternative Energy Alternative energy is a term used to describe any source of energy that replaces the usage of fuel as the source of energy and they are deemed not to have the negative effects.

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StudyCorgi . "246 Energy Topics & Essay Examples." September 9, 2021. https://studycorgi.com/ideas/energy-essay-topics/.

StudyCorgi . 2021. "246 Energy Topics & Essay Examples." September 9, 2021. https://studycorgi.com/ideas/energy-essay-topics/.

These essay examples and topics on Energy were carefully selected by the StudyCorgi editorial team. They meet our highest standards in terms of grammar, punctuation, style, and fact accuracy. Please ensure you properly reference the materials if you’re using them to write your assignment.

This essay topic collection was updated on January 22, 2024 .

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How to Write an Essay Introduction (with Examples)   

The introduction of an essay plays a critical role in engaging the reader and providing contextual information about the topic. It sets the stage for the rest of the essay, establishes the tone and style, and motivates the reader to continue reading. 

Table of Contents

What is an essay introduction , what to include in an essay introduction, how to create an essay structure , step-by-step process for writing an essay introduction , how to write an introduction paragraph , how to write a hook for your essay , how to include background information , how to write a thesis statement .

• Argumentative Essay Introduction Example: 
• Expository Essay Introduction Example 

Literary Analysis Essay Introduction Example

Check and revise – checklist for essay introduction , key takeaways , frequently asked questions .

An introduction is the opening section of an essay, paper, or other written work. It introduces the topic and provides background information, context, and an overview of what the reader can expect from the rest of the work. 1 The key is to be concise and to the point, providing enough information to engage the reader without delving into excessive detail. 

The essay introduction is crucial as it sets the tone for the entire piece and provides the reader with a roadmap of what to expect. Here are key elements to include in your essay introduction: 

• Hook : Start with an attention-grabbing statement or question to engage the reader. This could be a surprising fact, a relevant quote, or a compelling anecdote. 
• Background information : Provide context and background information to help the reader understand the topic. This can include historical information, definitions of key terms, or an overview of the current state of affairs related to your topic. 
• Thesis statement : Clearly state your main argument or position on the topic. Your thesis should be concise and specific, providing a clear direction for your essay. 

Before we get into how to write an essay introduction, we need to know how it is structured. The structure of an essay is crucial for organizing your thoughts and presenting them clearly and logically. It is divided as follows: 2  

• Introduction:  The introduction should grab the reader’s attention with a hook, provide context, and include a thesis statement that presents the main argument or purpose of the essay.  
• Body:  The body should consist of focused paragraphs that support your thesis statement using evidence and analysis. Each paragraph should concentrate on a single central idea or argument and provide evidence, examples, or analysis to back it up.  
• Conclusion:  The conclusion should summarize the main points and restate the thesis differently. End with a final statement that leaves a lasting impression on the reader. Avoid new information or arguments. 

Here’s a step-by-step guide on how to write an essay introduction: 

• Start with a Hook : Begin your introduction paragraph with an attention-grabbing statement, question, quote, or anecdote related to your topic. The hook should pique the reader’s interest and encourage them to continue reading. 
• Provide Background Information : This helps the reader understand the relevance and importance of the topic. 
• State Your Thesis Statement : The last sentence is the main argument or point of your essay. It should be clear, concise, and directly address the topic of your essay. 
• Preview the Main Points : This gives the reader an idea of what to expect and how you will support your thesis. 
• Keep it Concise and Clear : Avoid going into too much detail or including information not directly relevant to your topic. 
• Revise : Revise your introduction after you’ve written the rest of your essay to ensure it aligns with your final argument. 

Here’s an example of an essay introduction paragraph about the importance of education: 

Education is often viewed as a fundamental human right and a key social and economic development driver. As Nelson Mandela once famously said, “Education is the most powerful weapon which you can use to change the world.” It is the key to unlocking a wide range of opportunities and benefits for individuals, societies, and nations. In today’s constantly evolving world, education has become even more critical. It has expanded beyond traditional classroom learning to include digital and remote learning, making education more accessible and convenient. This essay will delve into the importance of education in empowering individuals to achieve their dreams, improving societies by promoting social justice and equality, and driving economic growth by developing a skilled workforce and promoting innovation. 

This introduction paragraph example includes a hook (the quote by Nelson Mandela), provides some background information on education, and states the thesis statement (the importance of education). 

This is one of the key steps in how to write an essay introduction. Crafting a compelling hook is vital because it sets the tone for your entire essay and determines whether your readers will stay interested. A good hook draws the reader in and sets the stage for the rest of your essay.  

• Avoid Dry Fact : Instead of simply stating a bland fact, try to make it engaging and relevant to your topic. For example, if you’re writing about the benefits of exercise, you could start with a startling statistic like, “Did you know that regular exercise can increase your lifespan by up to seven years?” 
• Avoid Using a Dictionary Definition : While definitions can be informative, they’re not always the most captivating way to start an essay. Instead, try to use a quote, anecdote, or provocative question to pique the reader’s interest. For instance, if you’re writing about freedom, you could begin with a quote from a famous freedom fighter or philosopher. 
• Do Not Just State a Fact That the Reader Already Knows : This ties back to the first point—your hook should surprise or intrigue the reader. For Here’s an introduction paragraph example, if you’re writing about climate change, you could start with a thought-provoking statement like, “Despite overwhelming evidence, many people still refuse to believe in the reality of climate change.” 

Including background information in the introduction section of your essay is important to provide context and establish the relevance of your topic. When writing the background information, you can follow these steps: 

• Start with a General Statement:  Begin with a general statement about the topic and gradually narrow it down to your specific focus. For example, when discussing the impact of social media, you can begin by making a broad statement about social media and its widespread use in today’s society, as follows: “Social media has become an integral part of modern life, with billions of users worldwide.” 
• Define Key Terms : Define any key terms or concepts that may be unfamiliar to your readers but are essential for understanding your argument. 
• Provide Relevant Statistics:  Use statistics or facts to highlight the significance of the issue you’re discussing. For instance, “According to a report by Statista, the number of social media users is expected to reach 4.41 billion by 2025.” 
• Discuss the Evolution:  Mention previous research or studies that have been conducted on the topic, especially those that are relevant to your argument. Mention key milestones or developments that have shaped its current impact. You can also outline some of the major effects of social media. For example, you can briefly describe how social media has evolved, including positives such as increased connectivity and issues like cyberbullying and privacy concerns. 
• Transition to Your Thesis:  Use the background information to lead into your thesis statement, which should clearly state the main argument or purpose of your essay. For example, “Given its pervasive influence, it is crucial to examine the impact of social media on mental health.” 

A thesis statement is a concise summary of the main point or claim of an essay, research paper, or other type of academic writing. It appears near the end of the introduction. Here’s how to write a thesis statement: 

• Identify the topic:  Start by identifying the topic of your essay. For example, if your essay is about the importance of exercise for overall health, your topic is “exercise.” 
• State your position:  Next, state your position or claim about the topic. This is the main argument or point you want to make. For example, if you believe that regular exercise is crucial for maintaining good health, your position could be: “Regular exercise is essential for maintaining good health.” 
• Support your position:  Provide a brief overview of the reasons or evidence that support your position. These will be the main points of your essay. For example, if you’re writing an essay about the importance of exercise, you could mention the physical health benefits, mental health benefits, and the role of exercise in disease prevention. 
• Make it specific:  Ensure your thesis statement clearly states what you will discuss in your essay. For example, instead of saying, “Exercise is good for you,” you could say, “Regular exercise, including cardiovascular and strength training, can improve overall health and reduce the risk of chronic diseases.” 

Examples of essay introduction 

Here are examples of essay introductions for different types of essays: 

Argumentative Essay Introduction Example:  

Topic: Should the voting age be lowered to 16? 

“The question of whether the voting age should be lowered to 16 has sparked nationwide debate. While some argue that 16-year-olds lack the requisite maturity and knowledge to make informed decisions, others argue that doing so would imbue young people with agency and give them a voice in shaping their future.” 

Expository Essay Introduction Example  

Topic: The benefits of regular exercise 

“In today’s fast-paced world, the importance of regular exercise cannot be overstated. From improving physical health to boosting mental well-being, the benefits of exercise are numerous and far-reaching. This essay will examine the various advantages of regular exercise and provide tips on incorporating it into your daily routine.” 

Text: “To Kill a Mockingbird” by Harper Lee 

“Harper Lee’s novel, ‘To Kill a Mockingbird,’ is a timeless classic that explores themes of racism, injustice, and morality in the American South. Through the eyes of young Scout Finch, the reader is taken on a journey that challenges societal norms and forces characters to confront their prejudices. This essay will analyze the novel’s use of symbolism, character development, and narrative structure to uncover its deeper meaning and relevance to contemporary society.” 

• Engaging and Relevant First Sentence : The opening sentence captures the reader’s attention and relates directly to the topic. 
• Background Information : Enough background information is introduced to provide context for the thesis statement. 
• Definition of Important Terms : Key terms or concepts that might be unfamiliar to the audience or are central to the argument are defined. 
• Clear Thesis Statement : The thesis statement presents the main point or argument of the essay. 
• Relevance to Main Body : Everything in the introduction directly relates to and sets up the discussion in the main body of the essay. 

Writing a strong introduction is crucial for setting the tone and context of your essay. Here are the key takeaways for how to write essay introduction: 3  

• Hook the Reader : Start with an engaging hook to grab the reader’s attention. This could be a compelling question, a surprising fact, a relevant quote, or an anecdote. 
• Provide Background : Give a brief overview of the topic, setting the context and stage for the discussion. 
• Thesis Statement : State your thesis, which is the main argument or point of your essay. It should be concise, clear, and specific. 
• Preview the Structure : Outline the main points or arguments to help the reader understand the organization of your essay. 
• Keep it Concise : Avoid including unnecessary details or information not directly related to your thesis. 
• Revise and Edit : Revise your introduction to ensure clarity, coherence, and relevance. Check for grammar and spelling errors. 
• Seek Feedback : Get feedback from peers or instructors to improve your introduction further. 

