global warming essay 2022

Climate change: How global warming fuelled extreme climate disasters in 2022

The summer of 2022 has seen one climate-related disaster after another. Image:  REUTERS/Nathan Howard

Kevin Trenberth

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Stay up to date:, climate indicators.

• From flooding in Pakistan and the US to wildfires in Spain and Portugal, the summer of 2022 has seen one climate-related disaster after another.
• While climate change does not directly cause heavy rainfall or drought, it makes these naturally occurring events more intense or severe.
• Global warming increases the evaporation of surface waters into the atmosphere, drying areas with little rain and increasing rainfall in others.
• But natural variability means that extremes will shift to new locations as global temperatures increase.

There’s an old joke about the fellow who has his left foot in a bucket of ice water and the right in a bucket of hot water, so that his overall temperature is average. That seemed to apply to the climate during 2022’s northern summer of extremes .

Global warming is undoubtedly a factor, but just how the increasing extremes – heat waves, droughts and floods, sometimes one on top of the other – are related can be bewildering to the public and policymakers.

As a climate scientist , I’ve been working on these issues for more than four decades, and my new book, “ The changing flow of energy through the climate system ,” details the causes, feedbacks and impacts. Let’s take a closer look at how climate change and natural weather patterns like La Niña influence what we’re seeing around the world today.

The Northern Hemisphere’s extreme summer

Summer 2022 has indeed seemed to feature one climate-related disaster after another.

Record-breaking heat waves baked India and Pakistan, then monsoon flooding left about a third of Pakistan under water , affecting an estimated 33 million people . Temperatures exceeded 104 degrees Fahrenheit (40 Celsius) for prolonged periods in many places, and even broke 122 F (50 C) in Jacobabad, Pakistan, in May.

The Asian heat helped to melt some glaciers in the Himalayas, elevating rivers. At the same time, three times the normal annual rain fell in Pakistan during the weekslong monsoon. More than 1,500 people died in the flooding, an estimated 1.8 million homes were damaged or destroyed, and hundreds of thousands of livestock were lost. Food for the coming seasons will be in short supply.

Extreme heat in Europe led to wildfires, especially in Spain and Portugal. The drought in Spain dried up a reservoir, revealing the long-submerged “ Spanish Stonehenge ,” an ancient circle of megalithic stones believed to date back to around 5000 B.C. Electricity generation in France plummeted, with low rivers reducing the ability to cool nuclear power towers, and German barges had difficulty finding enough water to navigate the Rhine River .

In the United States, the West and the Midwest suffered through intense heat waves, and the crucial Colorado River reservoirs Lake Powell and Lake Mead hit record lows , triggering water restrictions. Yet, the country also saw major disruptive flooding in several cities and regions , from Death Valley to the mountains of eastern Kentucky.

In China, heat waves and drought stretched over eight weeks and dried up parts of the Yangtze River to the lowest level since at least 1865 – until parts of the same area were inundated with flooding rains in August.

Climate change exacerbates the extremes

Yes, these are all manifestations of climate change brought about by human activities.

Climate change for the most part does not directly cause the rainfall or drought, but it makes these naturally occurring events more intense or severe. Carbon dioxide and other greenhouse gases, largely from power plants, vehicles, buildings, industry and agriculture, trap heat in the atmosphere, heating the planet.

In addition to raising temperature, global warming increases evaporation of surface waters into the atmosphere, drying areas that have had little rain. Warmer air increases the amount of water vapor the atmosphere can hold, and the thirstier atmosphere sucks moisture from the surface.

That extra moisture is carried away by winds and eventually flows into storms, often a thousand miles distant, that rain harder. Atmospheric moisture has increased by 5% to 20% in general compared with the pre-1970s. The increase in water vapor, a greenhouse gas, further amplifies warming . When water evaporates, it absorbs heat, and when it later falls as rain, that heat is released back into the atmosphere. This extra energy fuels storms, leading to more intense systems that may also be bigger and last longer, with up to 30% more rain as a consequence of warming.

On average, precipitation falls on only about 8% of the land globally at any time. It is the intermittency of precipitation that leads to the exaggerated extremes, resulting in localized heavy rains and widespread dry spells.

So, with the accelerated water cycle, wet areas get wetter, and dry areas get drier, while over the oceans, this results in salty waters becoming saltier and fresh waters becoming fresher .

Infrastructure isn’t ready for the consequences

The impact of these events and whether they turn into disasters depend in part on how prepared communities are for the changes. Most infrastructure, forests and farms are adapted to a previous climate.

Whether heavy rains result in flooding depends critically on drainage systems and surface water management.

When populations grow, as Pakistan’s has, more people become vulnerable when they settle in flood plains . It takes time for surface waters to evaporate, and flood water runoff is affected by rising sea levels that slow and may even reverse stream and river flows to the ocean.

The Global Risks Report 2023 ranked failure to mitigate climate change as one of the most severe threats in the next two years, while climate- and nature- related risks lead the rankings by severity over the long term.

The World Economic Forum’s Centre for Nature and Climate is a multistakeholder platform that seeks to safeguard our global commons and drive systems transformation. It is accelerating action on climate change towards a net-zero, nature-positive future.

Learn more about our impact:

• Scaling up green technologies: Through a partnership with the US Special Presidential Envoy for Climate, John Kerry, and over 65 global businesses, the First Movers Coalition has committed $12 billion in purchase commitments for green technologies to decarbonize the cement and concrete industry.
• 1 trillion trees: Over 90 global companies have committed to conserve, restore and grow more than 8 billion trees in 65 countries through the 1t.org initiative – which aims to achieve 1 trillion trees by 2030.
• Sustainable food production: Our Food Action Alliance is engaging 40 partners who are working on 29 flagship initiatives to provide healthy, nutritious, and safe foods in ways that safeguard our planet. In Vietnam, it supported the upskilling of 2.2 million farmers and aims to provide 20 million farmers with the skills to learn and adapt to new agricultural standards.
• Eliminating plastic pollution: Our Global Plastic Action Partnership is bringing together governments, businesses and civil society to shape a more sustainable world through the eradication of plastic pollution. In Ghana, more than 2,000 waste pickers are making an impact cleaning up beaches, drains and other sites.
• Protecting the ocean: Our 2030 Water Resources Group has facilitated almost $1 billion to finance water-related programmes , growing into a network of more than 1,000 partners and operating in 14 countries/states.
• Circular economy: Our SCALE 360 initiative is reducing the environmental impacts of value chains within the fashion, food, plastics and electronics industries, positively impacting over 100,000 people in 60 circular economy interventions globally.

Want to know more about our centre’s impact or get involved? Contact us .

Natural variability also plays a major role

While the observed increases in extremes are a consequence of climate change, the weather events themselves are still largely naturally occurring.

Two naturally reoccurring weather patterns are important to understand: La Niña and El Niño – the two opposite phases of the El Niño-Southern Oscillation .

In 2022, we are likely headed into a third year of a La Niña event , in which cool waters dominate the central and eastern tropical Pacific. The pattern affects atmospheric circulation, keeping the main rains over southern Asia and the Indonesian region, and with associated record-breaking marine heat waves in the North and South Pacific. In North America, it typically means the southern half of the U.S. is drier than normal.

Have you read?

.chakra .wef-1c7l3mo{-webkit-transition:all 0.15s ease-out;transition:all 0.15s ease-out;cursor:pointer;-webkit-text-decoration:none;text-decoration:none;outline:none;color:inherit;}.chakra .wef-1c7l3mo:hover,.chakra .wef-1c7l3mo[data-hover]{-webkit-text-decoration:underline;text-decoration:underline;}.chakra .wef-1c7l3mo:focus,.chakra .wef-1c7l3mo[data-focus]{box-shadow:0 0 0 3px rgba(168,203,251,0.5);} exploring the relationship between climate change and extreme weather, climate change: these cities are on track for extreme conditions by 2050, mapped: how climate change affects extreme weather around the world.

In the Southern Hemisphere, that marine heat wave over the South Pacific led to the warmest and wettest meteorological winter (June-August) on record in New Zealand, with several major floods . Rain was 141% of “normal,” and nationwide temperatures averaged 2.5 F (1.4 C) above the 1981-2010 average. The exceptionally high sea surface temperatures not only contributed to warmer temperatures on land, but also fed atmospheric rivers and provided extra moisture to onshore winds and storms.

The La Niña cooling in the tropical Pacific can readily reverse, with an El Niño pattern effectively pumping heat out of the ocean and into the atmosphere. A preliminary analysis colleagues and I conducted suggests that the global ocean heat content is at record-high levels . Exceptionally warm deep waters in the tropical western Pacific right now suggest prospects for the next El Niño event in 2023, potentially resulting in more global temperature records in 2024 as some ocean heat returns to the atmosphere.

All La Niñas are not the same, however. Because of how sea temperatures responded to the heat in the extratropics, the environment today is very different than it was two years ago. Warmth in the North Pacific could have consequences for the “pineapple express” and other West Coast U.S. storms this coming winter.

The natural variability component means that we should not simply expect more of the same every year. As we likely go into an El Niño next year and global temperatures get a boost, extremes will shift to new locations.

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The IPCC Climate Change 2022 Impacts Report: Why it matters

Large-scale reduction in carbon dioxide pollution key to climate change response, scientists say.

This week some 270 top scientists from 67 countries, including two NOAA scientists, are completing the final details of a large-scale report: Climate Change 2022: Impacts, Adaptation & Vulnerability, the second part of the Sixth Assessment Report offsite link . The report will describe how climate change is already affecting the world’s human and natural systems.

View of the Chukchi Borderlands where the Arctic, Pacific and Atlantic ocean basins meet. (Image credit: Caitlin Bailey/Global Foundation for Ocean Exploration)

Additional Resources

United Nations Intergovernmental Panel on Climate Change offsite link

NOAA’s Climate.gov

NOAA’s Ocean Acidification Program

NOAA’s Alaska Fisheries Science Center

On Monday, February 28, the United Nations Intergovernmental Panel on Climate Change offsite link (IPCC) will release its latest report, which will focus on climate solutions and regional and local adaptation. It will also assess the feasibility of various adaptation strategies to curb current and predicted impacts of climate change.

The IPCC was established 34 years ago to provide actionable information on climate change for decision makers. IPCC reports are the result of a unique collaboration of scientific expertise and political consensus. The new report will reaffirm that the science pertaining to climate change is settled, and the most important response to climate change is large-scale reduction in carbon dioxide pollution that drives global warming.

...we have to act, we need a whole of society approach, no one can be left out, no household, no businesses, no government... Debra Roberts , Co-chair of the IPCC Working Group II report

To learn more about why this new report matters and what went into creating it, NOAA interviewed NOAA authors, Libby Jewett, director of the NOAA’s Ocean Acidification Program, and Kirstin Holsman, a research scientist from NOAA’s Alaska Fisheries Science Center. They served on an international team of authors who assessed scientific literature to prepare the new IPCC report’s chapter on North America.

The authors underwent a rigorous selection process offsite link , and have spent three years working with fellow scientists to provide the best available science on climate change impacts, vulnerabilities and adaptation in North America. Holsman is also an author of the report’s cross-chapter paper on Polar Regions.

Watch: The below video interview features NOAA scientists Libby Jewett and Kirstin Holsman  — contributors to the latest IPCC report.

In a recent briefing on the new report, Debra Roberts, co-chair of the IPCC Working Group II report and head of Sustainable and Resilient City Initiatives in eThekwini Municipality in Durban, South Africa, said the report will tell a story about how today’s civilization has been built on ways of life that have accelerated the decline of nature to the detriment of humans and ecosystems. The report’s authors will lay out a clear case for a major turnaround that will better integrate the world’s economic and environmental systems for a sustainable future.

Hans-Otto Pörtner, co-chair of the IPCC report and an expert on climate impacts on natural systems, said the report would call out the major barriers to creating a sustainable future in the face of rising temperatures and accelerating climate change impacts on every sector and every person on Earth.

“We have an education gap and an implementation gap,” Pörtner said. “The traffic rules to move toward more sustainable lives are not reaching people.” 

Added Roberts: “There is a strong message across all the IPCC reports that we have to act, we need a whole of society approach, no one can be left out, no household, no businesses, no government, and it's that whole of society scale that we haven’t put in place that is urgently needed.”

Media contact

Monica Allen,  monica.allen@noaa.gov , (202) 379-6693

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Yale Climate Connections

Scientists agree: Climate change is real and caused by people

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The scientific consensus that climate change is happening and that it is human-caused is strong. Scientific investigation of global warming began in the 19th century , and by the early 2000s, this research began to coalesce into confidence about the reality, causes, and general range of adverse effects of global warming. This conclusion was drawn from studying air and ocean temperatures, the atmosphere’s composition, satellite records, ice cores, modeling, and more.

In 1988 the United Nations and World Meteorological Organization founded the Intergovernmental Panel on Climate Change, IPCC, to provide regular updates on the scientific evidence on global warming. In a 2013 report , the IPCC concluded that scientific evidence of warming is “unequivocal” and that the largest cause is an increase of carbon dioxide in the atmosphere as a result of humans burning fossil fuels. The IPCC continues to assess this science, periodically issuing new reports.

Climate change is real and caused by humans

The IPCC is not the only scientific group that has reached a clear consensus on the scientific evidence of human-caused global warming. As this NASA page points out, 200 global scientific organizations, 11 international science academies, and 18 American science associations have released statements in alignment with this consensus.

Amanda Staudt is the senior director for climate, atmospheric and polar sciences at the National Academies of Science, Engineering and Medicine, where she has worked since 2001. The Academies, she said, first began studying climate change in 1979, researching how much warming would likely happen if the amount of carbon dioxide concentrations in the atmosphere were doubled.

Four decades later, those findings have held up and have been strengthened based on scores of continued studies and analysis. “The remarkable thing about that study,” she said, “is that they basically got the right answer” from the start. This 1979 study by the National Research Council, Staudt said, led to investment in climate science in the U.S. 

Though this consensus has been thoroughly established, scientific research and new findings continue. Staudt said countless attempted rebuttals of climate science findings have been researched and disproved.

“We did a lot of studies in that time period, looking at those questions,” she said, ”and one by one, putting them to bed and convincing ourselves over and over again, that humans were affecting climate, and that we could document that effect.”

At the National Academies, reaching consensus requires open sessions and dialogue with scientists and agreement from committees, which typically consist of 12-15 experts. Their draft reports go through peer review, and reviewers’ concerns are resolved before publication is approved. The goal is for the complex science of climate change to become as thoroughly researched and substantiated as possible.

“One of the things I think about scientists is that we’re all inherently skeptics at some level,” Staudt said. “That’s what drives us to science, that we have questions about the world around us. And we want to prove that for ourselves.”

Scientists consistently reaffirm evidence that climate change is happening

Climate scientists worldwide go through similar processes before their findings are published. And their research papers, too, show a strong consensus about global warming. As NASA states on its website , “Multiple studies published in peer-reviewed scientific journals show that 97 percent or more of actively publishing climate scientists agree: Climate-warming trends over the past century are extremely likely due to human activities.” (By sound practice, scientists resist saying science is for all times “certain” or that its findings are “final,” and the “extremely likely” language respects that practice.)

One of the studies about the consensus was led by John Cook, a fellow at the Climate Change Communication Research Hub at Monash University in Melbourne, Australia. Cook and colleagues reviewed nearly 12,000 scientific papers to examine how aligned published research is on major findings on climate change. That study found that 97 percent of scholarly papers that take a position on climate change do endorse the consensus. The papers that rejected the consensus position contained errors, according to subsequent research .

In reviewing the papers, Cook has said he and his colleagues found the consensus to have been so widely accepted by 2013 that many researchers by then no longer felt a need to mention or reaffirm it in their research papers.

Also see: Causes of global warming: How scientists know that humans are responsible

Samantha Harrington

Samantha Harrington, director of audience experience for Yale Climate Connections, is a journalist and graphic designer with a background in digital media and entrepreneurship. Sam is especially interested... More by Samantha Harrington

UN climate report: It’s ‘now or never’ to limit global warming to 1.5 degrees

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A new flagship UN report on climate change out Monday indicating that harmful carbon emissions from 2010-2019 have never been higher in human history, is proof that the world is on a “fast track” to disaster, António Guterres has warned , with scientists arguing that it’s ‘now or never’ to limit global warming to 1.5 degrees.

Reacting to the latest findings of the Intergovernmental Panel on Climate Change ( IPCC ), the UN Secretary-General insisted that unless governments everywhere reassess their energy policies, the world will be uninhabitable.

#LIVE NOW the press conference to present the #IPCC’s latest #ClimateReport, #ClimateChange 2022: Mitigation of Climate Change, the Working Group III contribution to the Sixth Assessment Report. Including a Q&A session with registered media. https://t.co/iIl81zXev7 IPCC IPCC_CH

His comments reflected the IPCC’s insistence that all countries must reduce their fossil fuel use substantially, extend access to electricity, improve energy efficiency and increase the use of alternative fuels, such as hydrogen.