The purpose of an essay introduction is to give an overview of the topic, context, and main ideas of the essay. It is meant to engage the reader, establish the tone for the rest of the essay, and introduce the thesis statement or central argument.  

An essay introduction typically ranges from 5-10% of the total word count. For example, in a 1,000-word essay, the introduction would be roughly 50-100 words. However, the length can vary depending on the complexity of the topic and the overall length of the essay.

An essay introduction is critical in engaging the reader and providing contextual information about the topic. To ensure its effectiveness, consider incorporating these key elements: a compelling hook, background information, a clear thesis statement, an outline of the essay’s scope, a smooth transition to the body, and optional signposting sentences.  

The process of writing an essay introduction is not necessarily straightforward, but there are several strategies that can be employed to achieve this end. When experiencing difficulty initiating the process, consider the following techniques: begin with an anecdote, a quotation, an image, a question, or a startling fact to pique the reader’s interest. It may also be helpful to consider the five W’s of journalism: who, what, when, where, why, and how.   For instance, an anecdotal opening could be structured as follows: “As I ascended the stage, momentarily blinded by the intense lights, I could sense the weight of a hundred eyes upon me, anticipating my next move. The topic of discussion was climate change, a subject I was passionate about, and it was my first public speaking event. Little did I know , that pivotal moment would not only alter my perspective but also chart my life’s course.” 

Crafting a compelling thesis statement for your introduction paragraph is crucial to grab your reader’s attention. To achieve this, avoid using overused phrases such as “In this paper, I will write about” or “I will focus on” as they lack originality. Instead, strive to engage your reader by substantiating your stance or proposition with a “so what” clause. While writing your thesis statement, aim to be precise, succinct, and clear in conveying your main argument.  

To create an effective essay introduction, ensure it is clear, engaging, relevant, and contains a concise thesis statement. It should transition smoothly into the essay and be long enough to cover necessary points but not become overwhelming. Seek feedback from peers or instructors to assess its effectiveness. 

References  

• Cui, L. (2022). Unit 6 Essay Introduction.  Building Academic Writing Skills . 
• West, H., Malcolm, G., Keywood, S., & Hill, J. (2019). Writing a successful essay.  Journal of Geography in Higher Education ,  43 (4), 609-617. 
• Beavers, M. E., Thoune, D. L., & McBeth, M. (2023). Bibliographic Essay: Reading, Researching, Teaching, and Writing with Hooks: A Queer Literacy Sponsorship. College English, 85(3), 230-242. 

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Solar Energy Essay

500 words essay on solar energy.

Solar energy is the energy which the earth receives from the sun which converts into thermal or electrical energy. Moreover, solar energy influences the climate of the earth and weather to sustain life. It has great potential which we must use to our advantage fully. Through the solar energy essay, we will look at this in detail and know more about it carefully.

Importance of Solar Energy

Solar energy is very important as it is a clean and renewable source of energy. Thus, this means it will not damage the earth in any way. In addition, it is available on a daily basis. Similarly, it does not cause any kind of pollution.

As it is environment-friendly, it is very important in today’s world. It is so much better than other pollution sources of energies like fossil fuels and more. Further, it has low maintenance costs.

Solar panel systems do not require a lot of solar power energy. Moreover, they come with 5-10 years of warranty which is very beneficial. Most importantly, it reduces the cost of electricity bills.

In other words, we use it mostly for cooking and heating up our homes. Thus, it drops the utility bills cost and helps us save some extra money. Further, solar energy also has many possible applications.

A lot of communities and villages make use of solar energy to power their homes, offices and more. Further, we can use it in areas where there is no access to a power grid. For instance, distilling the water is Africa and powering the satellites in space.

Get the huge list of more than 500 Essay Topics and Ideas

Uses of Solar Energy

In today’s world, we use solar energy for a lot of things. Firstly, we use solar power for many things as small as calculators to as big as power plants which power the entire city. We use the most common solar power for small things.

For instance, many calculators use solar cells to operate, thus they never run out of batteries. Moreover, we also have some watches which run on solar cells. Similarly, there are also radios which run on solar cells.

Thus, you see so many things run on solar power. All satellites run on solar power otherwise they won’t be able to function. Moreover, large desalinization plants make use of solar power if there is little or no freshwater.

In addition, many countries have solar furnaces. We also use solar power commercially and residentially. You will find its uses in transportation service too. In fact, soon, solar powers will also be out on the streets.

Conclusion of Solar Energy Essay

To sum it up, solar energy is a cost-effective means of energy which is quite useful for people that have huge families. When we install solar panels, we can get solar energy which will reduce electricity costs and allow us to lead a sustainable lifestyle. Thus, we must all try to use it well to our advantage.

FAQ of Solar Energy Essay

Question 1: What is solar energy in simple words?

Answer 1: Solar energy is basically the transformation of heat, the energy which is derived from the sun. We have been using it for thousands of years in numerous different ways all over the world. The oldest uses of solar energy are for heating, cooking, and drying.

Question 2: What are the advantages of solar energy?

Answer 2: There are many advantages of solar energy. Firstly, it is a renewable source of energy which makes it healthy. Moreover, it also reduces the electricity bills of ours. After that, we can also use it for diverse applications. Further, it also has low maintenance costs.

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113 Renewable Energy Essay Topic Ideas & Examples

🏆 best renewable energy topic ideas & essay examples, 👍 good essay topics on renewable energy, 💡 interesting topics to write about renewable energy, ❓ questions about renewable energy.

• Solar Energy Installation Project Management 0 Pilot solar energy project Managers will run a pilot project to determine the feasibility of the project. A number of resources will be required to complete the project.
• Renewable Energy Sources: Existence, Impacts and Trends It is important to note that about 20% of the world energy sources come from renewable sources. The management and maintenance of renewable energy production may be in the short run or long run.
• Adopting Renewable Energies Proponents of fossil fuels assert that while alternative energy sources purport to be the solution to the problems that fossil fuels have caused, alternative energy sources can simply not cater for the huge energy needs […]
• The Benefits of Renewable and Non-Renewable Energy This research paper seeks to describe renewable and non renewable energy sources, their effects on the environment and economic benefits.”Fossils fuels are one of the most widely used sources of energy”.
• Biofuel: Renewable Energy Type The purpose of this essay is to discuss this statement and evaluate its accuracy in accordance to the latest studies, as well as the pros and cons of biofuel in general.
• Using Solar (PV) Energy to Generate Hydrogen Gas for Fuel Cells With the current technologies, an electrolyzer working at 100% efficiency needs 39 kWh of electricity to liberate 1 kg of hydrogen.
• Renewable Energy: Geothermal Energy Of all these forms of renewables, geothermal energy is perceived as one of the renowned forms of renewable energy which is generated from the crust of the earth.
• Solar Energy in the United Arab Emirates The success of the solar power initiatives in the UAE is largely attributed to the wide range of financial incentives that the UAE government has offered to the companies that are prepared to advance the […]
• Advantages and Disadvantages of Wind Energy Another advantage is the fact that most of the turbines that are used in the generation of wind power are located in ranches, and on farms.
• Wind Energy as Forms of Sustainable Energy Sources T he only costs to be met in producing wind energy is the cost of equipment for harnessing wind, wind turbines for converting the energy and photovoltaic panels for storing energy.
• Solar Energy in the UAE It is important to note that the nature of the solar field is modular, and that it has a number of parallel solar collector rows.
• Climate Change and Renewable Energy Options The existence of various classes of world economies in the rural setting and the rise of the middle class economies has put more pressure on environmental services that are highly demanded and the use of […]
• Renewable Energy Sources Thus, the establishment that the use of fossil fuels adversely affects the environment is important in explaining the shift to the use of renewable energy sources.
• Wind Energy: The Use of Wind Turbines One of the most promising is wind energy, specifically the use of wind turbines to produce clean and renewable energy. The only problem is that it is more expensive to build large wind turbines.
• New Techniques for Harnessing Solar Energy Due to the scarcity of fossil fuels and the expenses incurred in the mining of fossil fuels, it is important that we find a new source of energy to fulfill the energy needs of the […]
• Investment in Renewable Energy Sources Thus, it is possible to say that climate crisis can prove to be a catastrophe that can profoundly influence people living in various regions of the world; more importantly, the existing policies are not sufficient […]
• Renewable Energy: Comparison Between Biogas and Solar Energies Again, the research finds that the cost of installation is higher compared to solar energy sources. However, the paper is going to compare solar and biogas energy sources.
• Can a Switch to Renewable Energy Sources Help Combat Global Warming? This paper will argue that since fossil fuels have been the primary contributors to the global warming problem, a switch to renewable energy sources will help to mitigate global warming and possibly even reverse the […]
• Usage of Renewable Energy in Saudi Arabia Energy system stability for the year 2010 In the Table, the Potential for adopting CSP in the Kingdom for the year 2010 rated 124,560 TWh and has a capacity credit of 90%.
• Climate Change: Renewable Energy Sources Climate change is the biggest threat to humanity, and deforestation and “oil dependency” only exacerbate the situation and rapidly kill people. Therefore it is important to invest in the development of renewable energy sources.
• The Role of Renewable Energy in Addressing Electricity Demand in Zambia In this regard, ZESCO Limited, the Zambian power utility company, has an obligation to generate and supply the electricity in the country.
• Barriers to Deploying Renewable Energy in Hotels The main benefit of renewable energy is environmental protection, improving the environmental and social performance of the industry, and reducing utility costs.
• Renewable Energy: An International Profile To illustrate the severity of some of the outlined consequences and challenges presented to the national environment, the following graph is presented, illustrating the growth rate of the US fracking industry.
• “The American Recovery and Reinvestment Act”: Developing Renewable Energy The focus of this bill on the technological aspect of environmental protection is seen in the allocation of funds on loan guarantees, grants for researchers, and the manufacturing of advanced systems.
• Technology and Wind Energy Efforts by the elite members of the society enlightened the global countries about the benefits of renewable energy sources in conserving the environment prompting the need to consider wind energy.
• Efficient Solar Refrigeration: A Technology Platform for Clean Energy and Water Refrigeration cycle capable to be driven by low grade energy, substituting gas-phase ejector used in conventional mechanical compressor.
• Non-Renewable Energy and Gross Domestic Product of China The use of non-renewable energy in China has the negative impact on the GDP, as indicated by the negative values of DOLS and CCR coefficients. The generation of renewable energy has a negligible negative impact […]
• Making Solar Energy Affordable Solar energy is a type of energy that is obtained through tapping the sun’s rays radiant and converting it into other energy forms such as heat and electricity.
• Government Subsidies for Solar Energy This approach has enabled solar companies and developers to penetrate the energy market despite the high costs involved in developing solar power.
• Electrical Engineering Building Uses Wind Energy The purpose of this fact-finding mission was to determine an appropriate type and rating of the wind turbine based on three factors: the average wind data at UNSW; the peak power demand for the EE […]
• The Sun’s Light and Heat: Solar Energy Issue The figure below provides an overview of the major parts of the solar system, which include the solar core, the radiative zone, the convective zone, the photosphere, the chromosphere, and the corona among others.
• Solar Energy: Review and Analysis Available literature shows that most commercial CSP plants in Spain and the United States using synthetic oil as the transfer fluid and molten salt as the thermal energy storage technology are able to achieve a […]
• Solar and Wind Energy in the Empty Quarter Desert However, the main bulk of the report focuses on the proposal to build a stand alone renewable energy source, a combination of a solar power wind turbine system that will provide a stable energy source […]
• Wind Energy for the Citizens of Shikalabuna, Sri Lanka The citizens of Shikalabuna are shot of the possibility to implement the required wind turbines and get a chance to pay less using the natural source available.
• Renewable Energy and Transport Fuel Use Patterns The base data is as follows: Table 1 The first segment of this analysis tests for differences between consumption of natural gas and ethanol.
• Renewable Energy Technologies As for the construction decision and the way of harnessing the wave power, a variety of solutions has been proposed. Cheap and reliable desalinization technology such as one described in the Economist article could be […]
• Solar Energy Selling Framework The list of actions to complete the required activity goes in the following sequence: planning actions, sales pitch itself, and reflection. The actions, aimed at doing are the four stages of a sales pitch, that […]
• Renewable Energy Ethical Question Despite the fact that the power of wind, sun, and water can be transformed into energy the great majority of people argue the importance of the renewable energy system implementation proving that the disadvantages should […]
• Renewable Energy Resources in Qatar The topicality of the problem is evidenced by current trends favoring the use of renewable energy resources and the necessity to avoid further deterioration of the situation in this sphere.
• The Solar Energy and Photovoltaic Effect The key difference factor of the solar cells is the material and technology that is used. Photon behavior in a solar cell is defined by the materials used and the construction of the cell itself.
• Solar Energy Project: Stakeholder and Governance Analysis The stakeholders on this issue are the central governments of the three countries, the local government bodies the industrial and business groups and the civil society groups interested on the issue.
• Canadian Renewable Energy Industry The profile of the renewable energy resource industry in Canada is likely to witness a big boost in the coming years.
• Solar Energy: Commercial and Industrial Power Source This is made further possible by the inspirational circulars related to the application of more solar energy in the state. This is one of the major participations that came in to the notice.
• Conceptual Chemistry. Wind Turbine vs. Coal Energy The current paper is aimed at considering and comparing traditional coal energy and the newly popular wind turbine energy in the context of their costs and environmental benefits.
• Solar Energy and Its Impact on Society He believed that the wheel was the extension of our feet, the hammer was an extension of our hands, and technology is the extension of our mind and mentality.
• Bismuth Vanadate Photocatalyst for Solar Energy 20 In the scheelite BiVO4, it is possible to find out a hybridized band structure with Bi 6s and O 2p orbitals.
• Renewable Energy and Politics Relationships The global regimes concerned with energy use and distribution call on states to stick to commerce when dealing with energy matters instead of mixing it with politics, but it seems the pleas are ignored given […]
• Solar Energy Power Plant & Utility Supply Contract The first assumption from the case above is that the advisement by SEPP to the US not to provide EEC certificates was made orally and was came after the contract had been signed.
• Renewable Energy in Saudi Arabia, Qatar and the UAE Adoption of solar power technologies would be extremely beneficial to Gulf countries, and it will help to address most of the issues related to resource shortages.
• Solar Energy Industry in the UAE The UAE International Investors Council insists that the sustainable use of the available financial resources, particularly, FDI, should be viewed as the foundation for enhancing the development of the state industries, especially as far as […]
• Wind Energy Feasibility in Russia In Russia, feasibility studies have been conducted to establish the viability of wind turbine projects. In conjunction with the problem statement above, the following aims have been formulated: To use the available and relevant data […]
• Innergex Renewable Energy Inc. at Canada’s Market The company’s mission is to expand the renewable energy production through the development and operation of their high-quality facilities, considering the need to preserve the environment and the necessity to balance the interests of the […]
• Google’s Driverless Cars and Renewable Energy Some of the firms are testing the technology with the application of low-powered green energy. The violations of the road regulations are not the only issue with the driverless car technology.
• Solar Energy: Definition and Ways of Usage Observers believe that the energy from the sun has the potential to satisfy the world’s energy requirements. Energy from the solar is free, and we can never deplete solar energy.
• Solar Energy Panels in UAE This report will examine the future of solar energy and the incentive schemes that can be put in place to develop the United Arab Emirates solar energy industry.
• How Solar Energy Can Save the Environment? Over the past few decades, the level of greenhouse gasses in the environment has been on the rise. The only cost in the production of solar energy is making the solar panels.
• Wind Power as an Alternative Energy Source Wind energy is a renewable source of energy that is an alternative to fossil fuel use, which is necessary for the conservation of the environment.
• Environmental Issues for Managers: UK’s Current Strategy on Renewable Energy & Technologies The renewable energy strategy of the UK entails escalating the utilization of micro-generation and lessening energy wastage. Barriers to Adoption of Renewable Energy and Technologies The main barriers to adoption of renewable technology in the […]
• Solar & Wind Sources: Hybrid Energy System Of the Australian capital cities, Darwin, Australia is the smallest and is located in the north-most part of the country. The following is the analysis of the factors to be considered.
• The Cost Efficiency of Renewable Energy The mentioned benefits as well as other objectives are the reasons why departments of energy around the globe highlight on the generation of electricity from the renewable sources.
• Legal and Political Factors of Renewable Energy Development To overcome these barriers the government has put in place various regulations and policies to facilitate the development of renewable energy.
• Environment and Renewable Energy A greater focus on renewable energy development is necessary in this day and age due to the various problems brought about by the use of fossil fueled power plants, which have caused not only an […]
• Technological Factors of Renewable Energy Development There are three reasons behind this: Renewable energy resources from a commercial energy standpoint are as of yet an unproven method of reliable energy production The means by which renewable energy is produced requires a […]
• Social Background of Renewable Energy Development According to Craddock, although some people believe that the development of renewable sources of energy is driven by the economic needs, the social force also plays an important role in increasing popularity of this form […]
• Economic Factors of Renewable Energy Development There has been a consistent increase in the price of a barrel of oil in the world market over the last fifty years.
• Producing and Transmitting Renewable Energy Complexity in producing and transmitting renewable energy is multifaceted and may be related to many factors, which hinder production and transmission of renewable energy to users.
• Renewable Energy Policies in Thailand Craddock defines renewable energy policies as “Regulations or incentives that are created to encourage the use of renewable energy, and the main purpose of these policies is to increase the production of renewable energy”.
• Solar Energy Houses’ Benefits In the same breadth, another advantage of the solar energy houses is that they reduce the emission of carbon dioxide through other processes.
• Is Renewable Energy a Viable Option? One of the most critical questions that majorities ask and the main hurdle to renewable energy is whether renewable energy can ever efficiently become a viable energy option relative to the traditional, ready available sources […]
• Economics of Renewable Energy This form of renewable energy has proven to be the best in the industrial sector. This means that the society has to look beyond the use of non renewable energy.
• Renewable Energy: Wind Generating Plant for the Local Community The financial department will deal with all the financial aspects of the project, while marketing department will handle the marketing of the energy source in the society.
• Wind-Based Energy Market The energy department in the U.S.has been able to discover and point a number of challenges and problems in the development of wind energy.
• Carbon Footprint and Renewable Energy The consumption of fossil fuels by the energy infrastructure is one of the greatest sources of greenhouse gases which are responsible for recent global warming and climate change concern. This is the increase in the […]
• Science and the Use of Non-Renewable Energy Resources It is scientific knowledge that the use of fossil fuels such as oil leads to the pollution of the environment. This is the reason why science can be used to explain the lethal effects of […]
• Solar Energy Business Model Based in Melbourne Competitiveness The concentration of solar energy consultancy industry Industry concentration is a term used to define the measure of the number of organizations as well as the size of the organizations, which are considered predominant […]
• Abu Dhabi Wind Energy The report covers energy crisis in Abu Dhabi, wind energy as a potential source of renewable energy for Abu Dhabi, and recommendations.
• Wind Energy for Environmental Sustainability Production of this energy is important to the survival and enhancement of lives of people in a society. It refers to the role of that business or a corporate towards the society.
• Making Solar Energy More Affordable The use of solar energy can be critical for environmental and economic sustainability of many communities that can be located in different regions of the world.
• Renewable Energy Sources Summary Solar energy, wind energy, tidal energy and geothermal energy are the main renewable sources of energy. In an analysis of 2005 energy sources, it is evident that nuclear energy was the dominant energy source followed […]
• Wind Energy, Its Advantages and Disadvantages Reliable sources of energy need to be renewable; they include wind energy, solar energy and hydro-energy; wind energy is a dependable source of energy although it remains the least used among the available renewable sources […]
• Renewable Energy Co: Engineering Economics and TOP Perspectives of Renewable Energy in Canada The beginning of the twenty-first century reflects the concerns of people about the sources of energy, lack of power supply, and importance of reconsidering values and sources of energy that have been established in the […]
• Solving the Climate Change Crisis Through Development of Renewable Energy Thus, the threats of the climate change can be overcome with references to resolving the economic crisis with the help of orientation to the new sources of renewable energy, which can be discussed as beneficial […]
• Wind and Solar Energy as a Sources of Alternative Energy Fthenakis, Mason and Zweibel also examined the economical, geographical and technical viability of solar power to supplement the energy requirements of the U.S.and concluded that it was possible to substitute the current fossil fuel energy […]
• Water Pollution and Wind Energy Chemical pollution of water is one of the leading causes of death of aquatic life. It is thus evident that chemical pollution of water not only has negative effects on health, but it also substantially […]
• Evolution of Solar Energy in US The policy of solar energy in the US is established by the federal, public entities and the state that addresses energy issues of production, consumption like the standards on gas mileage.
• Is Solar Energy Good for the State of New Jersey? The state of the New Jersey is second to California in terms of the use of solar energy. As people are waking up to the reality that the limited world’s resources are increasingly being depleted, […]
• The Use of Solar Energy Should be Adopted in All States in the U.S. The emphasis on renewable sources of energy has been enhanced by the fact that the limited world’s resources are increasingly being depleted; thus, the states have adopted the use of solar energy so as to […]
• What Energy Is Renewable?
• What Is the Cleanest Renewable Energy Source?
• How Does Renewable Energy Work?
• What Are the Types of Renewable Resources?
• Is Renewable Energy Healthy?
• What Are the Benefits of Renewable Energy?
• What Are the Cons of Renewable Energy?
• What Is the Most Powerful Renewable Energy?
• What Affects the Development of Renewable Energy Power Generation Projects in China?
• Can the World Be Powered Fully by Renewable Energy?
• How Safe Is Renewable Energy?
• Why Is Renewable Energy Not Popular?
• What Are the Most Renewable Energy Sources?
• How Renewable Energy Can Change the World?
• What Drives Renewable Energy Development?
• What Role Can Renewable Energy Play for North Africa and the Middle East?
• How Does Renewable Energy Impact Carbon Emissions?
• What Will the Situation for Renewable Energy in Europe Be in 2030?
• What Is the Main Problem With Renewable Energy?
• How Efficient Is Renewable Energy?
• Can Renewable Energy Be Overused?
• Why 100% Renewable Is Not Possible?
• Which Country Has Highest Renewable Energy?
• What Are the Effects of Renewable Energy?
• What Is the Safest Energy Source?
• Chicago (A-D)
• Chicago (N-B)