Unless action is taken soon, some major cities will be under water, Mr. Guterres said in a video message, which also forecast “unprecedented heatwaves, terrifying storms, widespread water shortages and the extinction of a million species of plants and animals”.

Horror story

The UN chief added: “This is not fiction or exaggeration. It is what science tells us will result from our current energy policies. We are on a pathway to global warming of more than double the 1.5-degree (Celsius, or 2.7-degrees Fahreinheit) limit ” that was agreed in Paris in 2015.

Providing the scientific proof to back up that damning assessment, the IPCC report – written by hundreds of leading scientists and agreed by 195 countries - noted that greenhouse gas emissions generated by human activity, have increased since 2010 “across all major sectors globally”.

In an op-ed article penned for the Washington Post, Mr. Guterres described the latest IPCC report as "a litany of broken climate promises ", which revealed a "yawning gap between climate pledges, and reality."

He wrote that high-emitting governments and corporations, were not just turning a blind eye, "they are adding fuel to the flames by continuing to invest in climate-choking industries. Scientists warn that we are already perilously close to tipping points that could lead to cascading and irreversible climate effects."

Urban issue

An increasing share of emissions can be attributed to towns and cities , the report’s authors continued, adding just as worryingly, that emissions reductions clawed back in the last decade or so “have been less than emissions increases, from rising global activity levels in industry, energy supply, transport, agriculture and buildings”.

Striking a more positive note - and insisting that it is still possible to halve emissions by 2030 - the IPCC urged governments to ramp up action to curb emissions.

The UN body also welcomed the significant decrease in the cost of renewable energy sources since 2010, by as much as 85 per cent for solar and wind energy, and batteries.

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• ‘Lifeline’ of renewable energy can steer world out of climate crisis
• 8 reasons not to give up hope - and take climate action

Encouraging climate action

“We are at a crossroads. The decisions we make now can secure a liveable future,” said IPCC Chair Hoesung Lee. “ I am encouraged by climate action being taken in many countries . There are policies, regulations and market instruments that are proving effective. If these are scaled up and applied more widely and equitably, they can support deep emissions reductions and stimulate innovation.”

To limit global warming to around 1.5C (2.7°F), the IPCC report insisted that global greenhouse gas emissions would have to peak “before 2025 at the latest, and be reduced by 43 per cent by 2030”.

Methane would also need to be reduced by about a third, the report’s authors continued, adding that even if this was achieved, it was “almost inevitable that we will temporarily exceed this temperature threshold”, although the world “could  return to below it by the end of the century”.

Now or never

“ It’s now or never, if we want to limit global warming to 1.5°C (2.7°F); without immediate and deep emissions reductions across all sectors, it will be impossible ,” said Jim Skea, Co-Chair of IPCC Working Group III, which released the latest report.

Global temperatures will stabilise when carbon dioxide emissions reach net zero. For 1.5C (2.7F), this means achieving net zero carbon dioxide emissions globally in the early 2050s; for 2C (3.6°F), it is in the early 2070s, the IPCC report states.

“This assessment shows that limiting warming to around 2C (3.6F) still requires global greenhouse gas emissions to peak before 2025 at the latest, and be reduced by a quarter by 2030.”

Policy base

A great deal of importance is attached to IPCC assessments because they provide governments with scientific information that they can use to develop climate policies.

They also play a key role in international negotiations to tackle climate change.

Among the sustainable and emissions-busting solutions that are available to governments, the IPCC report emphasised that rethinking how cities and other urban areas function in future could help significantly in mitigating the worst effects of climate change.

“These (reductions) can be achieved through lower energy consumption (such as by creating compact, walkable cities), electrification of transport in combination with low-emission energy sources, and enhanced carbon uptake and storage using nature,” the report suggested. “There are options for established, rapidly growing and new cities,” it said.

Echoing that message, IPCC Working Group III Co-Chair, Priyadarshi Shukla, insisted that “the right policies, infrastructure and technology…to enable changes to our lifestyles and behaviour, can result in a 40 to 70 per cent reduction in greenhouse gas emissions by 2050. “The evidence also shows that these lifestyle changes can improve our health and wellbeing.”

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• 05 January 2022

How researchers can help fight climate change in 2022 and beyond

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Devastating floods that hit Germany last July were made more likely by the warming climate. Credit: Christof Stache/AFP/Getty

Late last year, the major climate summit in Glasgow, UK — the 26th Conference of the Parties to the United Nations climate convention (COP26) — injected much-needed momentum into the political and business community in the fight to stop climate change. The year ahead represents an opportunity for scientists of all stripes to offer up expertise and ensure that they have a voice in this monumental effort.

Science is already baked into the UN’s formal climate agenda for 2022. In February, the Intergovernmental Panel on Climate Change (IPCC) is scheduled to release its assessment of the latest research into how climate warming is affecting people and ecosystems; a month later, the panel is set to provide an analysis of the options for curbing emissions and halting global warming. Combined with last year’s report on climate science , the governments of the world will have a solid review of the state-of-the-art of research on climate change. But the research community’s work stretches far beyond the IPCC.

At the top of governments’ climate agenda is innovation. Existing technologies such as wind and solar power, whose price has plummeted over the past decade, and more-efficient lighting, buildings and vehicles will help to reduce emissions. But if green energy is to push out fossil fuels and fulfil the rising demand for reliable power in low-income countries, scientists and engineers will be needed to solve a range of problems. These include finding ways to cut the price of grid-scale electricity storage and to address technical challenges that arise when integrating massive amounts of intermittent renewable energy. Research will also be required to provide a new generation of affordable vehicles powered by electricity and hydrogen, and low-carbon fuels for those that are harder to electrify, such as aircraft.

Even in the most optimistic scenarios, such clean-energy deployments are unlikely to be enough to enable countries to keep their climate commitments. More innovation will also be needed — for example, in the form of technologies that can pull carbon dioxide out of the atmosphere. These have yet to be tested and demonstrated at any significant scale. Governments and funders also need to support scientists in efforts to understand the safety and efficacy of various controversial geoengineering technologies — methods for artificially cooling the planet, such as the addition of particles to the stratosphere to reflect sunlight back into space — if only to determine whether there is sense in even contemplating such alternatives.

Give research into solar geoengineering a chance

There are signs of renewed support for research and innovation in helping to address climate change. In Glasgow, 22 countries, as well as the European Commission (EC), announced plans to cooperate on innovation focused on greening cities, curbing industrial emissions, promoting CO 2 capture and developing renewable fuels, chemicals and materials. The EC has also announced efforts to drive new funds into demonstration projects to help commercialize low-carbon technologies. And China, currently the world’s largest emitter of greenhouse gases, is creating a vast research infrastructure focused on technologies that will help to eliminate carbon emissions.

China creates vast research infrastructure to support ambitious climate goals

In the United States, under President Joe Biden, the Democrats have also made innovation a linchpin of efforts to address climate change. A bipartisan bill enacted in November will expand green-infrastructure investments, as well as providing nearly US$42 billion for clean-energy research and development at the US Department of Energy over the next 5 years, roughly doubling the current budget, according to the Information Technology and Innovation Foundation, a think tank in Washington DC. Another $550 billion for climate and clean-energy programmes is included in a larger budget bill that Democrats hope to pass this year. Economic modelling suggests that the spending surge could help to lower emissions in the coming decade while teeing up technologies that will be crucial to eliminating greenhouse-gas emissions in the latter half of the century.

In addition to enabling green innovation, scientists have an important part to play in evaluating climate policies and tracking commitments made by governments and businesses. Many of the initiatives that gained traction at COP26 need science to succeed. That includes evaluating how climate finance — money that wealthy nations have committed to help low-income nations to curb emissions and cope with climate change — is spent. Research is also needed to understand the impacts of carbon offsets and carbon trading, for which new rules were agreed at COP26.

COP26 climate pledges: What scientists think so far

Climate science, too, must continue apace, helping governments and the public to understand the impact of climate change. From floods in Germany to fires in Australia, the evolving field of climate attribution has already made it clear that global warming is partly to blame for numerous tragedies. Attribution science will also feed into an ongoing geopolitical debate about who should pay for the rising costs of climate-related natural disasters, as many low-income countries seek compensation from wealthy countries that are responsible for the bulk of the greenhouse-gas emissions so far.

These and other issues will be discussed again in November at COP27 in Sharm El-Sheikh, Egypt, where it will be crucial to make sure that everyone has a voice and that research supports climate monitoring and innovation everywhere, not just in richer nations.

A new agreement made at COP26 that requires governments to report annually on their climate progress should help to maintain pressure on them to act on climate change. But science and innovation will be equally important to driving ever-bolder climate policies.

Nature 601 , 7 (2022)

doi: https://doi.org/10.1038/d41586-021-03817-4

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Essay on Global Warming

• Updated on  
• Apr 27, 2024

Being able to write an essay is an integral part of mastering any language. Essays form an integral part of many academic and scholastic exams like the SAT , and UPSC amongst many others. It is a crucial evaluative part of English proficiency tests as well like IELTS , TOEFL , etc. Major essays are meant to emphasize public issues of concern that can have significant consequences on the world. To understand the concept of Global Warming and its causes and effects, we must first examine the many factors that influence the planet’s temperature and what this implies for the world’s future. Here’s an unbiased look at the essay on Global Warming and other essential related topics.

Short Essay on Global Warming and Climate Change?

Since the industrial and scientific revolutions, Earth’s resources have been gradually depleted. Furthermore, the start of the world’s population’s exponential expansion is particularly hard on the environment. Simply put, as the population’s need for consumption grows, so does the use of natural resources , as well as the waste generated by that consumption.

Climate change has been one of the most significant long-term consequences of this. Climate change is more than just the rise or fall of global temperatures; it also affects rain cycles, wind patterns, cyclone frequencies, sea levels, and other factors. It has an impact on all major life groupings on the planet.

Also Read: World Population Day

What is Global Warming?

Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century, primarily due to the greenhouse gases released by people burning fossil fuels . The greenhouse gases consist of methane, nitrous oxide, ozone, carbon dioxide, water vapour, and chlorofluorocarbons. The weather prediction has been becoming more complex with every passing year, with seasons more indistinguishable, and the general temperatures hotter.

The number of hurricanes, cyclones, droughts, floods, etc., has risen steadily since the onset of the 21st century. The supervillain behind all these changes is Global Warming. The name is quite self-explanatory; it means the rise in the temperature of the Earth.

Also Read: What is a Natural Disaster?

What are the Causes of Global Warming?

According to recent studies, many scientists believe the following are the primary four causes of global warming:

• Deforestation 
• Greenhouse emissions
• Carbon emissions per capita

Extreme global warming is causing natural disasters , which can be seen all around us. One of the causes of global warming is the extreme release of greenhouse gases that become trapped on the earth’s surface, causing the temperature to rise. Similarly, volcanoes contribute to global warming by spewing excessive CO2 into the atmosphere.

The increase in population is one of the major causes of Global Warming. This increase in population also leads to increased air pollution . Automobiles emit a lot of CO2, which remains in the atmosphere. This increase in population is also causing deforestation, which contributes to global warming.

The earth’s surface emits energy into the atmosphere in the form of heat, keeping the balance with the incoming energy. Global warming depletes the ozone layer, bringing about the end of the world. There is a clear indication that increased global warming will result in the extinction of all life on Earth’s surface.

Also Read: Land, Soil, Water, Natural Vegetation, and Wildlife Resources

Solutions for Global Warming

Of course, industries and multinational conglomerates emit more carbon than the average citizen. Nonetheless, activism and community effort are the only viable ways to slow the worsening effects of global warming. Furthermore, at the state or government level, world leaders must develop concrete plans and step-by-step programmes to ensure that no further harm is done to the environment in general.

Although we are almost too late to slow the rate of global warming, finding the right solution is critical. Everyone, from individuals to governments, must work together to find a solution to Global Warming. Some of the factors to consider are pollution control, population growth, and the use of natural resources.

One very important contribution you can make is to reduce your use of plastic. Plastic is the primary cause of global warming, and recycling it takes years. Another factor to consider is deforestation, which will aid in the control of global warming. More tree planting should be encouraged to green the environment. Certain rules should also govern industrialization. Building industries in green zones that affect plants and species should be prohibited.

Also Read: Essay on Pollution

Effects of Global Warming

Global warming is a real problem that many people want to disprove to gain political advantage. However, as global citizens, we must ensure that only the truth is presented in the media.

This decade has seen a significant impact from global warming. The two most common phenomena observed are glacier retreat and arctic shrinkage. Glaciers are rapidly melting. These are clear manifestations of climate change.

Another significant effect of global warming is the rise in sea level. Flooding is occurring in low-lying areas as a result of sea-level rise. Many countries have experienced extreme weather conditions. Every year, we have unusually heavy rain, extreme heat and cold, wildfires, and other natural disasters.

Similarly, as global warming continues, marine life is being severely impacted. This is causing the extinction of marine species as well as other problems. Furthermore, changes are expected in coral reefs, which will face extinction in the coming years. These effects will intensify in the coming years, effectively halting species expansion. Furthermore, humans will eventually feel the negative effects of Global Warming.

Also Read: Concept of Sustainable Development

Sample Essays on Global Warming

Here are some sample essays on Global Warming:

Essay on Global Warming Paragraph in 100 – 150 words

Global Warming is caused by the increase of carbon dioxide levels in the earth’s atmosphere and is a result of human activities that have been causing harm to our environment for the past few centuries now. Global Warming is something that can’t be ignored and steps have to be taken to tackle the situation globally. The average temperature is constantly rising by 1.5 degrees Celsius over the last few years.

The best method to prevent future damage to the earth, cutting down more forests should be banned and Afforestation should be encouraged. Start by planting trees near your homes and offices, participate in events, and teach the importance of planting trees. It is impossible to undo the damage but it is possible to stop further harm.

Also Read: Social Forestry

Essay on Global Warming in 250 Words

Over a long period, it is observed that the temperature of the earth is increasing. This affected wildlife, animals, humans, and every living organism on earth. Glaciers have been melting, and many countries have started water shortages, flooding, and erosion and all this is because of global warming. 

No one can be blamed for global warming except for humans. Human activities such as gases released from power plants, transportation, and deforestation have increased gases such as carbon dioxide, CFCs, and other pollutants in the earth’s atmosphere.                                              The main question is how can we control the current situation and build a better world for future generations. It starts with little steps by every individual. 

Start using cloth bags made from sustainable materials for all shopping purposes, instead of using high-watt lights use energy-efficient bulbs, switch off the electricity, don’t waste water, abolish deforestation and encourage planting more trees. Shift the use of energy from petroleum or other fossil fuels to wind and solar energy. Instead of throwing out the old clothes donate them to someone so that it is recycled. 

Donate old books, don’t waste paper.  Above all, spread awareness about global warming. Every little thing a person does towards saving the earth will contribute in big or small amounts. We must learn that 1% effort is better than no effort. Pledge to take care of Mother Nature and speak up about global warming.

Also Read: Types of Water Pollution

Essay on Global Warming in 500 Words

Global warming isn’t a prediction, it is happening! A person denying it or unaware of it is in the most simple terms complicit. Do we have another planet to live on? Unfortunately, we have been bestowed with this one planet only that can sustain life yet over the years we have turned a blind eye to the plight it is in. Global warming is not an abstract concept but a global phenomenon occurring ever so slowly even at this moment. Global Warming is a phenomenon that is occurring every minute resulting in a gradual increase in the Earth’s overall climate. Brought about by greenhouse gases that trap the solar radiation in the atmosphere, global warming can change the entire map of the earth, displacing areas, flooding many countries, and destroying multiple lifeforms. Extreme weather is a direct consequence of global warming but it is not an exhaustive consequence. There are virtually limitless effects of global warming which are all harmful to life on earth. The sea level is increasing by 0.12 inches per year worldwide. This is happening because of the melting of polar ice caps because of global warming. This has increased the frequency of floods in many lowland areas and has caused damage to coral reefs. The Arctic is one of the worst-hit areas affected by global warming. Air quality has been adversely affected and the acidity of the seawater has also increased causing severe damage to marine life forms. Severe natural disasters are brought about by global warming which has had dire effects on life and property. As long as mankind produces greenhouse gases, global warming will continue to accelerate. The consequences are felt at a much smaller scale which will increase to become drastic shortly. The power to save the day lies in the hands of humans, the need is to seize the day. Energy consumption should be reduced on an individual basis. Fuel-efficient cars and other electronics should be encouraged to reduce the wastage of energy sources. This will also improve air quality and reduce the concentration of greenhouse gases in the atmosphere. Global warming is an evil that can only be defeated when fought together. It is better late than never. If we all take steps today, we will have a much brighter future tomorrow. Global warming is the bane of our existence and various policies have come up worldwide to fight it but that is not enough. The actual difference is made when we work at an individual level to fight it. Understanding its import now is crucial before it becomes an irrevocable mistake. Exterminating global warming is of utmost importance and each one of us is as responsible for it as the next.  