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Renewable Energy: All You Need to Know

What is “Renewable Energy” and where does it come from? We all think we know and some of us may even be able to name some of the most prominent sources of renewable energy, but do we really understand the purpose of each type (such as how and where it is used), how much energy it can generate or its wider economic or benefits? Here, we attempt to cut through the fog and give a clear and decisive summary of the information presently available on renewable energy and associated technologies. Put simply, renewable energies are those generated from sources that do not have a finite end, or those that can be recycled (1) , typically from natural sources - like solar power, wind power and water power. These are the examples that we think about most when we hear the term “renewable energy” but they are not the only sources.

We use energy every day of our lives - our electronic devices require electricity for power, our streetlights need the same for lighting, our vehicles require gasoline and diesel. We fuel our homes with domestic oil, propane or electricity from a national or local grid for lighting, heating and for powering our devices. You're reading this article on a website that is hosted on a server that needs power, as does the computer with which you are viewing the site. The places we work use computers, phone networks, security systems and servers, as do our shopping malls, parking lots, sports stadiums, cars, airplanes and so on. All of these things require power from fuel.

A History of Renewable Energy

It may or may not come as a surprise to learn that before the discovery of coal deposits around the time of the Industrial Revolution, most of the energy we used for lighting and heating was from renewable sources - with one or two exceptions. Then we discovered coal, which fueled the industrial revolution in the western world, and later still learnt to tap oil in greater quantities leading to an acceleration of technologies that would take us into the 20 th century. Throughout most of human history and pre-history, we burned what would today be known as “bio mass”: plant material such as wood, grass, mosses and so on, to fuel our hearths and later, homesteads. It became an important fuel source, hence why the hearth and the fireplace was central to homes until relatively recently.

From one perspective, the discovery and utilization of fire is a history of civilization, and a history of the use of renewable energy (4). Humanity continued in that fashion for many thousands of years before the discovery of oils (though obviously in smaller quantities than later) in antiquity and the mass drilling of oil during the industrial age. Other uses of renewables in antiquity include animal power (using cattle to drive ploughs or turn millstones) and wind for the sail that has driven trade for some 8,000 years of human history. The use of water sources, such as creating dams to harness the power of the fluid motion of water, is not a new idea either.

It was in the 1970s that we began to look back towards some of these ancient methods and technologies to provide the power sources of tomorrow. Peak oil and peak coal was theorized as far back as the 1870s. Remarkably, even during the Industrial Revolution, some thinkers were theorizing on and developing concepts of solar technology (5) to prepare for a post coal world. The reason may have changed, but the thinking has not as many of the modern developments are for a post oil world. We have known since early in the process of mass mining of coal and oil, that there would be a peak and a time when these resources ran out. Theories and investment in solar technology lasted until the outbreak of WWI. Even in 1912, a paper in Scientific American hypothesized that soon, fossil fuels would run out leaving solar power our only option (6) .

The concept of peak oil in the 1950s began a new drive towards renewables. Solar, hydro and others were seized upon by both environmentalists and industrialists. They were both equally concerned about the exponential growth in human population, in oil consumption, and realized that it is a finite resource and will run out (7) regardless of the size of the supply today. A growing environmental movement, the development of environmental sciences and a push against pollution (such as the Clean Air Act in the US and equivalents in other countries most of which passed in the 1960s-1970s) meant that more than ever before, renewable energy became not just a scientific innovation for the future, but a necessity.

Since then, there have been successive debates about whether we have reached peak oil. Many experts agree that it happened around 2008 (8) . New pockets are getting fewer and fewer and smaller and smaller. Shockingly, demand has outstripped supply since 1986, spurring on economists, scientific researchers and environmental campaigners to hasten its demise by campaigning that what is in the ground to remain in the ground. Instability in oil-producing countries has led to fluctuations, particularly since the 1990s, and that has brought another issue to the world's attention - energy security.

Energy security has been a major concern to world leaders since the end of the 20 th century, but even more so since the beginning of the 21 st century. The term refers to the link between each country's national security, and the availability of that country to resources for energy production and consumption. If a country loses, or finds it has restricted access, to oil and other resources, instability is likely as energy is rationed. Energy security can be the result of armed conflict or political instability in gas or oil-producing countries, or a buying country having access restricted when a producing country deliberately cuts a supply.

Renewable Energy: The Figures

According to a report by the International Energy Agency, the increase of amount of electricity produced from renewable sources increased from just over 13% in 2012 to 22% the following year. They also predict that that figure should hit 26% by 2020 (9) . In terms of total generation, renewables accounts for 19% of our present usage. More clearly needs to be done though for the reasons stated below, but these figures are encouraging from the perspective of the use of renewables on its own. Most long-term forecast models predict that use will triple between 2012 and 2040, with a greater amount should the planet hit 2⁰ of warming.

We can break these figures down even further and look at the divide between renewable energy types. These are:

• 9% from biomass
• 2% as non-biomass heat energy
• 8% from hydro electricity generation
• 2% of electricity generated from geothermal, biomass, wind and solar power

There is still much to do though; between 2000 and 2012, the largest growth area in terms of resources was coal - easily the dirtiest form of fossil fuel. The most used resource amid fluctuating price coupled with what we now understand to have been over-production for several years, was oil.

Domestically, the US produces just over 13% of its electricity from renewable sources (10) . As one of the world's largest consumers of energy (at 11.4kw per person per year) and consuming around 25% of the world's production every year, the situation in the US is immediate. Exponential growth of production in China, and equal exponential growth in coal mining there, should not be permitted to outstrip renewable use and it seems we are winning that particular battle; a UN report concluded in 2015 that renewable technology is now being produced on an industrial scale (11) .

There is a large disparity of energy production by state in the US with some producing a lot more than others. If we look at the map of energy production below ( https://www.energy.gov/ ) we can see just how much variation there is between the 50 states.

Wyoming was reported as the lowest producer / user of renewable resources. The state has a long history of coal production and some 33% of the country's coal supply comes from this single state. It also produces around 6% of the country's natural gas supply. 0.34% of its total energy supply came from renewable sources, but also 11% of its electricity generation (13) . Wyoming's source of renewables is wind power. The story is similar for Alaska where the oil rich areas means a large supply of diesel to fuel the generators on which many state residents reply, though geothermal energy supply is also a boon for the state.

Why Do We Need Renewable Energy?

Fossil fuels are limited.

The first and main reason for why governments and businesses are keen to move to renewable energies as soon as possible is that fossil fuels are a finite resource. We may or may not have reached peak oil - the point at which demand outstrips supply -and by current figures, many experts seem to agree we did so around 2008 with only external factors creating fluctuations in demand making it difficult to predict precisely when it will run out. That is another debate entirely that our politicians and economists have argued for decades, and will continue to argue (14) for many years to come. Whichever way we look at it, fossil fuels will run out eventually and it will take some 10,000,000 years to replenish what we have used in around 150 years.

As the human population increases, our rate of consumption of these fossil fuels also increases. Geologists and others whose job it is to locate and access these pockets of crude oil are finding it increasingly difficult to locate and extract new sources. Whether we have 1 year or 100 years left of oil, many argue that what is left should remain in the ground because it is not sustainable - it will run out eventually and so we should prepare for a post-fossil fuel world now.

Carbon Emissions & Climate Change

The most immediate problem, particularly in light of the COP21 agreement of 2016, and the changes we have seen to the climate in the last 150 years, is climate change and the carbon emissions that are forcing it (19) . In the last few years especially, no part of the world has been untouched by freak weather conditions. Most continents have recorded record high temperatures in summer, record lows in winter and increased frequency of typhoons and hurricanes, record dry spells, drought and flooding. There is no doubt that these freak weather conditions are affecting every country (15) .

Most renewable energy sources, and the technology used to harness them, are low carbon emission. In most cases, once installed they have minimal or no carbon output and can still provide our energy needs. We can never go fully carbon neutral as it takes resources to make a solar panel, build a dam and so on, but it is a critical and significant reduction of our carbon output. What we do need to do, is to take the steps we can to reduce our carbon footprint for international regulations, to help those in the developing world, and to protect ourselves against the freak weather. We also know that the ice caps are melting and the sea levels are rising which creates food shortages and national instability as well as being an expensive situation for our insurance.

Energy Security

Energy security is a relative newcomer to public perception when we consider the greater need for renewable energy (19) . The beginning of this decade has seen instability in the Middle East. The Arab Spring swept across Algeria, Tunisia, Libya, Egypt and Syria leading to pro-democracy demonstrations. There are ongoing problems in Syria with the rise and spread of ISIS. Why have these political issues in other parts of the world encouraged the rest of the world to think about its energy plan?

The Middle East is one of the biggest suppliers of oil to the world. South America also produced oil, North America and South America supplies coal and the UK, Russia and other European Atlantic powers mine for gas. New tension between Russia and the west, firstly over Ukraine and secondly over Syria, has led to increased distrust between world powers. Being dependent on other countries for our energy supply is problematic in itself, but when international relations between supplier and supplied sour, increased wholesale prices threatening to destabilize the economy is the least that could happen (16, p5) . If a supply is cut off, then disaster could strike. For this reason alone, we need spare capacity and multiple avenues of energy acquisition.

Energy security will become a much greater factor as fossil fuels begin to dwindle. More than ever before, demands on energy supply often outstrip supply of conventional production forcing prices up (3) . It is expected that increased tension over acquisition and protection of resources could lead to global conflict. Some are already arguing that the crisis in Syria is less about campaign for democracy reform in a major Middle Eastern power, and more a result of ongoing regional climate crisis. Former farmers who have fled to Europe and beyond have cited drought as the major catalyst for the civil war in the country (17) .

The price of oil has fluctuated greatly in the last 10-15 years - from an all-time high in 2012 to 2013 to record lows in 2015 to 2016. Oil prices have a knock on effect for the economy when they are at the extreme and lead to protests (18) . We must remember that oil is a commodity and when prices are erratic, it affects jobs all over the world.

Economic Stability

Related to some of the issues mentioned above, where renewable energy offers a constant and sustained supply (such as hydroelectric, wave power, solar and biofuels), energy prices are likely to remain stable and in turn, keep the economy stable (20) . In many cases, energy produced from renewable sources is already cheaper than that produced by non-renewable means. Mentioned above, Idaho produces a large amount of energy from geothermal sources. Another example is Texas where energy produced from wind power is noticeably cheaper for the state's citizens.

Environmental Damage

As fossil fuel supply gets harder to acquire, and prospectors search for new pockets of oil and have to drill longer and deeper to acquire it, there has been conflict between environmental groups and industry (21) and between governments and both groups (22) when local wildlife and environmentally sensitive areas are threatened. Here in the US, public consciousness and the need to protect our wildlife and natural landscapes means that many new developments are protested with concerns of environmental damage. Ongoing protests against fracking and new drilling in Europe and North America and recent examples. Though some renewables will have an environmental impact, many do not and when built, have no further impact - unlike ongoing drilling.

Public Health

Oil, gas and coal drilling and mining have high levels of pollution that are pumped into local environments and the wider atmosphere, so while protestors attempt to prevent the building of pipelines or new prospecting in virgin areas and wilderness, it is as much about public health as it is about conservation. We have known for decades about the knock on effect of industrial processes for public health (20) . Few renewables are entirely emission-free, but their output is much lower than conventional fossil fuel acquisition and processing.

Learn more about public health degrees and public health careers .

What are The Renewable Energy Types?

Renewables are by definition unlimited, but it is important to note that not all forms are environmentally friendly. Here, we look at some of the most common types of renewable energy and discuss their advantages and limitations.

Hydroelectricity

Using water's motion power to generate electricity is not a new concept; we have been doing so for around one hundred years and most countries have some form of water generated electricity source. There are two basic forms of using water for green energy needs. Hydroelectricity is produced by processing and controlling the flow of water through a dam. This is one of the most encouraging forms of renewable energy. Globally, it generates some 3,500 terawatts of power and has increased year on year since 2003. Hydroelectric power is likely to be one of our most common forms of energy production in the next few years and in the post oil world (23) .

What are the Advantages of Hydroelectric Power?

Hydroelectricity is one of the lowest cost forms of energy as it requires no fuel; this means no mining, no processing, and no transportation cost. It was estimated in 2010 that the average cost of a kilowatt-hour of energy produced by hydroelectricity was 3-5c (23) .

It is one of the cleanest forms of energy. Though the construction process of building and maintaining a dam will mean carbon emissions, this is the only output - still a significant reduction over the burning of fossil fuels (24) . The relative cheapness of construction and maintenance, and the low cost of generation means it is used increasingly in both the developed and the developing world.

Finally, dams do not exist purely for their energy generation; they have many uses today. Flooding and drought are a major cause for concern with many countries having suffered both in recent years, often one season after another. Dams regulate water supply during floods and maintain water supplies during a drought (25) . Building Aswan Dam may very well have prevented drought in Egypt in the 1980s when countries around them (Sudan, Ethiopia) suffered horrific drought.

What are the Disadvantages of Hydroelectric Power?

Hydroelectricity and dam building does not come without cost and it's important that environmental engineers and decision makers keep this in mind when planning the siting of a new facility. Building a dam destroys an area of landscape and changes the ecology downstream (26) , this cannot be avoided, even where there is an extant river that is being modified. Dam building can and does destroy important cultural landscapes too. Using Aswan Dam as an example again, the river valley flooded to create the high water table that would sit behind the dam destroyed an important archaeological landscape. Although many relics were saved and features recorded, and the international community came together to move Philae Temple block by block, the cultural landscape around the original site was lost forever (27) .

In tropical areas, higher levels of methane output have been recorded from and around the reservoirs; this has been put down to the higher levels of anaerobic chemical processes (28) . It's important to note that methane output is much lower in more temperate areas.

Finally, the potential for failure of a dam is catastrophic. Should it burst, any settlement in the valley below would be flooded, leading possibly to loss of human life, destroyed houses, disrupted power supply to all the homes affected and possibly flooding of the winder landscape beyond, more ecological damage, more loss of human life. Thankfully, burst dams are rare and when they do occur, usually cause minimal disruption.

Tidal Power

Tidal power is not yet common but it has been demonstrated that it is possible to generate electricity at sea by reacting to the ebb and flow of the oceans. This a common form of power generation across the Atlantic, in the eastern US states and Western Europe (with the UK being one of the early developers thanks to the high tidal ranges around the Orkney Islands). Its take up has not been wholesale elsewhere yet for a number of reasons. Tidal power generators come in four general types (29) .

• Stream generators use the water flow to power a turbine which then generates electricity.
• Tidal barrage uses small dam like structures alongside natural features under water that seize the potential energy as the water flows in and converts it to mechanical energy as it flows out.
• Tidal lagoons are still in development, but they work in a similar fashion to the barrage but are completely artificial.
• Dynamic tidal power is still theoretical and has not been tried, but requires the building of dams that are tens of kilometers long to regulate water flow.

What are the Advantages of Tidal Power?

The first major advantage is that tidal power is more predictable than other well-known renewable systems such as wind and solar power thanks to the natural relationship between The Moon and the Earth. The pattern of the tides is predictable to a high degree of accuracy, a system on which we have been reliant for thousands of years of human existence. We have accurately measured these systems that people living in coastal areas where there is more than a minor variation, know the high and low tide times. This has always helped plan a number of maritime functions and now it is helping us begin to generate electricity (30) .

The second advantage is that the volume of water on the planet is fairly constant and unlikely to run out, even without a significant temperature rise way beyond the 2-3⁰ predicted by climate scientists at present. Melting ice caps is not likely to affect these tidal ranges by a great degree, as the Moon is the only influencing factor on the fluctuations.

The third and most important is the low input to high output production. The density of water and its tidal motions means that we can, in theory, produce a lot of energy even from low wave activity. Choppy seas and stormy weather is not required to generate massive amounts of energy (30) .

What are the Disadvantages of Tidal Power?

The technology has largely not been taken up due to high cost (29) . It is mostly still in development stage so some authorities are reluctant to invest in the technology while there are still cheaper alternatives available.

As mentioned above, the technology is limited to those areas of the world with a wide variation in its tidal range to warrant harnessing the power of the sea - this includes the eastern seaboard of North America and Western Europe but few other places (31) . The overwhelming majority of coastal sites will not be suitable for this technology.

Underwater ecologies are just as delicate as land ecologies and any intrusion into the seabed or disruption to the natural marine landscape is going to affect the wildlife and alter it forever; what's worse is it seems that we don't know what (if any) long term effects are on the marine ecology (30) .