Also Read: Essay on Library: 100, 200 and 250 Words

Essay on Global Warming UPSC

Always hear about global warming everywhere, but do we know what it is? The evil of the worst form, global warming is a phenomenon that can affect life more fatally. Global warming refers to the increase in the earth’s temperature as a result of various human activities. The planet is gradually getting hotter and threatening the existence of lifeforms on it. Despite being relentlessly studied and researched, global warming for the majority of the population remains an abstract concept of science. It is this concept that over the years has culminated in making global warming a stark reality and not a concept covered in books. Global warming is not caused by one sole reason that can be curbed. Multifarious factors cause global warming most of which are a part of an individual’s daily existence. Burning of fuels for cooking, in vehicles, and for other conventional uses, a large amount of greenhouse gases like carbon dioxide, and methane amongst many others is produced which accelerates global warming. Rampant deforestation also results in global warming as lesser green cover results in an increased presence of carbon dioxide in the atmosphere which is a greenhouse gas.  Finding a solution to global warming is of immediate importance. Global warming is a phenomenon that has to be fought unitedly. Planting more trees can be the first step that can be taken toward warding off the severe consequences of global warming. Increasing the green cover will result in regulating the carbon cycle. There should be a shift from using nonrenewable energy to renewable energy such as wind or solar energy which causes less pollution and thereby hinder the acceleration of global warming. Reducing energy needs at an individual level and not wasting energy in any form is the most important step to be taken against global warming. The warning bells are tolling to awaken us from the deep slumber of complacency we have slipped into. Humans can fight against nature and it is high time we acknowledged that. With all our scientific progress and technological inventions, fighting off the negative effects of global warming is implausible. We have to remember that we do not inherit the earth from our ancestors but borrow it from our future generations and the responsibility lies on our shoulders to bequeath them a healthy planet for life to exist. 

Also Read: Essay on Disaster Management

Climate Change and Global Warming Essay

Global Warming and Climate Change are two sides of the same coin. Both are interrelated with each other and are two issues of major concern worldwide. Greenhouse gases released such as carbon dioxide, CFCs, and other pollutants in the earth’s atmosphere cause Global Warming which leads to climate change. Black holes have started to form in the ozone layer that protects the earth from harmful ultraviolet rays. 

Human activities have created climate change and global warming. Industrial waste and fumes are the major contributors to global warming. 

Another factor affecting is the burning of fossil fuels, deforestation and also one of the reasons for climate change.  Global warming has resulted in shrinking mountain glaciers in Antarctica, Greenland, and the Arctic and causing climate change. Switching from the use of fossil fuels to energy sources like wind and solar. 

When buying any electronic appliance buy the best quality with energy savings stars. Don’t waste water and encourage rainwater harvesting in your community. 

Also Read: Essay on Air Pollution

Tips to Write an Essay

Writing an effective essay needs skills that few people possess and even fewer know how to implement. While writing an essay can be an assiduous task that can be unnerving at times, some key pointers can be inculcated to draft a successful essay. These involve focusing on the structure of the essay, planning it out well, and emphasizing crucial details.

Mentioned below are some pointers that can help you write better structure and more thoughtful essays that will get across to your readers:

• Prepare an outline for the essay to ensure continuity and relevance and no break in the structure of the essay
• Decide on a thesis statement that will form the basis of your essay. It will be the point of your essay and help readers understand your contention
• Follow the structure of an introduction, a detailed body followed by a conclusion so that the readers can comprehend the essay in a particular manner without any dissonance.
• Make your beginning catchy and include solutions in your conclusion to make the essay insightful and lucrative to read
• Reread before putting it out and add your flair to the essay to make it more personal and thereby unique and intriguing for readers  

Also Read: I Love My India Essay: 100 and 500+ Words in English for School Students

Ans. Both natural and man-made factors contribute to global warming. The natural one also contains methane gas, volcanic eruptions, and greenhouse gases. Deforestation, mining, livestock raising, burning fossil fuels, and other man-made causes are next.

Ans. The government and the general public can work together to stop global warming. Trees must be planted more often, and deforestation must be prohibited. Auto usage needs to be curbed, and recycling needs to be promoted.

Ans. Switching to renewable energy sources , adopting sustainable farming, transportation, and energy methods, and conserving water and other natural resources.

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Digvijay Singh

Having 2+ years of experience in educational content writing, withholding a Bachelor's in Physical Education and Sports Science and a strong interest in writing educational content for students enrolled in domestic and foreign study abroad programmes. I believe in offering a distinct viewpoint to the table, to help students deal with the complexities of both domestic and foreign educational systems. Through engaging storytelling and insightful analysis, I aim to inspire my readers to embark on their educational journeys, whether abroad or at home, and to make the most of every learning opportunity that comes their way.

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This was really a good essay on global warming… There has been used many unic words..and I really liked it!!!Seriously I had been looking for a essay about Global warming just like this…

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I want to learn how to write essay writing so I joined this page.This page is very useful for everyone.

Hi, we are glad that we could help you to write essays. We have a beginner’s guide to write essays ( https://leverageedu.com/blog/essay-writing/ ) and we think this might help you.

It is not good , to have global warming in our earth .So we all have to afforestation program on all the world.

thank you so much

Very educative , helpful and it is really going to strength my English knowledge to structure my essay in future

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Global warming is the increase in 𝓽𝓱𝓮 ᴀᴠᴇʀᴀɢᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇs ᴏғ ᴇᴀʀᴛʜ🌎 ᴀᴛᴍᴏsᴘʜᴇʀᴇ

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ENCYCLOPEDIC ENTRY

Global warming.

The causes, effects, and complexities of global warming are important to understand so that we can fight for the health of our planet.

Earth Science, Climatology

Tennessee Power Plant

Ash spews from a coal-fueled power plant in New Johnsonville, Tennessee, United States.

Photograph by Emory Kristof/ National Geographic

Global warming is the long-term warming of the planet’s overall temperature. Though this warming trend has been going on for a long time, its pace has significantly increased in the last hundred years due to the burning of fossil fuels . As the human population has increased, so has the volume of fossil fuels burned. Fossil fuels include coal, oil, and natural gas, and burning them causes what is known as the “greenhouse effect” in Earth’s atmosphere.

The greenhouse effect is when the sun’s rays penetrate the atmosphere, but when that heat is reflected off the surface cannot escape back into space. Gases produced by the burning of fossil fuels prevent the heat from leaving the atmosphere. These greenhouse gasses are carbon dioxide , chlorofluorocarbons, water vapor , methane , and nitrous oxide . The excess heat in the atmosphere has caused the average global temperature to rise overtime, otherwise known as global warming.

Global warming has presented another issue called climate change. Sometimes these phrases are used interchangeably, however, they are different. Climate change refers to changes in weather patterns and growing seasons around the world. It also refers to sea level rise caused by the expansion of warmer seas and melting ice sheets and glaciers . Global warming causes climate change, which poses a serious threat to life on Earth in the forms of widespread flooding and extreme weather. Scientists continue to study global warming and its impact on Earth.

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Multiple Authors

Last year brought no shortage of news. Frontpages around the world were dominated by Russia’s invasion of Ukraine , the death of Queen Elizabeth II and a UK prime minister outlasted by a lettuce .

But in yet another hectic year for news coverage, climate change still made headlines – not least because of the thousands of peer-reviewed journal papers about climate and energy that are published every year. 

These studies were picked up around the world by online news outlets and shared on social media platforms, including Twitter, Facebook and LinkedIn. Tracking all these “mentions” was Altmetric , an organisation that scores academic papers according to the media attention they receive.

Using Altmetric data for 2022, Carbon Brief has compiled its now-traditional list of the 25 most talked-about climate or energy-related papers that were published the previous year.

From megafloods to megadroughts and insects to polar bears, last year saw a broad range of headline-grabbing research – as well as a new record-high Altmetric score for a paper in a Carbon Brief annual review.

The infographic above shows which papers made it into the top 10, while the chart at the end of the article shows which journals feature most frequently in the top 25.

Pandemic prominence

As in 2020 and 2021 , the most talked-about scientific research of the past year has been about Covid-19. 

All but five of the 50 highest scoring papers of 2022 relate to the coronavirus. Those five include two papers on monkeypox (since renamed “mpox”), one on the global burden of drug-resistant bacteria , one that identifies the Epstein-Barr virus as “the leading cause of multiple sclerosis”, and one finding that, in 2020, firearms became the main cause of deaths in children in the US.

Continuing the theme, the most talked-about climate and energy paper of 2022 also relates to the Covid-19 pandemic.

Just outside the overall top 50, in 56th place, is “ Climate change increases cross-species viral transmission risk ”. Published in Nature, the study warns that mammals forced to move to cooler climes amid rising global temperatures are “already” spreading their viruses further – with “undoubtable” impacts for human health.

The research uses modelling to map how climate change could shift the geographic ranges of 3,100 mammal species and the viruses they carry by 2070. It finds that climate change is increasingly driving new encounters between mammal species, raising the risk of novel disease spread. The world’s “biodiversity hotspots” and densely populated parts of Asia and Africa are most likely to be affected.

Speaking to Carbon Brief when the paper was published in April, co-lead author Dr Colin Carlson , a global change biologist at Georgetown University in Washington DC, explained:

“Species are going to show up in new combinations because of climate change and, when they do, that’s an opportunity for them to share viruses with each other.” 

The relevance of the work was “reinforced by the Covid-19 pandemic”, the paper says, “which began only weeks after the completion of this study”. The authors note that Covid-19 “probably originated in south-east Asian horseshoe bats and may have spread to humans through an as-yet-unknown bridge host”. They add:

“Although we caution against over-interpreting our results as explanatory of the current pandemic, our findings suggest that climate change could easily become the dominant anthropogenic force in viral cross-species transmission, which will undoubtedly have a downstream effect on human health and pandemic risk.”

The paper clocks in with an Altmetric score of 7,803 – the highest score for any climate paper featured in Carbon Brief’s annual reviews and only the second time the top-scoring paper has surpassed 7,000. 

(For Carbon Brief’s previous Altmetric articles, see the links for 2021 , 2020 , 2019 , 2018 , 2017 , 2016 and 2015 .)

The study was covered in 716 news stories by 558 outlets around the world, including the Guardian , New York Times , Agence France-Presse , Al Jazeera and New Delhi Times . It was also picked up in 44 blog posts.

The research was the most talked about on Twitter of any of the top 25 climate papers included here. The paper’s URL was included in more than 10,000 tweets from more than 9,000 accounts, which collectively have almost 39 million followers.

Considering the paper’s timing, it is “not surprising” that connecting climate change with pandemics “gathered a bit of attention”, Carlson tells Carbon Brief. 

However, he says, “there’s still a weird pattern where climate gets left out of the conversation [around pandemics] a lot compared to biodiversity loss or wildlife trade”. He adds:

“I think I’ve started to see that change finally, and if we played a part in that, that’s wonderful. Most of my work focuses on the health impacts of climate change, and I think time and time again, we underestimate how bad they’ll be…Climate change is an existential threat to human and animal health, and I hope our study and the conversation around it helped push that envelope a bit.”

The second highest-scoring climate paper of 2022 – clocking in at 70th in the overall 2022 rankings – is, “ Exceeding 1.5C global warming could trigger multiple climate tipping points ”. Published in the journal Science, the study has an Altmetric score of 6,573.

The study’s lead author, Dr David McKay , told Carbon Brief in September that tipping points have been a keen area of interest in the climate community since 2008, when the study, “ Tipping elements in the Earth’s climate system ”, first “broke the ice” on the subject.

His work provides the first comprehensive assessment of climate-related tipping points since the 2008 paper. It identifies 16 climate tipping elements – shown below – and finds a “significant likelihood” that multiple tipping points will be crossed if global temperatures exceed 1.5C above pre-industrial levels.

The study was mentioned in 667 news stories from 397 outlets – including the Guardian , New Scientist and BBC News . It received the highest number of mentions in blog posts and Wikipedia pages of the top 25 climate papers – at 55 and 34, respectively. The study also featured in more than 6,000 tweets.

The study was strategically published just days before researchers, economists and civil society representatives gathered in McKay’s home town of Exeter for a conference on the topic of climate tipping points. Carbon Brief attended the conference, and summarised the key talking points, ideas and proposals that emerged.

Arctic warming

In third place with an Altmetric score of 6,201 is the Communications Earth and Environment study, “ The Arctic has warmed nearly four times faster than the globe since 1979 ”.

It is well known that Arctic temperatures are rising much faster than the global average. Previous estimates suggest that the region is warming twice or even three times as quickly as the rest of the world. However, this new study finds that the Arctic has warmed nearly four times faster than the global average over the past four decades.

Dr Mika Rantanen – a researcher at the Finnish Meteorological Institute and lead author on the study – tells Carbon Brief that “Arctic warming and its consequences have become one of the biggest manifestations of climate change”. As such, he says he and his co-authors expected the paper to attract media attention.

True to his expectations, the article was picked up in 765 news stories from 525 outlets, including the Independent , New York Times , Scientific American and Washington Post . “I think that choosing an attractive title was one reason why the paper was picked up so widely,” Rantanen tells Carbon Brief.

In fourth place, with an Altmetric score of 6,147, is the Nature Climate Change paper, “ Greenland ice sheet climate disequilibrium and committed sea level rise ”. 

The study finds that the “imbalance” of the Greenland ice sheet caused by global warming means it is already committed to contributing “at least” 274mm to global sea levels in future, “regardless of 21st-century climate pathways”.

The research also warned that if Greenland melt was consistently as large as the high-melt year of 2012, this would commit 782mm to sea levels, which serves as “an ominous prognosis for Greenland’s trajectory through a 21st century of warming”.

The study was picked up by 867 news stories from 658 outlets. These include, for example, a Guardian headline warning that major sea level rise from Greenland was now “inevitable”, and an Associated Press article leading on the idea of “zombie ice”:

“That’s doomed ice that, while still attached to thicker areas of ice, is no longer getting replenished by parent glaciers now receiving less snow. Without replenishment, the doomed ice is melting from climate change and will inevitably raise seas.”

Study co-author Dr William Colgan , a glaciologist at the Geological Survey of Denmark and Greenland , told the outlet:

“It’s dead ice. It’s just going to melt and disappear from the ice sheet…This ice has been consigned to the ocean, regardless of what climate (emissions) scenario we take now.”

The paper was also picked up by 37 blog posts and 1,671 tweets.

Completing the top five is another pandemic-related paper, “ Over half of known human pathogenic diseases can be aggravated by climate change ”, also published in Nature Climate Change.

It finds that nearly 60% of pathogen-caused diseases that affect humans have been “at some point aggravated” by climate-related “hazards”, such as warming and drought. 

Specifically, the researchers identify how 375 infectious diseases around the world have been affected by a range of climatic hazards. They find that while 16% of infectious diseases have “at times” been reduced by climate hazards, there are more than 1,000 “unique pathways” by which pathogenic diseases were exacerbated by climate change. 

The authors warn that these pathways are “too numerous for comprehensive societal adaptations” and say that this work highlights the “urgent need to work at the source of the problem: reducing [greenhouse gas] emissions”.

With an overall Altmetric tally of 6,079, the paper would have scored high enough to secure top spot last year . It was covered by 803 news stories from 582 outlets, 31 posts from 28 blogs, and 2,571 tweets from 2,277 users.

Just missing out on a spot in the top five is a “perspective” paper in the Proceedings of the National Academy of Sciences, “ Climate endgame: Exploring catastrophic climate change scenarios ”. This less-than-cheery article on “catastrophic” outcomes of climate change was referenced in 556 news stories from 428 outlets. The BBC News coverage of the study says:

“Catastrophic climate change outcomes, including human extinction, are not being taken seriously enough by scientists, a new study says. The authors say that the consequences of more extreme warming – still on the cards if no action is taken – are ‘dangerously underexplored’. They argue that the world needs to start preparing for the possibility of what they term the ‘climate endgame’.”

With an Altmetric score of 4,807, spot number seven goes to the Advances in Atmospheric Sciences paper, “ Another record: Ocean warming continues through 2021 despite La Niña conditions ”.

The annual Lancet Countdown on Health and Climate Change report clocks in at number eight. The paper – under the heading “health at the mercy of fossil fuels” – was mentioned in 521 news stories from 386 outlets. In a striking summary, the report says:

“Worldwide, people are seeing their health increasingly affected by climate change amidst the compounding impacts of Covid-19 and the cost of living and energy crises; governments and companies continue to prioritise fossil fuels over a healthy future despite climate commitments; and rapid, holistic action is the only route to ensuring a just and healthy future.”

At number nine is the “brief communication” Nature Climate Change paper, “ Rapid intensification of the emerging south-western North American megadrought in 2020-2021 ”. The study finds that the American west’s megadrought is the driest in at least 1,200 years.

The research was picked up in 1,187 new stories – more than any of the other 25 papers included here – including American publications the New York Times , the Washington Post , NBC News and NPR . The paper also topped the tables for blog post mentions, with 76.

Rounding off the top 10 climate articles of 2022 is the Nature Climate Change study, “ Pronounced loss of Amazon rainforest resilience since the early 2000s ”, with an Altmetric score of 4,195. This article was mentioned in 563 news stories from 434 outlets, including Carbon Brief , BBC News , the Independent , the New York Times and New Scientist . 