We can be pedantic and point out that the sun is not renewable, that it has a finite end - but the fact that it has some 4.5bn years of life left in it is not a major or immediate cause for worry. Solar power is arguably one of the best-known renewable energy sources and many argue that solar power should have been more common much earlier than it was. Interest began in the 19 th century with the same people who understand that coal would eventually run out. Heavy investment in fossil fuels meant that it went undeveloped until the late 1970s when instability of oil supply began again (1973 Embargo and 1979 Crisis) (32) . Also, growing environmental awareness and the prominence of peak oil meant we once again need to look for cleaner energies. There are two basic types of solar energy:

• Photovoltaic : These are the most common form and have always been, but the new breed that have been in development since the year 2000-2005, and that which are now increasingly common on top of our homes, use the same basic technology as that used in the 1970s and 1980s. Each cell converts the light of the sun into electrical energy, which can then be used to power electrical devices (33) .
• Concentrated Solar Power (CSP) : If you have ever seen a solar array using a large number of curved panels, it is most likely this type of technology. They may look similar to PV, but they work differently in that they draw in a concentrated beam of sunlight, reflecting it through a system of mirrors. The resulting heat generated by the process activates a turbine that produces electricity through a conventional generator. Where PV produces energy from light, this produces energy from heat.

What are the Advantages of Solar Power?

The most obvious advantage (35) is that it will last as long as the sun will last - which is billions of years against the maximum 70-80 years that we believe is the remaining life span of our oil supply, and against the several decades of gas and coal. It is a very flexible energy source and not only can it generate electricity, but can be used to heat water directly, and is a source of light.

As it will be an important form of our energy supply in years to come, it is constantly under development. Investment in better technologies is likely to lead to more efficient systems in future.

What are the Disadvantages of Solar Power?

There are three major disadvantages (35) to solar. Firstly, their efficiency drops during cloudier days, during the winter when there is less sunlight generally, and during storms. Though the PV systems of today are far more efficient than they used to be, there is still a way to go. If you live in warmer and sunnier climes (such as California, Texas, Arizona and so on) you are likely to get more efficient use out of them than you would living in the northern states or places in the world where there is less sunshine.

The second disadvantage is that you need to consider careful placement. The rotation of the Earth doesn't need to be explained here beyond the understanding that the sun does not remain in the same place all day. It rises in the east and sets in the west. Unless you have an expensive system by which to rotate your panels, or panels on every slant of your roof to capture sunlight at every stage of the day (and most don't because both systems would be expensive) your PV paneling will be less efficient at certain times of the day.

The third is what to do with all that energy and power to get maximum efficient use of the energy that the PV panels capture. You may purchase batteries to stop all that energy going to waste, but these can be expensive even if it is energy efficient. What most people do though is use energy generated from solar sources during the day and use grid power at night - for the environmentally conscious person this could be counterproductive for what they are trying to achieve.

There are few countries in the world that do not use wind-generated energy. Often subject to campaigns to have them shut down or planning permission refused, to many they are a blot on the landscape that ruins a perfectly attractive natural view. To others, they are a great way of harnessing an unlimited resource generated by the natural processes of the planet's weather systems. We have captured the wind for thousands of years - it drove our ships until relatively recently, and in many places still grinds our wheat into flour.

The same principle is behind the generation of electricity through the turbines of wind farms. At sea or on land, these giant spinning windmills capture the power of the air around it. Some countries have made a national industry of generating its power from wind. In 2015, Denmark broke its own world record by producing over 40% of its national power from wind energy (36) . Wind power is far more popular in Europe than in North America, with nearly have of the global capacity produced across various European countries. Many of these are at sea where most of the wind power is produced.

What are the Advantages of Wind Power?

The advantages of wind power are well-documented (37) . Firstly, wind is a constant as it is part of the planet's natural weather cycles. There is nowhere on Earth untouched by wind, not at sea or on land. There is greater levels of wind at sea as the topography does not act as wind breaks as it does on land, this means greater potential to harness energy and most wind farms are at sea. This is a potentially limitless source of energy if it can be properly harnessed.

Despite jokes about meteorologists always getting it wrong, the weather is predictable and certainly within a day or two. This means that turbines can be altered for maximum efficiency of use to generate as much energy as possible. Because it is efficient, it is also very low cost compared to most others - including other forms of renewable energy, arguably the cheapest form available. They can also be placed in rural areas on ranches, where they make minimal impact on the land.

What are the Disadvantages of Wind Power?

The optimum siting of wind farms is often counterintuitive to the needs of the people that will use the energy it generates (37) . Wind sources are best out at sea where there are no cities, and on large, expansive plains (here in the US on large, expansive, flat ranches) which are far from the settlements that will need it. That means there needs to be great investment in an infrastructure to transport the energy from the place of generation to the place of consumption if we are to use wind power as a major power source.

Like solar power, wind energy generation is not constant and varies from season to season and even day to day, even though periods of low and high wind can be easily predicted. This means that warm, dry summers with very little wind means that other sources of energy generation will be needed to make up any potential shortfall (38) .

Energy from wind generation is also geographically limited. As mentioned above, the best places are at sea and on vast plains. There are areas where they are completely unsuitable such as in mountain valleys and in urban sites where natural and artificial structures will shield any turbines from wind capture. On top of mountains may be a good place, but the wind must be strong enough to warrant placement. Poor placement could be a hindrance and not an advantage to power generation.

One of the most intriguing concepts of renewable energy, and one being used in the US today, is harnessing heat from under the surface of the planet produced as a result of geological processes such as natural heat loss, volcanic activity, or from perfectly normal and safe processes such as radioactive decay (39) . We have used the heat of the Earth for centuries; hot springs all over the world have been places of spiritual significance and centers of settlement. Indeed, one of the first examples of this form of energy is in the Roman city of Bath in England. Not only were the hot springs a source of the famous public baths in the city, but they were used to warm local houses and to provide a constant supply of hot, clean water to the city's population.

We have come a long way since then, and today there are many geothermal power processing plants across the world providing clean energy to local areas. In the US, the most significant states that use geothermal power are Idaho, Hawaii, Alaska and Nevada (39) mostly as a result of harnessing volcanic and tectonic processes.

What are the Advantages of Geothermal Power?

Geothermal energy is one of, if not the , cleanest form of energy production available. We are feeding off the heat generated by the natural motions of the Earth as it spins on its axis. The planet is a hotbed of geological activity that is constant and renewable. It only produces as much greenhouse gas as it would produce anyway, so there is no increase in the carbon footprint when harnessing this power source (40) . Lower production cost also means lower maintenance costs and lower end cost to the consumer. Multiple studies have shown that geothermal energy is one of the cheapest forms presently available.

Many consider this a great answer to our growing energy needs. Though big power plants supply towns and cities, it is possible for houses to install their own simple geothermal power system that will only have minimal impact on the ground beneath the surface. These simple units available for the home vary in terms of usefulness and efficiency, but it is possible for every home in the US to have one, simply drawing off the heat from below ground (41) .

What are the Disadvantages of Geothermal Power?

The major disadvantage of geothermal power is that for the most efficient use, they are geographically limited. The best use is from areas close to tectonic plate boundaries (40) and areas of high volcanic activity (41) . Where these are present, they can produce a limitless supply of energy that will not deplete the more reliant we become on it, but in other areas it may not be particularly intensive, nor profitable. It may not be the best source of energy in parts of the world with little to no volcanic activity and in a temperate climate.

While the harnessing of such energy does not produce greenhouse gases in itself, we must remember that a large volume of carbon, methane and other harmful gases do exist beneath the surface. Locally, there is potential for major environmental disaster should these be released as a result of feeding off the geothermal energy; globally, we are trying to reduce the amount of GHG released into the atmosphere (40) . Any increase would be unintentional, but counterproductive to a cleaner, greener world nonetheless.

There is a heavy upfront cost that could mean initially, that energy produced as a result of this process would be relatively expensive to the end consumer. Building large geothermal energy harnessing complexes can be expensive and intense, and maintenance costs may be high (41) . That said, in the long run it will still be a cheaper alternative than dwindling fossil fuel sources.

Biofuel & Biomass

Biofuel is the production of the types of fuel we use in our vehicles (though normally and typically diesel) from plants or other organic matter rather than from the fossil fuels extracted from the ground. Biofuels are produced in one of two ways:

• Directly processing a raw plant material, such as extracting its natural oils, and processing it into a type of fuel
• Extraction of residues or decomposing matter as a result of natural anaerobic processes (such as broken down by bacteria or algae into an alcohol substance - bioethanol)

Biomass is different from biofuel in that it is waste organic material such as wood and other plant matter, and not a derivative byproduct that results from processing. Biomass is chopped wood (logs and kindling), grasses, leaves, brush and scrub, and other raw organic material that may burn and produce energy, including manure and animal dung. In the past, and indeed in areas where there are few trees to burn as fuel (Arctic Circle) people may burn bone or as a source of fuel (42) .

What are the Advantages of Biofuels and Biomass?

Whether burning the organic material itself or resulting substances that are processed from the breakdown of the raw organic material, as it is organic it is renewable. These are not a finite resource so long as we continue to plant vegetation to replace that which we harvest (43) . Thankfully, there are now laws in many countries to ensure that deforestation does not happen on the sort of scale we used to see - even though in some places it is still very much an ongoing challenge to prevent further deforestation in environmentally sensitive areas (Brazil and Borneo for example).

Flexibility of source is a considerable advantage for biofuels and biomass, especially when producing liquid fuels such as ethanol. Different topographies are suitable for different types of crop, which means that most countries should be able to produce biofuels - it is not limited to one crop type. You can easily produce it in temperate areas of the US as you could in more tropical or arid locations. Also, anything organic will burn and produce energy as it request resource investment to grow - a food supply, water supply and sunshine to photosynthesize.