The study finds that three-quarters of the Amazon rainforest has lost “resilience” since 2003 – making it more vulnerable to extreme events such as droughts. The work shows we are “approaching a tipping point”, the lead author of the study told journalists at a press conference.

Elsewhere in the top 25

The rest of the top 25 contains a varied mix of papers, including how agriculture and climate change are “ reshaping ” insect biodiversity worldwide (12th) and the discovery of a “ genetically distinct and functionally isolated ” population of polar bears from south-eastern Greenland (19th).

Just missing out on the top 10 is, “ Global carbon budget 2022 ”, in 11th place. Published in the journal Earth System Science Data, the paper details the annually estimated “global carbon budget” as produced by the Global Carbon Project .

The paper’s lead author Prof Pierre Friedlingstein , chair of mathematical modelling of climate systems at the University of Exeter , co-wrote a Carbon Brief article to unpack their findings.

The latest data shows that global CO2 emissions from fossil fuels and cement increased by 1.0% in 2022, hitting a new record high of 36.6bn tonnes of CO2. This rise was “primarily driven by a strong increase in oil emissions as global travel continues to recover from the Covid-19 pandemic”, the article says, adding that “coal and gas emissions grew more slowly, though both had record emissions in 2022”.

There are several energy-related papers in the top 25. This includes a paper in 15th place from the Proceedings of the National Academy of Sciences , which finds that “corn-based ethanol in the US has failed to meet the policy’s own greenhouse gas emissions targets and negatively affected water quality, the area of land used for conservation, and other ecosystem processes”. Another is a Joule paper in 20th, which finds that “compared to continuing with a fossil fuel-based system, a rapid green energy transition is likely to result in trillions of net savings”.

The topic of public health features again in the top 25. For example, in 14th place is a Communications Earth & Environment study warning that, under 2C of warming, the exposure to dangerous heat stress “will likely increase by 50-100% across much of the tropics and increase by a factor of 3-10 in many regions throughout the mid-latitudes”.

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Research into extreme weather also appears in the top 25. This includes a Nature Communications study in 18th place on the 2020 North Atlantic hurricane season – the most active on record – which finds that “human-induced climate change increased the extreme three-hourly storm rainfall rates and extreme three-day accumulated rainfall amounts…for observed storms that are at least tropical storm strength”. A Science Advances paper in 23rd place warns that climate change has already doubled the likelihood of an event capable of producing a catastrophic “megaflood” in California.

Finally, rounding out the top 25 is a Nature Geoscience study showing that the Thwaites glacier in west Antarctica has seen “sustained pulses of rapid retreat” in the past two centuries and similar pulses “are likely to occur in the near future”.

All the final scores for the top 25 climate papers of 2022 can be found in this spreadsheet .

Top journals

Across the top 25 papers in Carbon Brief’s leaderboard this year, Nature Climate Change features most frequently with four papers. Nature Climate Change also took first place in 2021 (jointly with Nature) and 2016 (jointly with Science).  

In joint-second place is Nature and Science with three papers each. Nature is perennially high-placed in this analysis, taking first – or joint first – spot in Carbon Brief’s top 25 in 2021 , 2020 , 2019 , 2018 , 2017 and 2015 .

For the rest of the top 25, there are four journals that appear twice and seven that appear once.

Diversity of the top 25

The top 25 climate papers of 2022 cover a huge range of topics and scope. 

The “Lancet Countdown on health and climate change” and “Global Carbon Budget” reports are epic annual publications, which review vast swathes of literature and have around 100 authors each. Meanwhile, three of the climate papers in the list have only two authors, and focus on specific new frontiers of climate research.

In total, the top 25 climate papers of 2022 have more than 400 authors. However, despite the variety in the climate research the papers present, analysis of their authors reveals a distinct lack of diversity.

Carbon Brief recorded the gender and country of affiliation for each of these authors. (The  methodology used was developed by Carbon Brief for analysis presented in a special 2021 series on climate justice .) The analysis reveals that the authors of the climate papers most featured in the media in 2022 are predominantly men from the global north.

The chart below shows the institutional affiliations of all authors in this analysis, broken down by continent – Europe, North America , Oceania, Asia, South America and Africa.

The analysis shows that nine out of every 10 authors are affiliated with institutions from the global north – defined as North America, Europe and Oceania. Meanwhile, there are only two authors from South America, based in Peru, and a single author from Africa, based in South Africa.

Further data analysis shows that there are also inequalities within continents. The map below shows the percentage of authors from each country in the analysis, where dark blue indicates a higher percentage. Countries that are not represented by any authors in the analysis are shown in white.

The top-ranking countries on this map are the US and the UK, which together account for more than half of all authors in this analysis (32% and 19%, respectively). Almost half of all researchers from the global south are from China – which accounts for around 6% of all researchers in the analysis.

None of the authors of the top 25 climate papers of 2022 is from south Asia, central America or the Caribbean.

Meanwhile, only 27% of authors from the top 25 climate papers of 2022 are women. Similarly, only six of the 25 papers have a female lead author.

The plot below shows the number of male (purple) and female (orange) authors in this analysis from each continent.

The full spreadsheet showing the results of this data analysis can be found here. For more on the biases in climate publishing, see Carbon Brief’s article on the lack of diversity in climate-science research .

The Carbon Brief Interview: Octopus Energy’s Greg Jackson 

DeBriefed 10 May 2024: 11 months of record heat; Climate scientists ‘hopeless and broken’; 40 years of the Thames Barrier

Guest post: Solar plus batteries ‘cheaper than new coal’ for meeting China’s rising demand

DeBriefed 3 May 2024: G7 sets end date for coal; Deadly floods around globe; Brazil’s pitch to tax ultra-rich

Update: This article was updated on 09/01/2023 to add in the diversity analysis.

• Analysis: The climate papers most featured in the media in 2022

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A review of the global climate change impacts, adaptation, and sustainable mitigation measures

Kashif abbass.

1 School of Economics and Management, Nanjing University of Science and Technology, Nanjing, 210094 People’s Republic of China

Muhammad Zeeshan Qasim

2 Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Xiaolingwei 200, Nanjing, 210094 People’s Republic of China

Huaming Song

Muntasir murshed.

3 School of Business and Economics, North South University, Dhaka, 1229 Bangladesh

4 Department of Journalism, Media and Communications, Daffodil International University, Dhaka, Bangladesh

Haider Mahmood

5 Department of Finance, College of Business Administration, Prince Sattam Bin Abdulaziz University, 173, Alkharj, 11942 Saudi Arabia

Ijaz Younis

Associated data.

Data sources and relevant links are provided in the paper to access data.

Climate change is a long-lasting change in the weather arrays across tropics to polls. It is a global threat that has embarked on to put stress on various sectors. This study is aimed to conceptually engineer how climate variability is deteriorating the sustainability of diverse sectors worldwide. Specifically, the agricultural sector’s vulnerability is a globally concerning scenario, as sufficient production and food supplies are threatened due to irreversible weather fluctuations. In turn, it is challenging the global feeding patterns, particularly in countries with agriculture as an integral part of their economy and total productivity. Climate change has also put the integrity and survival of many species at stake due to shifts in optimum temperature ranges, thereby accelerating biodiversity loss by progressively changing the ecosystem structures. Climate variations increase the likelihood of particular food and waterborne and vector-borne diseases, and a recent example is a coronavirus pandemic. Climate change also accelerates the enigma of antimicrobial resistance, another threat to human health due to the increasing incidence of resistant pathogenic infections. Besides, the global tourism industry is devastated as climate change impacts unfavorable tourism spots. The methodology investigates hypothetical scenarios of climate variability and attempts to describe the quality of evidence to facilitate readers’ careful, critical engagement. Secondary data is used to identify sustainability issues such as environmental, social, and economic viability. To better understand the problem, gathered the information in this report from various media outlets, research agencies, policy papers, newspapers, and other sources. This review is a sectorial assessment of climate change mitigation and adaptation approaches worldwide in the aforementioned sectors and the associated economic costs. According to the findings, government involvement is necessary for the country’s long-term development through strict accountability of resources and regulations implemented in the past to generate cutting-edge climate policy. Therefore, mitigating the impacts of climate change must be of the utmost importance, and hence, this global threat requires global commitment to address its dreadful implications to ensure global sustenance.

Introduction

Worldwide observed and anticipated climatic changes for the twenty-first century and global warming are significant global changes that have been encountered during the past 65 years. Climate change (CC) is an inter-governmental complex challenge globally with its influence over various components of the ecological, environmental, socio-political, and socio-economic disciplines (Adger et al.  2005 ; Leal Filho et al.  2021 ; Feliciano et al.  2022 ). Climate change involves heightened temperatures across numerous worlds (Battisti and Naylor  2009 ; Schuurmans  2021 ; Weisheimer and Palmer  2005 ; Yadav et al.  2015 ). With the onset of the industrial revolution, the problem of earth climate was amplified manifold (Leppänen et al.  2014 ). It is reported that the immediate attention and due steps might increase the probability of overcoming its devastating impacts. It is not plausible to interpret the exact consequences of climate change (CC) on a sectoral basis (Izaguirre et al.  2021 ; Jurgilevich et al.  2017 ), which is evident by the emerging level of recognition plus the inclusion of climatic uncertainties at both local and national level of policymaking (Ayers et al.  2014 ).

Climate change is characterized based on the comprehensive long-haul temperature and precipitation trends and other components such as pressure and humidity level in the surrounding environment. Besides, the irregular weather patterns, retreating of global ice sheets, and the corresponding elevated sea level rise are among the most renowned international and domestic effects of climate change (Lipczynska-Kochany  2018 ; Michel et al.  2021 ; Murshed and Dao 2020 ). Before the industrial revolution, natural sources, including volcanoes, forest fires, and seismic activities, were regarded as the distinct sources of greenhouse gases (GHGs) such as CO 2 , CH 4 , N 2 O, and H 2 O into the atmosphere (Murshed et al. 2020 ; Hussain et al.  2020 ; Sovacool et al.  2021 ; Usman and Balsalobre-Lorente 2022 ; Murshed 2022 ). United Nations Framework Convention on Climate Change (UNFCCC) struck a major agreement to tackle climate change and accelerate and intensify the actions and investments required for a sustainable low-carbon future at Conference of the Parties (COP-21) in Paris on December 12, 2015. The Paris Agreement expands on the Convention by bringing all nations together for the first time in a single cause to undertake ambitious measures to prevent climate change and adapt to its impacts, with increased funding to assist developing countries in doing so. As so, it marks a turning point in the global climate fight. The core goal of the Paris Agreement is to improve the global response to the threat of climate change by keeping the global temperature rise this century well below 2 °C over pre-industrial levels and to pursue efforts to limit the temperature increase to 1.5° C (Sharma et al. 2020 ; Sharif et al. 2020 ; Chien et al. 2021 .

Furthermore, the agreement aspires to strengthen nations’ ability to deal with the effects of climate change and align financing flows with low GHG emissions and climate-resilient paths (Shahbaz et al. 2019 ; Anwar et al. 2021 ; Usman et al. 2022a ). To achieve these lofty goals, adequate financial resources must be mobilized and provided, as well as a new technology framework and expanded capacity building, allowing developing countries and the most vulnerable countries to act under their respective national objectives. The agreement also establishes a more transparent action and support mechanism. All Parties are required by the Paris Agreement to do their best through “nationally determined contributions” (NDCs) and to strengthen these efforts in the coming years (Balsalobre-Lorente et al. 2020 ). It includes obligations that all Parties regularly report on their emissions and implementation activities. A global stock-take will be conducted every five years to review collective progress toward the agreement’s goal and inform the Parties’ future individual actions. The Paris Agreement became available for signature on April 22, 2016, Earth Day, at the United Nations Headquarters in New York. On November 4, 2016, it went into effect 30 days after the so-called double threshold was met (ratification by 55 nations accounting for at least 55% of world emissions). More countries have ratified and continue to ratify the agreement since then, bringing 125 Parties in early 2017. To fully operationalize the Paris Agreement, a work program was initiated in Paris to define mechanisms, processes, and recommendations on a wide range of concerns (Murshed et al. 2021 ). Since 2016, Parties have collaborated in subsidiary bodies (APA, SBSTA, and SBI) and numerous formed entities. The Conference of the Parties functioning as the meeting of the Parties to the Paris Agreement (CMA) convened for the first time in November 2016 in Marrakesh in conjunction with COP22 and made its first two resolutions. The work plan is scheduled to be finished by 2018. Some mitigation and adaptation strategies to reduce the emission in the prospective of Paris agreement are following firstly, a long-term goal of keeping the increase in global average temperature to well below 2 °C above pre-industrial levels, secondly, to aim to limit the rise to 1.5 °C, since this would significantly reduce risks and the impacts of climate change, thirdly, on the need for global emissions to peak as soon as possible, recognizing that this will take longer for developing countries, lastly, to undertake rapid reductions after that under the best available science, to achieve a balance between emissions and removals in the second half of the century. On the other side, some adaptation strategies are; strengthening societies’ ability to deal with the effects of climate change and to continue & expand international assistance for developing nations’ adaptation.

However, anthropogenic activities are currently regarded as most accountable for CC (Murshed et al. 2022 ). Apart from the industrial revolution, other anthropogenic activities include excessive agricultural operations, which further involve the high use of fuel-based mechanization, burning of agricultural residues, burning fossil fuels, deforestation, national and domestic transportation sectors, etc. (Huang et al.  2016 ). Consequently, these anthropogenic activities lead to climatic catastrophes, damaging local and global infrastructure, human health, and total productivity. Energy consumption has mounted GHGs levels concerning warming temperatures as most of the energy production in developing countries comes from fossil fuels (Balsalobre-Lorente et al. 2022 ; Usman et al. 2022b ; Abbass et al. 2021a ; Ishikawa-Ishiwata and Furuya  2022 ).

This review aims to highlight the effects of climate change in a socio-scientific aspect by analyzing the existing literature on various sectorial pieces of evidence globally that influence the environment. Although this review provides a thorough examination of climate change and its severe affected sectors that pose a grave danger for global agriculture, biodiversity, health, economy, forestry, and tourism, and to purpose some practical prophylactic measures and mitigation strategies to be adapted as sound substitutes to survive from climate change (CC) impacts. The societal implications of irregular weather patterns and other effects of climate changes are discussed in detail. Some numerous sustainable mitigation measures and adaptation practices and techniques at the global level are discussed in this review with an in-depth focus on its economic, social, and environmental aspects. Methods of data collection section are included in the supplementary information.

Review methodology

Related study and its objectives.

Today, we live an ordinary life in the beautiful digital, globalized world where climate change has a decisive role. What happens in one country has a massive influence on geographically far apart countries, which points to the current crisis known as COVID-19 (Sarkar et al.  2021 ). The most dangerous disease like COVID-19 has affected the world’s climate changes and economic conditions (Abbass et al. 2022 ; Pirasteh-Anosheh et al.  2021 ). The purpose of the present study is to review the status of research on the subject, which is based on “Global Climate Change Impacts, adaptation, and sustainable mitigation measures” by systematically reviewing past published and unpublished research work. Furthermore, the current study seeks to comment on research on the same topic and suggest future research on the same topic. Specifically, the present study aims: The first one is, organize publications to make them easy and quick to find. Secondly, to explore issues in this area, propose an outline of research for future work. The third aim of the study is to synthesize the previous literature on climate change, various sectors, and their mitigation measurement. Lastly , classify the articles according to the different methods and procedures that have been adopted.

Review methodology for reviewers

This review-based article followed systematic literature review techniques that have proved the literature review as a rigorous framework (Benita  2021 ; Tranfield et al.  2003 ). Moreover, we illustrate in Fig.  1 the search method that we have started for this research. First, finalized the research theme to search literature (Cooper et al.  2018 ). Second, used numerous research databases to search related articles and download from the database (Web of Science, Google Scholar, Scopus Index Journals, Emerald, Elsevier Science Direct, Springer, and Sciverse). We focused on various articles, with research articles, feedback pieces, short notes, debates, and review articles published in scholarly journals. Reports used to search for multiple keywords such as “Climate Change,” “Mitigation and Adaptation,” “Department of Agriculture and Human Health,” “Department of Biodiversity and Forestry,” etc.; in summary, keyword list and full text have been made. Initially, the search for keywords yielded a large amount of literature.

Methodology search for finalized articles for investigations.

Source : constructed by authors

Since 2020, it has been impossible to review all the articles found; some restrictions have been set for the literature exhibition. The study searched 95 articles on a different database mentioned above based on the nature of the study. It excluded 40 irrelevant papers due to copied from a previous search after readings tiles, abstract and full pieces. The criteria for inclusion were: (i) articles focused on “Global Climate Change Impacts, adaptation, and sustainable mitigation measures,” and (ii) the search key terms related to study requirements. The complete procedure yielded 55 articles for our study. We repeat our search on the “Web of Science and Google Scholars” database to enhance the search results and check the referenced articles.

In this study, 55 articles are reviewed systematically and analyzed for research topics and other aspects, such as the methods, contexts, and theories used in these studies. Furthermore, this study analyzes closely related areas to provide unique research opportunities in the future. The study also discussed future direction opportunities and research questions by understanding the research findings climate changes and other affected sectors. The reviewed paper framework analysis process is outlined in Fig.  2 .

Framework of the analysis Process.

Natural disasters and climate change’s socio-economic consequences

Natural and environmental disasters can be highly variable from year to year; some years pass with very few deaths before a significant disaster event claims many lives (Symanski et al.  2021 ). Approximately 60,000 people globally died from natural disasters each year on average over the past decade (Ritchie and Roser  2014 ; Wiranata and Simbolon  2021 ). So, according to the report, around 0.1% of global deaths. Annual variability in the number and share of deaths from natural disasters in recent decades are shown in Fig.  3 . The number of fatalities can be meager—sometimes less than 10,000, and as few as 0.01% of all deaths. But shock events have a devastating impact: the 1983–1985 famine and drought in Ethiopia; the 2004 Indian Ocean earthquake and tsunami; Cyclone Nargis, which struck Myanmar in 2008; and the 2010 Port-au-Prince earthquake in Haiti and now recent example is COVID-19 pandemic (Erman et al.  2021 ). These events pushed global disaster deaths to over 200,000—more than 0.4% of deaths in these years. Low-frequency, high-impact events such as earthquakes and tsunamis are not preventable, but such high losses of human life are. Historical evidence shows that earlier disaster detection, more robust infrastructure, emergency preparedness, and response programmers have substantially reduced disaster deaths worldwide. Low-income is also the most vulnerable to disasters; improving living conditions, facilities, and response services in these areas would be critical in reducing natural disaster deaths in the coming decades.

Global deaths from natural disasters, 1978 to 2020.

Source EMDAT ( 2020 )

The interior regions of the continent are likely to be impacted by rising temperatures (Dimri et al.  2018 ; Goes et al.  2020 ; Mannig et al.  2018 ; Schuurmans  2021 ). Weather patterns change due to the shortage of natural resources (water), increase in glacier melting, and rising mercury are likely to cause extinction to many planted species (Gampe et al.  2016 ; Mihiretu et al.  2021 ; Shaffril et al.  2018 ).On the other hand, the coastal ecosystem is on the verge of devastation (Perera et al.  2018 ; Phillips  2018 ). The temperature rises, insect disease outbreaks, health-related problems, and seasonal and lifestyle changes are persistent, with a strong probability of these patterns continuing in the future (Abbass et al. 2021c ; Hussain et al.  2018 ). At the global level, a shortage of good infrastructure and insufficient adaptive capacity are hammering the most (IPCC  2013 ). In addition to the above concerns, a lack of environmental education and knowledge, outdated consumer behavior, a scarcity of incentives, a lack of legislation, and the government’s lack of commitment to climate change contribute to the general public’s concerns. By 2050, a 2 to 3% rise in mercury and a drastic shift in rainfall patterns may have serious consequences (Huang et al. 2022 ; Gorst et al.  2018 ). Natural and environmental calamities caused huge losses globally, such as decreased agriculture outputs, rehabilitation of the system, and rebuilding necessary technologies (Ali and Erenstein  2017 ; Ramankutty et al.  2018 ; Yu et al.  2021 ) (Table ​ (Table1). 1 ). Furthermore, in the last 3 or 4 years, the world has been plagued by smog-related eye and skin diseases, as well as a rise in road accidents due to poor visibility.

Main natural danger statistics for 1985–2020 at the global level

Source: EM-DAT ( 2020 )

Climate change and agriculture

Global agriculture is the ultimate sector responsible for 30–40% of all greenhouse emissions, which makes it a leading industry predominantly contributing to climate warming and significantly impacted by it (Grieg; Mishra et al.  2021 ; Ortiz et al.  2021 ; Thornton and Lipper  2014 ). Numerous agro-environmental and climatic factors that have a dominant influence on agriculture productivity (Pautasso et al.  2012 ) are significantly impacted in response to precipitation extremes including floods, forest fires, and droughts (Huang  2004 ). Besides, the immense dependency on exhaustible resources also fuels the fire and leads global agriculture to become prone to devastation. Godfray et al. ( 2010 ) mentioned that decline in agriculture challenges the farmer’s quality of life and thus a significant factor to poverty as the food and water supplies are critically impacted by CC (Ortiz et al.  2021 ; Rosenzweig et al.  2014 ). As an essential part of the economic systems, especially in developing countries, agricultural systems affect the overall economy and potentially the well-being of households (Schlenker and Roberts  2009 ). According to the report published by the Intergovernmental Panel on Climate Change (IPCC), atmospheric concentrations of greenhouse gases, i.e., CH 4, CO 2 , and N 2 O, are increased in the air to extraordinary levels over the last few centuries (Usman and Makhdum 2021 ; Stocker et al.  2013 ). Climate change is the composite outcome of two different factors. The first is the natural causes, and the second is the anthropogenic actions (Karami 2012 ). It is also forecasted that the world may experience a typical rise in temperature stretching from 1 to 3.7 °C at the end of this century (Pachauri et al. 2014 ). The world’s crop production is also highly vulnerable to these global temperature-changing trends as raised temperatures will pose severe negative impacts on crop growth (Reidsma et al. 2009 ). Some of the recent modeling about the fate of global agriculture is briefly described below.

Decline in cereal productivity

Crop productivity will also be affected dramatically in the next few decades due to variations in integral abiotic factors such as temperature, solar radiation, precipitation, and CO 2 . These all factors are included in various regulatory instruments like progress and growth, weather-tempted changes, pest invasions (Cammell and Knight 1992 ), accompanying disease snags (Fand et al. 2012 ), water supplies (Panda et al. 2003 ), high prices of agro-products in world’s agriculture industry, and preeminent quantity of fertilizer consumption. Lobell and field ( 2007 ) claimed that from 1962 to 2002, wheat crop output had condensed significantly due to rising temperatures. Therefore, during 1980–2011, the common wheat productivity trends endorsed extreme temperature events confirmed by Gourdji et al. ( 2013 ) around South Asia, South America, and Central Asia. Various other studies (Asseng, Cao, Zhang, and Ludwig 2009 ; Asseng et al. 2013 ; García et al. 2015 ; Ortiz et al. 2021 ) also proved that wheat output is negatively affected by the rising temperatures and also caused adverse effects on biomass productivity (Calderini et al. 1999 ; Sadras and Slafer 2012 ). Hereafter, the rice crop is also influenced by the high temperatures at night. These difficulties will worsen because the temperature will be rising further in the future owing to CC (Tebaldi et al. 2006 ). Another research conducted in China revealed that a 4.6% of rice production per 1 °C has happened connected with the advancement in night temperatures (Tao et al. 2006 ). Moreover, the average night temperature growth also affected rice indicia cultivar’s output pragmatically during 25 years in the Philippines (Peng et al. 2004 ). It is anticipated that the increase in world average temperature will also cause a substantial reduction in yield (Hatfield et al. 2011 ; Lobell and Gourdji 2012 ). In the southern hemisphere, Parry et al. ( 2007 ) noted a rise of 1–4 °C in average daily temperatures at the end of spring season unti the middle of summers, and this raised temperature reduced crop output by cutting down the time length for phenophases eventually reduce the yield (Hatfield and Prueger 2015 ; R. Ortiz 2008 ). Also, world climate models have recommended that humid and subtropical regions expect to be plentiful prey to the upcoming heat strokes (Battisti and Naylor 2009 ). Grain production is the amalgamation of two constituents: the average weight and the grain output/m 2 , however, in crop production. Crop output is mainly accredited to the grain quantity (Araus et al. 2008 ; Gambín and Borrás 2010 ). In the times of grain set, yield resources are mainly strewn between hitherto defined components, i.e., grain usual weight and grain output, which presents a trade-off between them (Gambín and Borrás 2010 ) beside disparities in per grain integration (B. L. Gambín et al. 2006 ). In addition to this, the maize crop is also susceptible to raised temperatures, principally in the flowering stage (Edreira and Otegui 2013 ). In reality, the lower grain number is associated with insufficient acclimatization due to intense photosynthesis and higher respiration and the high-temperature effect on the reproduction phenomena (Edreira and Otegui 2013 ). During the flowering phase, maize visible to heat (30–36 °C) seemed less anthesis-silking intermissions (Edreira et al. 2011 ). Another research by Dupuis and Dumas ( 1990 ) proved that a drop in spikelet when directly visible to high temperatures above 35 °C in vitro pollination. Abnormalities in kernel number claimed by Vega et al. ( 2001 ) is related to conceded plant development during a flowering phase that is linked with the active ear growth phase and categorized as a critical phase for approximation of kernel number during silking (Otegui and Bonhomme 1998 ).

The retort of rice output to high temperature presents disparities in flowering patterns, and seed set lessens and lessens grain weight (Qasim et al. 2020 ; Qasim, Hammad, Maqsood, Tariq, & Chawla). During the daytime, heat directly impacts flowers which lessens the thesis period and quickens the earlier peak flowering (Tao et al. 2006 ). Antagonistic effect of higher daytime temperature d on pollen sprouting proposed seed set decay, whereas, seed set was lengthily reduced than could be explicated by pollen growing at high temperatures 40◦C (Matsui et al. 2001 ).

The decline in wheat output is linked with higher temperatures, confirmed in numerous studies (Semenov 2009 ; Stone and Nicolas 1994 ). High temperatures fast-track the arrangements of plant expansion (Blum et al. 2001 ), diminution photosynthetic process (Salvucci and Crafts‐Brandner 2004 ), and also considerably affect the reproductive operations (Farooq et al. 2011 ).

The destructive impacts of CC induced weather extremes to deteriorate the integrity of crops (Chaudhary et al. 2011 ), e.g., Spartan cold and extreme fog cause falling and discoloration of betel leaves (Rosenzweig et al. 2001 ), giving them a somehow reddish appearance, squeezing of lemon leaves (Pautasso et al. 2012 ), as well as root rot of pineapple, have reported (Vedwan and Rhoades 2001 ). Henceforth, in tackling the disruptive effects of CC, several short-term and long-term management approaches are the crucial need of time (Fig.  4 ). Moreover, various studies (Chaudhary et al. 2011 ; Patz et al. 2005 ; Pautasso et al. 2012 ) have demonstrated adapting trends such as ameliorating crop diversity can yield better adaptability towards CC.

Schematic description of potential impacts of climate change on the agriculture sector and the appropriate mitigation and adaptation measures to overcome its impact.

Climate change impacts on biodiversity

Global biodiversity is among the severe victims of CC because it is the fastest emerging cause of species loss. Studies demonstrated that the massive scale species dynamics are considerably associated with diverse climatic events (Abraham and Chain 1988 ; Manes et al. 2021 ; A. M. D. Ortiz et al. 2021 ). Both the pace and magnitude of CC are altering the compatible habitat ranges for living entities of marine, freshwater, and terrestrial regions. Alterations in general climate regimes influence the integrity of ecosystems in numerous ways, such as variation in the relative abundance of species, range shifts, changes in activity timing, and microhabitat use (Bates et al. 2014 ). The geographic distribution of any species often depends upon its ability to tolerate environmental stresses, biological interactions, and dispersal constraints. Hence, instead of the CC, the local species must only accept, adapt, move, or face extinction (Berg et al. 2010 ). So, the best performer species have a better survival capacity for adjusting to new ecosystems or a decreased perseverance to survive where they are already situated (Bates et al. 2014 ). An important aspect here is the inadequate habitat connectivity and access to microclimates, also crucial in raising the exposure to climate warming and extreme heatwave episodes. For example, the carbon sequestration rates are undergoing fluctuations due to climate-driven expansion in the range of global mangroves (Cavanaugh et al. 2014 ).

Similarly, the loss of kelp-forest ecosystems in various regions and its occupancy by the seaweed turfs has set the track for elevated herbivory by the high influx of tropical fish populations. Not only this, the increased water temperatures have exacerbated the conditions far away from the physiological tolerance level of the kelp communities (Vergés et al. 2016 ; Wernberg et al. 2016 ). Another pertinent danger is the devastation of keystone species, which even has more pervasive effects on the entire communities in that habitat (Zarnetske et al. 2012 ). It is particularly important as CC does not specify specific populations or communities. Eventually, this CC-induced redistribution of species may deteriorate carbon storage and the net ecosystem productivity (Weed et al. 2013 ). Among the typical disruptions, the prominent ones include impacts on marine and terrestrial productivity, marine community assembly, and the extended invasion of toxic cyanobacteria bloom (Fossheim et al. 2015 ).

The CC-impacted species extinction is widely reported in the literature (Beesley et al. 2019 ; Urban 2015 ), and the predictions of demise until the twenty-first century are dreadful (Abbass et al. 2019 ; Pereira et al. 2013 ). In a few cases, northward shifting of species may not be formidable as it allows mountain-dwelling species to find optimum climates. However, the migrant species may be trapped in isolated and incompatible habitats due to losing topography and range (Dullinger et al. 2012 ). For example, a study indicated that the American pika has been extirpated or intensely diminished in some regions, primarily attributed to the CC-impacted extinction or at least local extirpation (Stewart et al. 2015 ). Besides, the anticipation of persistent responses to the impacts of CC often requires data records of several decades to rigorously analyze the critical pre and post CC patterns at species and ecosystem levels (Manes et al. 2021 ; Testa et al. 2018 ).

Nonetheless, the availability of such long-term data records is rare; hence, attempts are needed to focus on these profound aspects. Biodiversity is also vulnerable to the other associated impacts of CC, such as rising temperatures, droughts, and certain invasive pest species. For instance, a study revealed the changes in the composition of plankton communities attributed to rising temperatures. Henceforth, alterations in such aquatic producer communities, i.e., diatoms and calcareous plants, can ultimately lead to variation in the recycling of biological carbon. Moreover, such changes are characterized as a potential contributor to CO 2 differences between the Pleistocene glacial and interglacial periods (Kohfeld et al. 2005 ).

Climate change implications on human health

It is an understood corporality that human health is a significant victim of CC (Costello et al. 2009 ). According to the WHO, CC might be responsible for 250,000 additional deaths per year during 2030–2050 (Watts et al. 2015 ). These deaths are attributed to extreme weather-induced mortality and morbidity and the global expansion of vector-borne diseases (Lemery et al. 2021; Yang and Usman 2021 ; Meierrieks 2021 ; UNEP 2017 ). Here, some of the emerging health issues pertinent to this global problem are briefly described.

Climate change and antimicrobial resistance with corresponding economic costs

Antimicrobial resistance (AMR) is an up-surging complex global health challenge (Garner et al. 2019 ; Lemery et al. 2021 ). Health professionals across the globe are extremely worried due to this phenomenon that has critical potential to reverse almost all the progress that has been achieved so far in the health discipline (Gosling and Arnell 2016 ). A massive amount of antibiotics is produced by many pharmaceutical industries worldwide, and the pathogenic microorganisms are gradually developing resistance to them, which can be comprehended how strongly this aspect can shake the foundations of national and global economies (UNEP 2017 ). This statement is supported by the fact that AMR is not developing in a particular region or country. Instead, it is flourishing in every continent of the world (WHO 2018 ). This plague is heavily pushing humanity to the post-antibiotic era, in which currently antibiotic-susceptible pathogens will once again lead to certain endemics and pandemics after being resistant(WHO 2018 ). Undesirably, if this statement would become a factuality, there might emerge certain risks in undertaking sophisticated interventions such as chemotherapy, joint replacement cases, and organ transplantation (Su et al. 2018 ). Presently, the amplification of drug resistance cases has made common illnesses like pneumonia, post-surgical infections, HIV/AIDS, tuberculosis, malaria, etc., too difficult and costly to be treated or cure well (WHO 2018 ). From a simple example, it can be assumed how easily antibiotic-resistant strains can be transmitted from one person to another and ultimately travel across the boundaries (Berendonk et al. 2015 ). Talking about the second- and third-generation classes of antibiotics, e.g., most renowned generations of cephalosporin antibiotics that are more expensive, broad-spectrum, more toxic, and usually require more extended periods whenever prescribed to patients (Lemery et al. 2021 ; Pärnänen et al. 2019 ). This scenario has also revealed that the abundance of resistant strains of pathogens was also higher in the Southern part (WHO 2018 ). As southern parts are generally warmer than their counterparts, it is evident from this example how CC-induced global warming can augment the spread of antibiotic-resistant strains within the biosphere, eventually putting additional economic burden in the face of developing new and costlier antibiotics. The ARG exchange to susceptible bacteria through one of the potential mechanisms, transformation, transduction, and conjugation; Selection pressure can be caused by certain antibiotics, metals or pesticides, etc., as shown in Fig.  5 .

A typical interaction between the susceptible and resistant strains.