The other obvious advantage on a slightly related note, is localizing supply and not being dependent on international trade for fuel. Biofuel or biomass that is produced in a shorter radius will have a much lower carbon footprint for having eliminated the transportation process of getting fuel from source to consumer, and of course increases energy security (44) .

What are the Disadvantages of Biofuels and Biomass?

To many, biofuels are a stopgap at best until we can find something cleaner and greener than ethanol. The energy output of biofuels and biomass is much lower than conventional fossil fuels and much greater quantity is needed to produce the same energy output; this is counterproductive to the lower carbon emissions of the fuel type (45) . As a knock-on effect, more areas of land will be required to produce biofuels and biomass, meaning that we will need more land on a planet that is a finite size.

On a related note and one of the major contentions of the use of biofuel and biomass is how we can justify turning over virgin land to agriculture to supply the world with fuel and energy while half the world's (estimated) population still starves. Aside from the ethics, more pressure on the land will mean less space to produce food and higher food prices (46) , and more water use turned over to keep our energy needs supplied. By volume of land, biofuels and biomass production for the purpose of energy is simply not that efficient.

Renewables and the Economy

Any fundamental shift in technology is going to raise concerns about the economic impact of said technology. Typically, we hear questions similar to the following:

• How will people employed in existing technology sector going to be affected, will it cost jobs?
• Will this new technology require fewer jobs overall?
• How will we train the next generation to use / engineer this technology?
• What will be the economic impact on the local economy / the country / the world?
• How will the global market be affected by this disruptive technology?
• Is it risky for individuals, businesses and the country to invest in this disruptive technology? What if it fails? (The “the old system works, why change it?” argument)
• Read more about green & sustainability jobs and sustainability degrees .

It's perfectly natural to fear the new technology as it displaces that which we have become accustomed. However, these fears are often misplaced; if history has shown us anything, it is that technology drives employment as new job opportunities open to investors, new businesses start up and the world adapts to the new technology with enthusiasm and further investment, not recession and job losses. Some technologies will become obsolete and result in job losses, but overall the trend is an upward one.

Already here in the US, the green economy employs more people than ever before. There was significant increase in the industry between 2006 and 2011 and again between 2011 and 2015 with more expected (47) -particularly in wind and solar power. Between 2010 and 2011 alone, the solar industry grew by 6.8% (49) . Green technology is here to stay, and it is already providing jobs all over the world, just as the fossil fuel industry does at present. As we become more and more reliant on it, we can expect more jobs in line with human population growth, not just in line with reducing our dependence on fossil fuel and increasing reliance on renewables.

The biggest economic advantage to localizing our energy supply is that most of the money spent goes to those people producing the raw parts rather than to importing products at great cost that provides fewer people with jobs and is not good for the economy or the environment (48) . This means supporting jobs locally and nationally. As the US is a world leader of technology to supply renewable energy, we already have the benefit of exporting American industry - another great economic benefit of the renewable industry.

Economic benefits are not just about job creation though; there is a second important aspect and that is the cost of living. Time and time again, we have seen that energy from renewables is cheaper to produce than that produced by conventional fossil fuels with solar leading the way in getting cheaper and cheaper every year (50) . A lower cost of living means more money in the pocket for the average citizen, which means more money to put into other areas of the economy - savings and expenditure. These prices are also likely to remain stable compared to the fluctuating (and sometimes erratic) nature of fossil fuels (47) . Since the economic downturn of 2008, oil gas and coal have all spiked and dropped. This is not good for any country's economy, and certainly not for the global market.

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This Is the Future: Essay on Renewable Energy

Today the world population depends on nonrenewable energy resources. With the constantly growing demand for energy, natural gas, coal, and oil get used up and cannot replenish themselves. 

Aside from limited supply, heavy reliance on fossil fuels causes planetary-scale damage. Sea levels are rising. Heat-trapping carbon dioxide increased the warming effect by 45% from 1990 to 2019. The only way to tackle the crisis is to start the transition to renewable energy now. 

What is renewable energy? It is energy that comes from replenishable natural resources like sunlight, wind, thermal energy, moving water, and organic materials. Renewable resources do not run out. They are cost-efficient and renew faster than they are consumed. How does renewable energy save money? It creates new jobs, supports economic growth, and decreases inequitable fossil fuel subsidies. 

At the current rates of production, some fossil fuels will not even last another century. This is why the future depends on reliable and eco-friendly resources. This renewable energy essay examines the types and benefits of renewable energy and its role in creating a sustainable future.

Top 5 Types of Renewable Energy: The Apollo Alliance Rankings

There are many natural resources that can provide people with clean energy. To make a list of the five most booming types of renewable energy on the market today, this energy essay uses data gathered by the Apollo Alliance. It is a project that aims to revolutionize the energy sector of the US with a focus on clean energy. 

The Apollo Alliance unites businesses, community leaders, and environmental experts to support the transition to more sustainable and efficient living. Their expert opinion helped to compile information about the most common and cost-competitive sources of renewable energy. However, if you want to get some more in-depth research, you can entrust it to an essay writer . Here’s a quick overview of renewable energy resources that have a huge potential to substitute fossil fuels. 

Solar Renewable Energy

The most abundant and practically endless resource is solar energy. It can be turned into electricity by photovoltaic systems that convert radiant energy captured from sunlight. Solar farms could generate enough energy for thousands of homes.

An endless supply is the main benefit of solar energy. The rate at which the Earth receives it is 10,000 times greater than people can consume it, as a paper writer points out based on their analysis of research findings. It can substitute fossil fuels and deliver people electricity, hot water, cooling, heat, etc. 

The upfront investment in solar systems is rather expensive. This is one of the primary limitations that prevent businesses and households from switching to this energy source at once. However, the conclusion of solar energy is still favorable. In the long run, it can significantly decrease energy costs. Besides, solar panels are gradually becoming more affordable to manufacture and adopt, even at an individual level. 

Wind Renewable Energy

Another clean energy source is wind. Wind farms use the kinetic energy of wind flow to convert it into electricity. The Appolo Alliance notes that, unlike solar farms, they can’t be placed in any location. To stay cost-competitive, wind farms should operate in windy areas. Although not all countries have the right conditions to use them on a large scale, wind farms might be introduced for some energy diversity. The technical potential for it is still tremendous. 

Wind energy is clean and safe for the environment. It does not pollute the atmosphere with any harmful products compared to nonrenewable energy resources. 

The investment in wind energy is also economically wise. If you examine the cost of this energy resource in an essay on renewable resources, you’ll see that wind farms can deliver electricity at a price lower than nonrenewable resources. Besides, since wind isn’t limited, its cost won’t be influenced by the imbalance of supply and demand.

Geothermal Renewable Energy

Natural renewable resources are all around us, even beneath the ground. Geothermal energy can be produced from the thermal energy from the Earth’s interior. Sometimes heat reaches the surface naturally, for example, in the form of geysers. But it can also be used by geothermal power plants. The Earth’s heat gets captured and converted to steam that turns a turbine. As a result, we get geothermal energy.

This source provides a significant energy supply while having low emissions and no significant footprint on land. A factsheet and essay on renewable resources state that geothermal plants will increase electricity production from 17 billion kWh in 2020 to 49.8 billion kWh in 2050.

However, this method is not without limitations. While writing a renewable resources essay, consider that geothermal energy can be accessed only in certain regions. Geological hotspots are off-limits as they are vulnerable to earthquakes. Yet, the quantity of geothermal resources is likely to grow as technology advances. 

Ocean Renewable Energy

The kinetic and thermal energy of the ocean is a robust resource. Ocean power systems rely on:

• Changes in sea level;
• Wave energy;
• Water surface temperatures;
• The energy released from seawater and freshwater mixing.

Ocean energy is more predictable compared to other resources. As estimated by EPRI, it has the potential to produce 2640 TWh/yr. However, an important point to consider in a renewable energy essay is that the kinetic energy of the ocean varies. Yet, since it is ruled by the moon’s gravity, the resource is plentiful and continues to be attractive for the energy industry. 

Wave energy systems are still developing. The Apollo energy corporation explores many prototypes. It is looking for the most reliable and robust solution that can function in the harsh ocean environment. 

Another limitation of ocean renewable energy is that it may cause disruptions to marine life. Although its emissions are minimal, the system requires large equipment to be installed in the ocean. 

Biomass Renewable Energy

Organic materials like wood and charcoal have been used for heating and lighting for centuries. There are a lot more types of biomass: from trees, cereal straws, and grass to processed waste. All of them can produce bioenergy. 

Biomass can be converted into energy through burning or using methane produced during the natural process of decomposition. In an essay on renewable sources of energy, the opponents of the method point out that biomass energy is associated with carbon dioxide emissions. Yet, the amount of released greenhouse gases is much lower compared to nonrenewable energy use. 

While biomass is a reliable source of energy, it is only suitable for limited applications. If used too extensively, it might lead to disruptions in biodiversity, a negative impact on land use, and deforestation. Still, Apollo energy includes biomass resources that become waste and decompose quickly anyway. These are organic materials like sawdust, chips from sawmills, stems, nut shells, etc. 

What Is the Apollo Alliance?

The Apollo Alliance is a coalition of business leaders, environmental organizations, labor unions, and foundations. They all unite their efforts in a single project to harness clean energy in new, innovative ways. 

Why Apollo? Similarly to President John F. Kennedy’s Apollo Project, Apollo energy is a strong visionary initiative. It is a dare, a challenge. The alliance calls for the integrity of science, research, technology, and the public to revolutionize the energy industry.

The project has a profound message. Apollo energy solutions are not only about the environment or energy. They are about building a new economy. The alliance gives hope to building a secure future for Americans. 

What is the mission of the Apollo Alliance? 