Source: Elsayed et al. ( 2021 ); Karkman et al. ( 2018 )

Certain studies highlighted that conventional urban wastewater treatment plants are typical hotspots where most bacterial strains exchange genetic material through horizontal gene transfer (Fig.  5 ). Although at present, the extent of risks associated with the antibiotic resistance found in wastewater is complicated; environmental scientists and engineers have particular concerns about the potential impacts of these antibiotic resistance genes on human health (Ashbolt 2015 ). At most undesirable and worst case, these antibiotic-resistant genes containing bacteria can make their way to enter into the environment (Pruden et al. 2013 ), irrigation water used for crops and public water supplies and ultimately become a part of food chains and food webs (Ma et al. 2019 ; D. Wu et al. 2019 ). This problem has been reported manifold in several countries (Hendriksen et al. 2019 ), where wastewater as a means of irrigated water is quite common.

Climate change and vector borne-diseases

Temperature is a fundamental factor for the sustenance of living entities regardless of an ecosystem. So, a specific living being, especially a pathogen, requires a sophisticated temperature range to exist on earth. The second essential component of CC is precipitation, which also impacts numerous infectious agents’ transport and dissemination patterns. Global rising temperature is a significant cause of many species extinction. On the one hand, this changing environmental temperature may be causing species extinction, and on the other, this warming temperature might favor the thriving of some new organisms. Here, it was evident that some pathogens may also upraise once non-evident or reported (Patz et al. 2000 ). This concept can be exemplified through certain pathogenic strains of microorganisms that how the likelihood of various diseases increases in response to climate warming-induced environmental changes (Table ​ (Table2 2 ).

Examples of how various environmental changes affect various infectious diseases in humans

Source: Aron and Patz ( 2001 )

A recent example is an outburst of coronavirus (COVID-19) in the Republic of China, causing pneumonia and severe acute respiratory complications (Cui et al. 2021 ; Song et al. 2021 ). The large family of viruses is harbored in numerous animals, bats, and snakes in particular (livescience.com) with the subsequent transfer into human beings. Hence, it is worth noting that the thriving of numerous vectors involved in spreading various diseases is influenced by Climate change (Ogden 2018 ; Santos et al. 2021 ).

Psychological impacts of climate change

Climate change (CC) is responsible for the rapid dissemination and exaggeration of certain epidemics and pandemics. In addition to the vast apparent impacts of climate change on health, forestry, agriculture, etc., it may also have psychological implications on vulnerable societies. It can be exemplified through the recent outburst of (COVID-19) in various countries around the world (Pal 2021 ). Besides, the victims of this viral infection have made healthy beings scarier and terrified. In the wake of such epidemics, people with common colds or fever are also frightened and must pass specific regulatory protocols. Living in such situations continuously terrifies the public and makes the stress familiar, which eventually makes them psychologically weak (npr.org).

CC boosts the extent of anxiety, distress, and other issues in public, pushing them to develop various mental-related problems. Besides, frequent exposure to extreme climatic catastrophes such as geological disasters also imprints post-traumatic disorder, and their ubiquitous occurrence paves the way to developing chronic psychological dysfunction. Moreover, repetitive listening from media also causes an increase in the person’s stress level (Association 2020 ). Similarly, communities living in flood-prone areas constantly live in extreme fear of drowning and die by floods. In addition to human lives, the flood-induced destruction of physical infrastructure is a specific reason for putting pressure on these communities (Ogden 2018 ). For instance, Ogden ( 2018 ) comprehensively denoted that Katrina’s Hurricane augmented the mental health issues in the victim communities.

Climate change impacts on the forestry sector

Forests are the global regulators of the world’s climate (FAO 2018 ) and have an indispensable role in regulating global carbon and nitrogen cycles (Rehman et al. 2021 ; Reichstein and Carvalhais 2019 ). Hence, disturbances in forest ecology affect the micro and macro-climates (Ellison et al. 2017 ). Climate warming, in return, has profound impacts on the growth and productivity of transboundary forests by influencing the temperature and precipitation patterns, etc. As CC induces specific changes in the typical structure and functions of ecosystems (Zhang et al. 2017 ) as well impacts forest health, climate change also has several devastating consequences such as forest fires, droughts, pest outbreaks (EPA 2018 ), and last but not the least is the livelihoods of forest-dependent communities. The rising frequency and intensity of another CC product, i.e., droughts, pose plenty of challenges to the well-being of global forests (Diffenbaugh et al. 2017 ), which is further projected to increase soon (Hartmann et al. 2018 ; Lehner et al. 2017 ; Rehman et al. 2021 ). Hence, CC induces storms, with more significant impacts also put extra pressure on the survival of the global forests (Martínez-Alvarado et al. 2018 ), significantly since their influences are augmented during higher winter precipitations with corresponding wetter soils causing weak root anchorage of trees (Brázdil et al. 2018 ). Surging temperature regimes causes alterations in usual precipitation patterns, which is a significant hurdle for the survival of temperate forests (Allen et al. 2010 ; Flannigan et al. 2013 ), letting them encounter severe stress and disturbances which adversely affects the local tree species (Hubbart et al. 2016 ; Millar and Stephenson 2015 ; Rehman et al. 2021 ).

Climate change impacts on forest-dependent communities

Forests are the fundamental livelihood resource for about 1.6 billion people worldwide; out of them, 350 million are distinguished with relatively higher reliance (Bank 2008 ). Agro-forestry-dependent communities comprise 1.2 billion, and 60 million indigenous people solely rely on forests and their products to sustain their lives (Sunderlin et al. 2005 ). For example, in the entire African continent, more than 2/3rd of inhabitants depend on forest resources and woodlands for their alimonies, e.g., food, fuelwood and grazing (Wasiq and Ahmad 2004 ). The livings of these people are more intensely affected by the climatic disruptions making their lives harder (Brown et al. 2014 ). On the one hand, forest communities are incredibly vulnerable to CC due to their livelihoods, cultural and spiritual ties as well as socio-ecological connections, and on the other, they are not familiar with the term “climate change.” (Rahman and Alam 2016 ). Among the destructive impacts of temperature and rainfall, disruption of the agroforestry crops with resultant downscale growth and yield (Macchi et al. 2008 ). Cruz ( 2015 ) ascribed that forest-dependent smallholder farmers in the Philippines face the enigma of delayed fruiting, more severe damages by insect and pest incidences due to unfavorable temperature regimes, and changed rainfall patterns.

Among these series of challenges to forest communities, their well-being is also distinctly vulnerable to CC. Though the detailed climate change impacts on human health have been comprehensively mentioned in the previous section, some studies have listed a few more devastating effects on the prosperity of forest-dependent communities. For instance, the Himalayan people have been experiencing frequent skin-borne diseases such as malaria and other skin diseases due to increasing mosquitoes, wild boar as well, and new wasps species, particularly in higher altitudes that were almost non-existent before last 5–10 years (Xu et al. 2008 ). Similarly, people living at high altitudes in Bangladesh have experienced frequent mosquito-borne calamities (Fardous; Sharma 2012 ). In addition, the pace of other waterborne diseases such as infectious diarrhea, cholera, pathogenic induced abdominal complications and dengue has also been boosted in other distinguished regions of Bangladesh (Cell 2009 ; Gunter et al. 2008 ).

Pest outbreak

Upscaling hotter climate may positively affect the mobile organisms with shorter generation times because they can scurry from harsh conditions than the immobile species (Fettig et al. 2013 ; Schoene and Bernier 2012 ) and are also relatively more capable of adapting to new environments (Jactel et al. 2019 ). It reveals that insects adapt quickly to global warming due to their mobility advantages. Due to past outbreaks, the trees (forests) are relatively more susceptible victims (Kurz et al. 2008 ). Before CC, the influence of factors mentioned earlier, i.e., droughts and storms, was existent and made the forests susceptible to insect pest interventions; however, the global forests remain steadfast, assiduous, and green (Jactel et al. 2019 ). The typical reasons could be the insect herbivores were regulated by several tree defenses and pressures of predation (Wilkinson and Sherratt 2016 ). As climate greatly influences these phenomena, the global forests cannot be so sedulous against such challenges (Jactel et al. 2019 ). Table ​ Table3 3 demonstrates some of the particular considerations with practical examples that are essential while mitigating the impacts of CC in the forestry sector.

Essential considerations while mitigating the climate change impacts on the forestry sector

Source : Fischer ( 2019 )

Climate change impacts on tourism

Tourism is a commercial activity that has roots in multi-dimensions and an efficient tool with adequate job generation potential, revenue creation, earning of spectacular foreign exchange, enhancement in cross-cultural promulgation and cooperation, a business tool for entrepreneurs and eventually for the country’s national development (Arshad et al. 2018 ; Scott 2021 ). Among a plethora of other disciplines, the tourism industry is also a distinct victim of climate warming (Gössling et al. 2012 ; Hall et al. 2015 ) as the climate is among the essential resources that enable tourism in particular regions as most preferred locations. Different places at different times of the year attract tourists both within and across the countries depending upon the feasibility and compatibility of particular weather patterns. Hence, the massive variations in these weather patterns resulting from CC will eventually lead to monumental challenges to the local economy in that specific area’s particular and national economy (Bujosa et al. 2015 ). For instance, the Intergovernmental Panel on Climate Change (IPCC) report demonstrated that the global tourism industry had faced a considerable decline in the duration of ski season, including the loss of some ski areas and the dramatic shifts in tourist destinations’ climate warming.

Furthermore, different studies (Neuvonen et al. 2015 ; Scott et al. 2004 ) indicated that various currently perfect tourist spots, e.g., coastal areas, splendid islands, and ski resorts, will suffer consequences of CC. It is also worth noting that the quality and potential of administrative management potential to cope with the influence of CC on the tourism industry is of crucial significance, which renders specific strengths of resiliency to numerous destinations to withstand against it (Füssel and Hildén 2014 ). Similarly, in the partial or complete absence of adequate socio-economic and socio-political capital, the high-demanding tourist sites scurry towards the verge of vulnerability. The susceptibility of tourism is based on different components such as the extent of exposure, sensitivity, life-supporting sectors, and capacity assessment factors (Füssel and Hildén 2014 ). It is obvious corporality that sectors such as health, food, ecosystems, human habitat, infrastructure, water availability, and the accessibility of a particular region are prone to CC. Henceforth, the sensitivity of these critical sectors to CC and, in return, the adaptive measures are a hallmark in determining the composite vulnerability of climate warming (Ionescu et al. 2009 ).

Moreover, the dependence on imported food items, poor hygienic conditions, and inadequate health professionals are dominant aspects affecting the local terrestrial and aquatic biodiversity. Meanwhile, the greater dependency on ecosystem services and its products also makes a destination more fragile to become a prey of CC (Rizvi et al. 2015 ). Some significant non-climatic factors are important indicators of a particular ecosystem’s typical health and functioning, e.g., resource richness and abundance portray the picture of ecosystem stability. Similarly, the species abundance is also a productive tool that ensures that the ecosystem has a higher buffering capacity, which is terrific in terms of resiliency (Roscher et al. 2013 ).

Climate change impacts on the economic sector

Climate plays a significant role in overall productivity and economic growth. Due to its increasingly global existence and its effect on economic growth, CC has become one of the major concerns of both local and international environmental policymakers (Ferreira et al. 2020 ; Gleditsch 2021 ; Abbass et al. 2021b ; Lamperti et al. 2021 ). The adverse effects of CC on the overall productivity factor of the agricultural sector are therefore significant for understanding the creation of local adaptation policies and the composition of productive climate policy contracts. Previous studies on CC in the world have already forecasted its effects on the agricultural sector. Researchers have found that global CC will impact the agricultural sector in different world regions. The study of the impacts of CC on various agrarian activities in other demographic areas and the development of relative strategies to respond to effects has become a focal point for researchers (Chandioet al. 2020 ; Gleditsch 2021 ; Mosavi et al. 2020 ).

With the rapid growth of global warming since the 1980s, the temperature has started increasing globally, which resulted in the incredible transformation of rain and evaporation in the countries. The agricultural development of many countries has been reliant, delicate, and susceptible to CC for a long time, and it is on the development of agriculture total factor productivity (ATFP) influence different crops and yields of farmers (Alhassan 2021 ; Wu  2020 ).

Food security and natural disasters are increasing rapidly in the world. Several major climatic/natural disasters have impacted local crop production in the countries concerned. The effects of these natural disasters have been poorly controlled by the development of the economies and populations and may affect human life as well. One example is China, which is among the world’s most affected countries, vulnerable to natural disasters due to its large population, harsh environmental conditions, rapid CC, low environmental stability, and disaster power. According to the January 2016 statistical survey, China experienced an economic loss of 298.3 billion Yuan, and about 137 million Chinese people were severely affected by various natural disasters (Xie et al. 2018 ).

Mitigation and adaptation strategies of climate changes

Adaptation and mitigation are the crucial factors to address the response to CC (Jahanzad et al. 2020 ). Researchers define mitigation on climate changes, and on the other hand, adaptation directly impacts climate changes like floods. To some extent, mitigation reduces or moderates greenhouse gas emission, and it becomes a critical issue both economically and environmentally (Botzen et al. 2021 ; Jahanzad et al. 2020 ; Kongsager 2018 ; Smit et al. 2000 ; Vale et al. 2021 ; Usman et al. 2021 ; Verheyen 2005 ).

Researchers have deep concern about the adaptation and mitigation methodologies in sectoral and geographical contexts. Agriculture, industry, forestry, transport, and land use are the main sectors to adapt and mitigate policies(Kärkkäinen et al. 2020 ; Waheed et al. 2021 ). Adaptation and mitigation require particular concern both at the national and international levels. The world has faced a significant problem of climate change in the last decades, and adaptation to these effects is compulsory for economic and social development. To adapt and mitigate against CC, one should develop policies and strategies at the international level (Hussain et al. 2020 ). Figure  6 depicts the list of current studies on sectoral impacts of CC with adaptation and mitigation measures globally.

Sectoral impacts of climate change with adaptation and mitigation measures.

Conclusion and future perspectives

Specific socio-agricultural, socio-economic, and physical systems are the cornerstone of psychological well-being, and the alteration in these systems by CC will have disastrous impacts. Climate variability, alongside other anthropogenic and natural stressors, influences human and environmental health sustainability. Food security is another concerning scenario that may lead to compromised food quality, higher food prices, and inadequate food distribution systems. Global forests are challenged by different climatic factors such as storms, droughts, flash floods, and intense precipitation. On the other hand, their anthropogenic wiping is aggrandizing their existence. Undoubtedly, the vulnerability scale of the world’s regions differs; however, appropriate mitigation and adaptation measures can aid the decision-making bodies in developing effective policies to tackle its impacts. Presently, modern life on earth has tailored to consistent climatic patterns, and accordingly, adapting to such considerable variations is of paramount importance. Because the faster changes in climate will make it harder to survive and adjust, this globally-raising enigma calls for immediate attention at every scale ranging from elementary community level to international level. Still, much effort, research, and dedication are required, which is the most critical time. Some policy implications can help us to mitigate the consequences of climate change, especially the most affected sectors like the agriculture sector;

Warming might lengthen the season in frost-prone growing regions (temperate and arctic zones), allowing for longer-maturing seasonal cultivars with better yields (Pfadenhauer 2020 ; Bonacci 2019 ). Extending the planting season may allow additional crops each year; when warming leads to frequent warmer months highs over critical thresholds, a split season with a brief summer fallow may be conceivable for short-period crops such as wheat barley, cereals, and many other vegetable crops. The capacity to prolong the planting season in tropical and subtropical places where the harvest season is constrained by precipitation or agriculture farming occurs after the year may be more limited and dependent on how precipitation patterns vary (Wu et al. 2017 ).

The genetic component is comprehensive for many yields, but it is restricted like kiwi fruit for a few. Ali et al. ( 2017 ) investigated how new crops will react to climatic changes (also stated in Mall et al. 2017 ). Hot temperature, drought, insect resistance; salt tolerance; and overall crop production and product quality increases would all be advantageous (Akkari 2016 ). Genetic mapping and engineering can introduce a greater spectrum of features. The adoption of genetically altered cultivars has been slowed, particularly in the early forecasts owing to the complexity in ensuring features are expediently expressed throughout the entire plant, customer concerns, economic profitability, and regulatory impediments (Wirehn 2018 ; Davidson et al. 2016 ).

To get the full benefit of the CO 2 would certainly require additional nitrogen and other fertilizers. Nitrogen not consumed by the plants may be excreted into groundwater, discharged into water surface, or emitted from the land, soil nitrous oxide when large doses of fertilizer are sprayed. Increased nitrogen levels in groundwater sources have been related to human chronic illnesses and impact marine ecosystems. Cultivation, grain drying, and other field activities have all been examined in depth in the studies (Barua et al. 2018 ).

• The technological and socio-economic adaptation

The policy consequence of the causative conclusion is that as a source of alternative energy, biofuel production is one of the routes that explain oil price volatility separate from international macroeconomic factors. Even though biofuel production has just begun in a few sample nations, there is still a tremendous worldwide need for feedstock to satisfy industrial expansion in China and the USA, which explains the food price relationship to the global oil price. Essentially, oil-exporting countries may create incentives in their economies to increase food production. It may accomplish by giving farmers financing, seedlings, fertilizers, and farming equipment. Because of the declining global oil price and, as a result, their earnings from oil export, oil-producing nations may be unable to subsidize food imports even in the near term. As a result, these countries can boost the agricultural value chain for export. It may be accomplished through R&D and adding value to their food products to increase income by correcting exchange rate misalignment and adverse trade terms. These nations may also diversify their economies away from oil, as dependence on oil exports alone is no longer economically viable given the extreme volatility of global oil prices. Finally, resource-rich and oil-exporting countries can convert to non-food renewable energy sources such as solar, hydro, coal, wind, wave, and tidal energy. By doing so, both world food and oil supplies would be maintained rather than harmed.