• Achieve energy independence with efficient and limitless resources of renewable energy.
• Pioneer innovation in the energy sector.
• Build education campaigns and communication to inspire new perceptions of energy. 
• Create new jobs.
• Reduce dependence on imported fossil fuels. 
• Build healthier and happier communities. 

The transformation of the industry will lead to planet-scale changes. The Apollo energy corporation can respond to the global environmental crisis and prevent climate change. 

Apollo renewable energy also has the potential to become a catalyst for social change. With more affordable energy and new jobs in the industry, people can bridge the inequality divide and build stronger communities. 

Why Renewable Energy Is Important for the Future

Renewable energy resources have an enormous potential to cover people’s energy needs on a global scale. Unlike fossil fuels, they are available in abundance and generate minimal to no emissions. 

The burning of fossil fuels caused a lot of environmental problems—from carbon dioxide emissions to ocean acidification. Research this issue in more detail with academic assistance from essay writer online . You can use it to write an essay on renewable sources of energy to explain the importance of change and its global impact. 

Despite all the damage people caused to the planet, there’s still hope to mitigate further repercussions. Every renewable energy essay adds to the existing body of knowledge we have today and advances research in the field. Here are the key advantages and disadvantages of alternative energy resources people should keep in mind. 

Advantage of Green Energy

The use of renewable energy resources has a number of benefits for the climate, human well-being, and economy:

• Renewable energy resources have little to no greenhouse gas emissions. Even if we take into account the manufacturing and recycling of the technologies involved, their impact on the environment is significantly lower compared to fossil fuels. 
• Renewable energy promotes self-sufficiency and reduces a country’s dependence on foreign fuel. According to a study, a 1% increase in the use of renewable energy increases economic growth by 0.21%. This gives socio-economic stability.
• Due to a lack of supply of fossil fuels and quick depletion of natural resources, prices for nonrenewable energy keep increasing. In contrast, green energy is limitless and can be produced locally. In the long run, this allows decreasing the cost of energy. 
• Unlike fossil fuels, renewable energy doesn’t emit air pollutants. This positively influences health and quality of life. 
• The emergence of green energy plants creates new jobs. Thus, Apollo energy solutions support the growth of local communities. By 2030, the transition to renewable energy is expected to generate 10.3 million new jobs. 
• Renewable energy allows decentralization of the industry. Communities get their independent sources of energy that are more flexible in terms of distribution. 
• Renewable energy supports equality. It has the potential to make energy more affordable to low-income countries and expand access to energy even in remote and less fortunate neighborhoods. 

Disadvantages of Non-Conventional Energy Sources

No technology is perfect. Renewable energy resources have certain drawbacks too: 

• The production of renewable energy depends on weather conditions. For example, wind farms could be effective only in certain locations where the weather conditions allow it. The weather also makes it so that renewable energy cannot be generated around the clock. 
• The initial cost of renewable energy technology is expensive. Both manufacturing and installation require significant investment. This is another disadvantage of renewable resources. It makes them unaffordable to a lot of businesses and unavailable for widespread individual use. In addition, the return on investment might not be immediate.
• Renewable energy technology takes up a lot of space. It may affect life in the communities where these clean energy farms are installed. They may also cause disruptions to wildlife in the areas. 
• One more limitation a renewable resources essay should consider is the current state of technology. While the potential of renewable energy resources is tremendous, the technology is still in its development phase. Therefore, renewable energy might not substitute fossil fuels overnight. There’s a need for more research, investment, and time to transition to renewable energy completely. Yet, some diversity of energy resources should be introduced as soon as possible. 
• Renewable energy resources have limited emissions, but they are not entirely pollution-free. The manufacturing process of equipment is associated with greenhouse gas emissions while, for example, the lifespan of a wind turbine is only 20 years. 

For high school seniors eyeing a future rich with innovative endeavors in renewable energy or other fields, it's crucial to seek financial support early on. Explore the top 10 scholarships for high school seniors to find the right fit that can propel you into a future where you can contribute to the renewable energy movement and beyond. Through such financial support, the road to making meaningful contributions to a sustainable future becomes a tangible reality.

Renewable energy unlocks the potential for humanity to have clean energy that is available in abundance. It leads us to economic growth, independence, and stability. With green energy, we can also reduce the impact of human activity on the environment and stop climate change before it’s too late. 

So what’s the conclusion of renewable energy? Transitioning to renewable energy resources might be challenging and expensive. However, most experts agree that the advantages of green energy outweigh any drawbacks. Besides, since technology is continuously evolving, we’ll be able to overcome most limitations in no time.

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Essay on Save Energy

Students are often asked to write an essay on Save Energy in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

Let’s take a look…

100 Words Essay on Save Energy

Importance of saving energy.

Saving energy is crucial for our planet. It helps in reducing pollution and conserving natural resources.

Ways to Save Energy

Switching off lights when not in use, using energy-efficient appliances, and limiting the use of air conditioners can save energy.

Benefits of Saving Energy

Energy saving reduces electricity bills, decreases carbon emissions, and helps in preserving the environment for future generations.

Everyone should make efforts to save energy. It’s not only beneficial for us but also for our planet.

Also check:

• 10 Lines on Save Energy

250 Words Essay on Save Energy

Introduction.

Energy conservation is a pressing global issue, demanding immediate attention. As the world’s natural resources are rapidly depleting, the need to save energy becomes paramount. It is our responsibility to ensure the sustainability of our planet for future generations.

The Importance of Saving Energy

Energy is the lifeblood of modern civilization. It powers our homes, fuels our transportation, and drives our industries. However, the excessive and inefficient use of energy contributes to environmental degradation, climate change, and resource depletion. By saving energy, we can reduce our carbon footprint, slow down global warming, and preserve the earth’s natural resources.

There are numerous ways to save energy, ranging from simple everyday habits to significant technological advancements. At an individual level, we can conserve energy by switching off lights and appliances when not in use, using energy-efficient devices, and choosing public transportation or carpooling.

On a larger scale, industries can adopt energy-efficient technologies, renewable energy sources, and waste-to-energy conversion methods. Governments can promote energy conservation through policies, regulations, and public awareness campaigns.

In conclusion, saving energy is not just a choice, but a necessity for our survival. It requires collective efforts from individuals, industries, and governments. By saving energy, we can ensure a sustainable and prosperous future for our planet and its inhabitants.

500 Words Essay on Save Energy

Energy, in its various forms, is the backbone of modern civilization. It powers our homes, fuels our transportation, and drives our industries. However, the overconsumption of energy resources, particularly non-renewable ones, is leading to environmental degradation and resource depletion. Therefore, the concept of ‘Save Energy’ is not just a slogan but a dire necessity and a global responsibility.

Energy conservation is critical for several reasons. Firstly, a significant proportion of the world’s energy comes from non-renewable resources like coal, oil, and natural gas. These resources are finite and are depleting at an alarming rate due to overconsumption. Saving energy means reducing the rate of depletion of these resources, thus prolonging their availability.

Secondly, the extraction and use of these non-renewable resources have severe environmental implications. They contribute to air and water pollution, habitat destruction, and climate change. By saving energy, we can mitigate these environmental impacts and contribute to the sustainability of our planet.

Energy conservation does not necessarily mean compromising on our needs or comfort. It is more about using energy efficiently and wisely. There are several ways in which we can save energy in our daily lives.

One of the simplest ways is by improving energy efficiency. This involves using appliances that consume less energy for the same output, such as LED lights instead of incandescent bulbs, or energy-efficient refrigerators and air conditioners.

Another method is by adopting renewable sources of energy, like solar and wind power. These sources are sustainable and have minimal environmental impact. By installing solar panels or wind turbines, we can generate our own electricity and reduce our dependence on non-renewable resources.

Role of Technology and Innovation

Technology and innovation play a crucial role in energy conservation. Advances in technology have led to the development of energy-efficient appliances, electric vehicles, and smart grids, all of which contribute to energy saving.

Innovations in renewable energy technology have made it more efficient and cost-effective, making it a viable alternative to traditional energy sources. Smart technologies like IoT and AI can help in monitoring and managing energy consumption in real-time, leading to significant energy savings.

In conclusion, saving energy is a collective responsibility that requires the participation of all stakeholders, including individuals, communities, governments, and corporations. By adopting energy-efficient practices and technologies, and by shifting towards renewable sources of energy, we can ensure the sustainability of our energy resources and contribute to the well-being of our planet. The ‘Save Energy’ concept is not just about preserving resources for the future, but also about creating a sustainable and healthy environment for all.

That’s it! I hope the essay helped you.

If you’re looking for more, here are essays on other interesting topics:

• Essay on One Step Towards Green and Clean Energy
• Essay on Importance of Energy Conservation
• Essay on Green Energy for Carbon Neutral Ecosystem

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Home — Essay Samples — Environment — Wind Energy — Essay On Wind Energy

Essay on Wind Energy

• Categories: Climate Change Renewable Energy Wind Energy

About this sample

Words: 1582 |

Published: Mar 19, 2024

Words: 1582 | Pages: 3 | 8 min read

Table of contents

I. introduction, a. definition and importance of wind energy, b. thesis statement, ii. history and development of wind energy, a. origins of wind energy usage, b. technological advancements in wind turbines, c. global adoption and growth of wind energy, iii. environmental benefits of wind energy, a. reduced greenhouse gas emissions, b. conservation of natural resources, c. impact on biodiversity, iv. economic benefits of wind energy, a. job creation in the wind energy sector, b. cost-effectiveness compared to fossil fuels, c. economic growth in regions with wind farms, v. challenges and limitations of wind energy, a. intermittency and variability of wind, b. land use and visual impact, c. impact on wildlife, vi. future prospects of wind energy, a. research and development in wind energy technology, b. integration of wind energy with other renewable sources, c. policy and government support for wind energy, vii. case studies of successful wind energy projects, a. offshore wind farms in europe, b. wind energy in developing countries, c. community-owned wind energy projects, viii. conclusion.

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