IRENA’s modeling work shows that, if a comprehensive policy framework is in place, efforts toward decarbonizing the energy future will benefit economic activity, jobs (outweighing losses in the fossil fuel industry), and welfare. Countries with weak domestic supply chains and a large reliance on fossil fuel income, in particular, must undertake structural reforms to capitalize on the opportunities inherent in the energy transition. Governments continue to give major policy assistance to extract fossil fuels, including tax incentives, financing, direct infrastructure expenditures, exemptions from environmental regulations, and other measures. The majority of major oil and gas producing countries intend to increase output. Some countries intend to cut coal output, while others plan to maintain or expand it. While some nations are beginning to explore and execute policies aimed at a just and equitable transition away from fossil fuel production, these efforts have yet to impact major producing countries’ plans and goals. Verifiable and comparable data on fossil fuel output and assistance from governments and industries are critical to closing the production gap. Governments could increase openness by declaring their production intentions in their climate obligations under the Paris Agreement.

It is firmly believed that achieving the Paris Agreement commitments is doubtlful without undergoing renewable energy transition across the globe (Murshed 2020 ; Zhao et al. 2022 ). Policy instruments play the most important role in determining the degree of investment in renewable energy technology. This study examines the efficacy of various policy strategies in the renewable energy industry of multiple nations. Although its impact is more visible in established renewable energy markets, a renewable portfolio standard is also a useful policy instrument. The cost of producing renewable energy is still greater than other traditional energy sources. Furthermore, government incentives in the R&D sector can foster innovation in this field, resulting in cost reductions in the renewable energy industry. These nations may export their technologies and share their policy experiences by forming networks among their renewable energy-focused organizations. All policy measures aim to reduce production costs while increasing the proportion of renewables to a country’s energy system. Meanwhile, long-term contracts with renewable energy providers, government commitment and control, and the establishment of long-term goals can assist developing nations in deploying renewable energy technology in their energy sector.

Author contribution

KA: Writing the original manuscript, data collection, data analysis, Study design, Formal analysis, Visualization, Revised draft, Writing-review, and editing. MZQ: Writing the original manuscript, data collection, data analysis, Writing-review, and editing. HS: Contribution to the contextualization of the theme, Conceptualization, Validation, Supervision, literature review, Revised drapt, and writing review and editing. MM: Writing review and editing, compiling the literature review, language editing. HM: Writing review and editing, compiling the literature review, language editing. IY: Contribution to the contextualization of the theme, literature review, and writing review and editing.

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The authors declare no competing interests.

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Contributor Information

Kashif Abbass, Email: nc.ude.tsujn@ssabbafihsak .

Muhammad Zeeshan Qasim, Email: moc.kooltuo@888misaqnahseez .

Huaming Song, Email: nc.ude.tsujn@gnimauh .

Muntasir Murshed, Email: [email protected] .

Haider Mahmood, Email: moc.liamtoh@doomhamrediah .

Ijaz Younis, Email: nc.ude.tsujn@sinuoyzaji .

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Climate Change Is Speeding Toward Catastrophe. The Next Decade Is Crucial, U.N. Panel Says.

A new report says it is still possible to hold global warming to relatively safe levels, but doing so will require global cooperation, billions of dollars and big changes.

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By Brad Plumer

Earth is likely to cross a critical threshold for global warming within the next decade, and nations will need to make an immediate and drastic shift away from fossil fuels to prevent the planet from overheating dangerously beyond that level, according to a major new report released on Monday .

The report, by the Intergovernmental Panel on Climate Change, a body of experts convened by the United Nations, offers the most comprehensive understanding to date of ways in which the planet is changing. It says that global average temperatures are estimated to rise 1.5 degrees Celsius (2.7 degrees Fahrenheit) above preindustrial levels sometime around “the first half of the 2030s,” as humans continue to burn coal, oil and natural gas.

That number holds a special significance in global climate politics : Under the 2015 Paris climate agreement, virtually every nation agreed to “pursue efforts” to hold global warming to 1.5 degrees Celsius. Beyond that point, scientists say, the impacts of catastrophic heat waves, flooding, drought, crop failures and species extinction become significantly harder for humanity to handle.

But Earth has already warmed an average of 1.1 degrees Celsius since the industrial age, and, with global fossil-fuel emissions setting records last year , that goal is quickly slipping out of reach.

There is still one last chance to shift course, the new report says. But it would require industrialized nations to join together immediately to slash greenhouse gases roughly in half by 2030 and then stop adding carbon dioxide to the atmosphere altogether by the early 2050s. If those two steps were taken, the world would have about a 50 percent chance of limiting warming to 1.5 degrees Celsius.

Delays of even a few years would most likely make that goal unattainable, guaranteeing a hotter, more perilous future.

“The pace and scale of what has been done so far and current plans are insufficient to tackle climate change,” said Hoesung Lee, the chair of the climate panel. “We are walking when we should be sprinting.”

The report comes as the world’s two biggest polluters, China and the United States, continue to approve new fossil fuel projects. Last year, China issued permits for 168 coal-fired power plants of various sizes , according to the Centre for Research on Energy and Clean Air in Finland. Last week, the Biden administration approved an enormous oil drilling project known as Willow that will take place on pristine federal land in Alaska .

The report, which was approved by 195 governments, says that existing and currently planned fossil fuel infrastructure — coal-fired power plants, oil wells, factories, cars and trucks across the globe — will already produce enough carbon dioxide to warm the planet roughly 2 degrees Celsius this century. To keep warming below that level, many of those projects would need to be canceled, retired early or otherwise cleaned up.

“The 1.5 degree limit is achievable, but it will take a quantum leap in climate action,” António Guterres, the United Nations secretary general, said. In response to the report, Mr. Guterres called on countries to stop building new coal plants and to stop approving new oil and gas projects.  

Many scientists have pointed out that surpassing the 1.5 degree threshold will not mean humanity is doomed. But every fraction of a degree of additional warming is expected to increase the severity of dangers that people around the world face, such as water scarcity, malnutrition and deadly heat waves.

The difference between 1.5 degrees of warming and 2 degrees might mean that tens of millions more people worldwide experience life-threatening heat waves, water shortages and coastal flooding. A 1.5-degree world might still have coral reefs and summer Arctic sea ice, while a 2-degree world most likely would not.

“It’s not that if we go past 1.5 degrees everything is lost,” said Joeri Rogelj, director of research at the Grantham Institute for Climate Change and the Environment at Imperial College London. “But there’s clear evidence that 1.5 is better than 1.6, which is better than 1.7, and so on. The point is we need to do everything we can to keep warming as low as possible.”

Scientists say that warming will largely halt once humans stop adding heat-trapping gases to the atmosphere, a concept known as “net zero” emissions. How quickly nations reach net zero will determine how hot the planet ultimately becomes. Under the current policies of national governments, Earth is on pace to heat up by 2.1 to 2.9 degrees Celsius this century, analysts have estimated .

Both the United States and European Union have set goals of reaching net zero emissions by 2050, while China has set a 2060 goal and India is aiming for 2070. But in light of the report’s findings, Mr. Guterres said, all countries should move faster and wealthy countries should aim to reach net zero by 2040.

The new report is a synthesis of six previous landmark reports on climate change issued by the U.N. panel since 2018, each one compiled by hundreds of experts across the globe, approved by 195 countries and based on thousands of scientific studies. Taken together, the reports represent the most comprehensive look to date at the causes of global warming , the impacts that rising temperatures are having on people and ecosystems across the world and the strategies that countries can pursue to halt global warming .

The report makes clear that humanity’s actions today have the potential to fundamentally reshape the planet for thousands of years.

Many of the most dire climate scenarios once feared by scientists, such as those forecasting warming of 4 degrees Celsius or more, now look unlikely, as nations have invested more heavily in clean energy . At least 18 countries, including the United States, have managed to reduce their emissions for more than a decade, the report finds, while the costs of solar panels, wind turbines and lithium-ion batteries for electric vehicles have plummeted.

At the same time, even relatively modest increases in global temperature are now expected to be more disruptive than previously thought, the report concludes.

At current levels of warming, for instance, food production is starting to come under strain. The world is still producing more food each year, thanks to improvements in farming and crop technology, but climate change has slowed the rate of growth, the report says. It’s an ominous trend that puts food security at risk as the world’s population soars past eight billion people.

Today, the world is seeing record-shattering storms in California and catastrophic drought in places like East Africa . But by the 2030s, as temperatures rise, climate hazards are expected to increase all over the globe as different countries face more crippling heat waves, worsening coastal flooding and crop failures, the report says. At the same time, mosquitoes carrying diseases like malaria and dengue will spread into new areas, it adds.

Nations have made some strides in preparing for the dangers of global warming, the report says, for instance by building coastal barriers against rising oceans or establishing early-warning systems for future storms. But many of those adaptation efforts are “incremental” and lack sufficient funding, particularly in poorer countries, the report finds.

And if temperatures keep rising, many parts of the world may soon face limits in how much they can adapt. Beyond 1.5 degrees Celsius of warming, low-lying island nations and communities that depend on glaciers may face severe freshwater shortages.

To stave off a chaotic future, the report recommends that nations move away from the fossil fuels that have underpinned economies for more than 180 years.

Governments and companies would need to invest three to six times the roughly $600 billion they now spend annually on encouraging clean energy in order to hold global warming at 1.5 or 2 degrees, the report says. While there is currently enough global capital to do so, much of it is difficult for developing countries to acquire. The question of what wealthy, industrialized nations owe to poor, developing countries has been divisive at global climate negotiations.

A wide array of strategies are available for reducing fossil-fuel emissions, such as scaling up wind and solar power, shifting to electric vehicles and electric heat pumps in buildings, curbing methane emissions from oil and gas operations, and protecting forests.

But that may not be enough: Countries may also have to remove billions of tons of carbon dioxide from the atmosphere each year, relying on technology that barely exists today .

The report acknowledges the enormous challenges ahead. Winding down coal, oil and gas projects would mean job losses and economic dislocation. Some climate solutions come with difficult trade-offs: Protecting forests, for instance, means less land for agriculture; manufacturing electric vehicles requires mining metals for use in their batteries.

And because nations have waited so long to cut emissions, they will have to spend hundreds of billions of dollars to adapt to climate risks that are now unavoidable.

The new report is expected to inform the next round of United Nations climate talks this December in Dubai, where world leaders will gather to assess their progress in tackling global warming. At last year’s climate talks in Sharm el Sheik, language calling for an end to fossil fuels was struck from the final agreement after pressure from several oil-producing nations.

“Without a radical shift away from fossil fuels over the next few years, the world is certain to blow past the 1.5 C goal.” said Ani Dasgupta, president of the World Resources Institute, an environmental group. “The I.P.C.C. makes plain that continuing to build new unabated fossil fuel power plants would seal that fate,” he added, using the abbreviation for the Intergovernmental Panel on Climate Change.

The American Petroleum Institute, an industry trade group, responded by saying that oil and gas companies were working on technologies to curb emissions such as carbon capture, but that policymakers “must also consider the importance of adequate, affordable and reliable energy to meet growing global needs,” said Christina Noel, a spokesperson for the institute.

While the next decade is almost certain to be hotter, scientists said the main takeaway from the report should be that nations still have enormous influence over the climate for the rest of the century.

The report “is quite clear that whatever future we end up with is within our control,” said Piers Forster, a climate scientist at the University of Leeds who helped write one of the panel’s earlier reports. “It is up to humanity,” he added, “to determine what we end up with.”

Brad Plumer is a climate reporter specializing in policy and technology efforts to cut carbon dioxide emissions. At The Times, he has also covered international climate talks and the changing energy landscape in the United States. More about Brad Plumer

Our Coverage of Climate and the Environment

News and Analysis

Scientists have already established that the summer of 2023 was the warmest in the Northern Hemisphere since around 1850. Now, researchers say it was the hottest in 2,000 years .

The Federal Energy Regulatory Commission, an obscure climate agency , approved sweeping changes to how America’s electric grids are planned and funded . The new rule could help speed up wind and solar energy.

Officials in California have told scientists to stop testing a device  that might one day be used to artificially cool the planet by making clouds brighter , reflecting planet-warming sunlight back into space.

A Cosmic Perspective:  Alarmed by the climate crisis and its impact on their work, a growing number of astronomers  are using their expertise to fight back.

Struggling N.Y.C. Neighborhoods:  New data projects are linking social issues with global warming. Here’s what that means for five communities in New York .

Biden Environmental Rules:  The Biden administration has rushed to finalize 10 major environmental regulations  to meet its self-imposed spring deadline.

F.A.Q.:  Have questions about climate change? We’ve got answers .

News | January 12, 2023

Nasa says 2022 fifth warmest year on record, warming trend continues.

Lee esta nota de prensa en español here .

Earth's average surface temperature in 2022 effectively tied with 2015 as the fifth warmest on record, according to an analysis by NASA. Continuing the planet's long-term warming trend, global temperatures in 2022 were 1.6 degrees Fahrenheit (0.89 degrees Celsius) above the average for NASA's baseline period (1951-1980), scientists from NASA's Goddard Institute for Space Studies (GISS) in New York reported.

“This warming trend is alarming,” said NASA Administrator Bill Nelson. “Our warming climate is already making a mark: Forest fires are intensifying; hurricanes are getting stronger; droughts are wreaking havoc and sea levels are rising. NASA is deepening our commitment to do our part in addressing climate change. Our Earth System Observatory will provide state-of-the-art data to support our climate modeling, analysis and predictions to help humanity confront our planet’s changing climate.”

The past nine years have been the warmest years since modern recordkeeping began in 1880. This means Earth in 2022 was about 2 degrees Fahrenheit (or about 1.11 degrees Celsius) warmer than the late 19th century average.

“The reason for the warming trend is that human activities continue to pump enormous amounts of greenhouse gases into the atmosphere, and the long-term planetary impacts will also continue,” said Gavin Schmidt, director of GISS, NASA's leading center for climate modeling.

Human-driven greenhouse gas emissions have rebounded following a short-lived dip in 2020 due to the COVID-19 pandemic. Recently, NASA scientists, as well as international scientists, determined carbon dioxide emissions were the highest on record in 2022. NASA also identified some super-emitters of methane – another powerful greenhouse gas – using the Earth Surface Mineral Dust Source Investigation instrument that launched to the International Space Station last year.

The Arctic region continues to experience the strongest warming trends – close to four times the global average – according to GISS research presented at the 2022 annual meeting of the American Geophysical Union, as well as a separate study .

Communities around the world are experiencing impacts scientists see as connected to the warming atmosphere and ocean. Climate change has intensified rainfall and tropical storms, deepened the severity of droughts, and increased the impact of storm surges. Last year brought torrential monsoon rains that devastated Pakistan and a persistent megadrought in the U.S. Southwest. In September, Hurricane Ian became one of the strongest and costliest hurricanes to strike the continental U.S.

Tracking Our Changing Planet

NASA’s global temperature analysis is drawn from data collected by weather stations and Antarctic research stations, as well as instruments mounted on ships and ocean buoys. NASA scientists analyze these measurements to account for uncertainties in the data and to maintain consistent methods for calculating global average surface temperature differences for every year. These ground-based measurements of surface temperature are consistent with satellite data collected since 2002 by the Atmospheric Infrared Sounder on NASA's Aqua satellite and with other estimates.

NASA uses the period from 1951-1980 as a baseline to understand how global temperatures change over time. That baseline includes climate patterns such as La Niña and El Niño, as well as unusually hot or cold years due to other factors, ensuring it encompasses natural variations in Earth's temperature.

Many factors can affect the average temperature in any given year. For example, 2022 was one of the warmest on record despite a third consecutive year of La Niña conditions in the tropical Pacific Ocean. NASA scientists estimate that La Niña’s cooling influence may have lowered global temperatures slightly (about 0.11 degrees Fahrenheit or 0.06 degrees Celsius) from what the average would have been under more typical ocean conditions.

A separate, independent analysis by the National Oceanic and Atmospheric Administration (NOAA) concluded that the global surface temperature for 2022 was the sixth highest since 1880. NOAA scientists use much of the same raw temperature data in their analysis and have a different baseline period (1901-2000) and methodology. Although rankings for specific years can differ slightly between the records, they are in broad agreement and both reflect ongoing long-term warming.

NASA's full dataset of global surface temperatures through 2022, as well as full details with code of how NASA scientists conducted the analysis, are publicly available from GISS.

GISS is a NASA laboratory managed by the Earth Sciences Division of the agency's Goddard Space Flight Center in Greenbelt, Maryland. The laboratory is affiliated with Columbia University's Earth Institute and School of Engineering and Applied Science in New York.

For more information about NASA's Earth science programs, visit:

https://www.nasa.gov/earth

News Media Contacts

Tylar Greene Headquarters, Washington 202-358-0030 [email protected]

Jacob Richmond Goddard Space Flight Center, Greenbelt, Md. 301-286-0535 [email protected]

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• Biology Article
• Essay on Global Warming

Essay On Global Warming

Essay on global warming is an important topic for students to understand. The essay brings to light the plight of the environment and the repercussion of anthropogenic activities. Continue reading to discover tips and tricks for writing an engaging and interesting essay on global warming.

Essay On Global Warming in 300 Words

Global warming is a phenomenon where the earth’s average temperature rises due to increased amounts of greenhouse gases. Greenhouse gases such as carbon dioxide, methane and ozone trap the incoming radiation from the sun. This effect creates a natural “blanket”, which prevents the heat from escaping back into the atmosphere. This effect is called the greenhouse effect.

Contrary to popular belief, greenhouse gases are not inherently bad. In fact, the greenhouse effect is quite important for life on earth. Without this effect, the sun’s radiation would be reflected back into the atmosphere, freezing the surface and making life impossible. However, when greenhouse gases in excess amounts get trapped, serious repercussions begin to appear. The polar ice caps begin to melt, leading to a rise in sea levels. Furthermore, the greenhouse effect is accelerated when polar ice caps and sea ice melts. This is due to the fact the ice reflects 50% to 70% of the sun’s rays back into space, but without ice, the solar radiation gets absorbed. Seawater reflects only 6% of the sun’s radiation back into space. What’s more frightening is the fact that the poles contain large amounts of carbon dioxide trapped within the ice. If this ice melts, it will significantly contribute to global warming. 

A related scenario when this phenomenon goes out of control is the runaway-greenhouse effect. This scenario is essentially similar to an apocalypse, but it is all too real. Though this has never happened in the earth’s entire history, it is speculated to have occurred on Venus. Millions of years ago, Venus was thought to have an atmosphere similar to that of the earth. But due to the runaway greenhouse effect, surface temperatures around the planet began rising. 

If this occurs on the earth, the runaway greenhouse effect will lead to many unpleasant scenarios – temperatures will rise hot enough for oceans to evaporate. Once the oceans evaporate, the rocks will start to sublimate under heat. In order to prevent such a scenario, proper measures have to be taken to stop climate change.

More to Read: Learn How Greenhouse Effect works

Tips To Writing the Perfect Essay

Consider adopting the following strategies when writing an essay. These are proven methods of securing more marks in an exam or assignment.

• Begin the essay with an introductory paragraph detailing the history or origin of the given topic.
• Try to reduce the use of jargons. Use sparingly if the topic requires it.
• Ensure that the content is presented in bulleted points wherever appropriate.
• Insert and highlight factual data, such as dates, names and places.
• Remember to break up the content into smaller paragraphs. 100-120 words per paragraph should suffice.
• Always conclude the essay with a closing paragraph.

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• Global Warming Essay

Essay on Global Warming

The last few decades have been monumental when it comes to technological development. Humans have developed systems and machines that make our lives easier. Especially during the early modern period from the early 16th century to as far as the late 18the century, also commonly referred to as “The Scientific Revolution” or “The Enlightenment”, modern technology leapt ahead in development in such a short time frame compared to all of history.

However, with the development of society, there has been a severe detriment to the quality of Earth’s environment. One of the most massive threats to the condition of the planet is climate change. Inadequate research and reckless misuse of natural resources are some of the core reasons for the deteriorating condition of the planet.

To understand the concept of Global Warming and its causes and effects, we need to take an in-depth look into many factors that affect the temperature of the planet and what that means for the future of the world. Here is an objective look at the topic of Global Warming and other important related topics.

What is Climate Change?

Ever since the industrial and scientific revolution, Earth is slowly being used up for its resources. Moreover, the onset of the exponential increase in the world’s population is also very taxing on the environment. 

Simply put, as the need for consumption of the population increases, both the utilisation of natural resources and the waste generated from the use of said resources have also increased massively. 

One of the main results of this over the many years has become climate change. Climate change is not just the rise or fall of temperature of different areas of the world; it is also a change in the rain cycles, wind patterns, cyclone frequencies, sea levels, etc. It affects all major life groups on the planet in some way or the other.  

What is Global Warming?

Global Warming is often considered an effect of Climate change. Global Warming is the rapid increase in the temperature of the Earth’s environment that is causing many life-threatening issues to arise.

Global Warming is a dangerous effect on our environment that we are facing these days. Rapid industrialization, increase in the population growth and pollution are causing a rise in Global Warming. Global Warming refers to the increase in the average temperature of the earth's surface during the last century. One of the reasons why Global Warming is dangerous is because it disturbs the overall ecology of the planet. This results in floods, famine, cyclones and other issues. There are many causes and results of this warming and is a danger for the existence of life on earth.

The sign of Global Warming is already visible with many natural phenomena happening around globally, affecting each living species.

Here is some data that can help to give a more precise understanding of the reality of Global Warming in the last few years:

On average, the world’s temperature is about 1.5°C higher than during the start of the industrial revolution in the late 1700s. That may not seem a lot to you, but that is an average estimate. This number is only increasing. Many parts of the world face far more severe changes in temperature that affect the planet’s overall health.

In 1950, the world’s CO 2 emissions were at 6 billion tonnes which had quadrupled in volume until 1990, just 40 years later to 22 billion tonnes. Not only that, unchecked CO 2 emissions today have reached a whopping 35 billion tonnes.

The most evident causes of Global Warming are industrialization, urbanization, deforestation, and sophisticated human activities. These human activities have led to an increase in the emission of Greenhouse Gases, including CO₂, Nitrous Oxide, Methane, and others.

Causes of Global Warming

A variety of reasons causes Global Warming. Some of which can be controlled personally by individuals but others are only expected to be solved by communities and the world leaders and activists at the global level.

Many scientists believe the main four reasons for Global Warming, according to recent studies, are:

Greenhouse gases

Deforestation

Per capita carbon emissions

Global Warming is certainly an alarming situation, which is causing a significant impact on life existence. Extreme Global Warming is resulting in natural calamities, which is quite evident happening around. One of the reasons behind Global Warming is the extreme release of greenhouse gases stuck on the earth surface, resulting in the temperature increase.

Similarly, volcanoes are also leading to Global Warming because they spew too much CO₂ in the air. One of the significant causes behind Global Warming is the increase in the population. This increase in the population also results in air pollution. Automobiles release a lot of CO₂, which remains stuck in the earth.

This increase in the population is also leading to deforestation, which further results in Global Warming. More and more trees are being cut, increasing the concentration of CO₂.

The greenhouse is the natural process where the sunlight passes through the area, thus warming the earth's surface. The earth surface releases energy in the form of heat in the atmosphere maintaining the balance with the incoming energy. Global Warming depletes the ozone layer leading to the doom's day.

There is a clear indication that the increase in Global Warming will lead to the complete extinction of life from the earth surface.

Solution for Global Warming

Global Warming can not be blamed on individuals; however, it can be tackled and maintained from worsening starting at the individual level. Of course, industries and multinational conglomerates have higher carbon emissions levels than an average citizen. Still, activism and community effort are the only feasible ways to control the worsening state of Global Warming.

Additionally, at the state or government level, world leaders need to create concrete plans and step programmes to ensure that no further harm is being caused to the environment in general. 

Although we are almost late in slowing down the Global Warming rate, it is crucial to find the right solution. From individuals to governments, everyone has to work upon a solution for Global Warming. Controlling pollution, population and use of natural resources are some of the factors to consider. Switching over to the electric and hybrid car is the best way to bring down the carbon dioxide.

As a citizen, it is best to switch over to the hybrid car and to use public transport. This will reduce pollution and congestion. Another significant contribution you can make is to minimize the use of plastic. Plastic is the primary cause of Global Warming taking years to recycle.

Deforestation is another thing to consider that will help in controlling Global Warming. Planting of more trees should be encouraged to make the environment go green.

Industrialization should be under certain norms. The building of industries should be banned in green zones affecting plants and species. Hefty penalties should be levied on such sectors contributing towards Global Warming.

Effects of Global Warming

Global Warming is a real problem that many want to prove as a hoax for their political benefit. However, as aware citizens of the world, we must make sure only the truth is presented in the media.

Various parts of the environment, both flora and fauna, are directly adversely affected by the damages caused by Global Warming. Wildlife being in danger is ultimately a serious threat to the survival of humanity as we know it and its future.

The effect of Global Warming is widely seen in this decade. Glacier retreat and arctic shrinkage are the two common phenomena seen. Glaciers are melting in a fast way. These are pure examples of climate change.

Rise in sea level is another significant effect of Global Warming. This sea-level rise is leading to floods in low-lying areas. Extreme weather conditions are witnessed in many countries. Unseasonal rainfall, extreme heat and cold, wildfires and others are common every year. The number of these cases is increasing. This will indeed imbalance the ecosystem bringing the result of the extinction of species.

Similarly, marine life is also widely getting affected due to the increase in Global Warming. This is resulting in the death of marine species and other issues. Moreover, changes are expected in coral reefs, which are going to face the end in coming years.

These effects will take a steep rise in coming years, bringing the expansion of species to a halt. Moreover, humans too will witness the negative impact of Global Warming in the end.

FAQs on Global Warming Essay

1. What Global Warming will Cause?

Global warming will have a massive impact on our earth in the end. Flood, extreme weather conditions, famine, wildfire and many more will be the result. There will be hotter days, which will also increase the wildfire and famine. In the past years, many meteorological bureaus have added purple and magenta to the forecast.

Another impact of global warming will be rising sea levels. Increased ocean temperatures will lead to the melting of glaciers and ice caps. Increase in the sea level will lead to floods in many low-lying areas.

The overall ecosystem of nature will be an imbalance. This will affect nature in the long-term.

2. Why Does Global Warming Happen?

There are many reasons for the cause of global warming. There are certain gases in the atmosphere called greenhouse gases. The energy then radiates from the surface; the greenhouse gases trap longwave radiation. We humans have added to the atmospheric blanket of greenhouse affecting the living species. Warming of air, oceans, and land is how global warming happens.

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What is climate change mitigation and why is it urgent?

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• Climate change mitigation involves actions to reduce or prevent greenhouse gas emissions from human activities.
• Mitigation efforts include transitioning to renewable energy sources, enhancing energy efficiency, adopting regenerative agricultural practices and protecting and restoring forests and critical ecosystems.
• Effective mitigation requires a whole-of-society approach and structural transformations to reduce emissions and limit global warming to 1.5°C above pre-industrial levels.
• International cooperation, for example through the Paris Agreement, is crucial in guiding and achieving global and national mitigation goals.
• Mitigation efforts face challenges such as the world's deep-rooted dependency on fossil fuels, the increased demand for new mineral resources and the difficulties in revamping our food systems.
• These challenges also offer opportunities to improve resilience and contribute to sustainable development.

What is climate change mitigation?

Climate change mitigation refers to any action taken by governments, businesses or people to reduce or prevent greenhouse gases, or to enhance carbon sinks that remove them from the atmosphere. These gases trap heat from the sun in our planet’s atmosphere, keeping it warm. 

Since the industrial era began, human activities have led to the release of dangerous levels of greenhouse gases, causing global warming and climate change. However, despite unequivocal research about the impact of our activities on the planet’s climate and growing awareness of the severe danger climate change poses to our societies, greenhouse gas emissions keep rising. If we can slow down the rise in greenhouse gases, we can slow down the pace of climate change and avoid its worst consequences.

Reducing greenhouse gases can be achieved by:

• Shifting away from fossil fuels : Fossil fuels are the biggest source of greenhouse gases, so transitioning to modern renewable energy sources like solar, wind and geothermal power, and advancing sustainable modes of transportation, is crucial.
• Improving energy efficiency : Using less energy overall – in buildings, industries, public and private spaces, energy generation and transmission, and transportation – helps reduce emissions. This can be achieved by using thermal comfort standards, better insulation and energy efficient appliances, and by improving building design, energy transmission systems and vehicles.
• Changing agricultural practices : Certain farming methods release high amounts of methane and nitrous oxide, which are potent greenhouse gases. Regenerative agricultural practices – including enhancing soil health, reducing livestock-related emissions, direct seeding techniques and using cover crops – support mitigation, improve resilience and decrease the cost burden on farmers.
• The sustainable management and conservation of forests : Forests act as carbon sinks , absorbing carbon dioxide and reducing the overall concentration of greenhouse gases in the atmosphere. Measures to reduce deforestation and forest degradation are key for climate mitigation and generate multiple additional benefits such as biodiversity conservation and improved water cycles.
• Restoring and conserving critical ecosystems : In addition to forests, ecosystems such as wetlands, peatlands, and grasslands, as well as coastal biomes such as mangrove forests, also contribute significantly to carbon sequestration, while supporting biodiversity and enhancing climate resilience.
• Creating a supportive environment : Investments, policies and regulations that encourage emission reductions, such as incentives, carbon pricing and limits on emissions from key sectors are crucial to driving climate change mitigation.

Photo: Stephane Bellerose/UNDP Mauritius

Photo: La Incre and Lizeth Jurado/PROAmazonia

What is the 1.5°C goal and why do we need to stick to it?

In 2015, 196 Parties to the UN Climate Convention in Paris adopted the Paris Agreement , a landmark international treaty, aimed at curbing global warming and addressing the effects of climate change. Its core ambition is to cap the rise in global average temperatures to well below 2°C above levels observed prior to the industrial era, while pursuing efforts to limit the increase to 1.5°C.

The 1.5°C goal is extremely important, especially for vulnerable communities already experiencing severe climate change impacts. Limiting warming below 1.5°C will translate into less extreme weather events and sea level rise, less stress on food production and water access, less biodiversity and ecosystem loss, and a lower chance of irreversible climate consequences.

To limit global warming to the critical threshold of 1.5°C, it is imperative for the world to undertake significant mitigation action. This requires a reduction in greenhouse gas emissions by 45 percent before 2030 and achieving net-zero emissions by mid-century.

What are the policy instruments that countries can use to drive mitigation?

Everyone has a role to play in climate change mitigation, from individuals adopting sustainable habits and advocating for change to governments implementing regulations, providing incentives and facilitating investments. The private sector, particularly those businesses and companies responsible for causing high emissions, should take a leading role in innovating, funding and driving climate change mitigation solutions. 

International collaboration and technology transfer is also crucial given the global nature and size of the challenge. As the main platform for international cooperation on climate action, the Paris Agreement has set forth a series of responsibilities and policy tools for its signatories. One of the primary instruments for achieving the goals of the treaty is Nationally Determined Contributions (NDCs) . These are the national climate pledges that each Party is required to develop and update every five years. NDCs articulate how each country will contribute to reducing greenhouse gas emissions and enhance climate resilience.   While NDCs include short- to medium-term targets, long-term low emission development strategies (LT-LEDS) are policy tools under the Paris Agreement through which countries must show how they plan to achieve carbon neutrality by mid-century. These strategies define a long-term vision that gives coherence and direction to shorter-term national climate targets.

Photo: Mucyo Serge/UNDP Rwanda

Photo: William Seal/UNDP Sudan

At the same time, the call for climate change mitigation has evolved into a call for reparative action, where high-income countries are urged to rectify past and ongoing contributions to the climate crisis. This approach reflects the UN Framework Convention on Climate Change (UNFCCC) which advocates for climate justice, recognizing the unequal historical responsibility for the climate crisis, emphasizing that wealthier countries, having profited from high-emission activities, bear a greater obligation to lead in mitigating these impacts. This includes not only reducing their own emissions, but also supporting vulnerable countries in their transition to low-emission development pathways.

Another critical aspect is ensuring a just transition for workers and communities that depend on the fossil fuel industry and its many connected industries. This process must prioritize social equity and create alternative employment opportunities as part of the shift towards renewable energy and more sustainable practices.

For emerging economies, innovation and advancements in technology have now demonstrated that robust economic growth can be achieved with clean, sustainable energy sources. By integrating renewable energy technologies such as solar, wind and geothermal power into their growth strategies, these economies can reduce their emissions, enhance energy security and create new economic opportunities and jobs. This shift not only contributes to global mitigation efforts but also sets a precedent for sustainable development.

What are some of the challenges slowing down climate change mitigation efforts?

Mitigating climate change is fraught with complexities, including the global economy's deep-rooted dependency on fossil fuels and the accompanying challenge of eliminating fossil fuel subsidies. This reliance – and the vested interests that have a stake in maintaining it – presents a significant barrier to transitioning to sustainable energy sources.

The shift towards decarbonization and renewable energy is driving increased demand for critical minerals such as copper, lithium, nickel, cobalt, and rare earth metals. Since new mining projects can take up to 15 years to yield output, mineral supply chains could become a bottleneck for decarbonization efforts. In addition, these minerals are predominantly found in a few, mostly low-income countries, which could heighten supply chain vulnerabilities and geopolitical tensions.

Furthermore, due to the significant demand for these minerals and the urgency of the energy transition, the scaled-up investment in the sector has the potential to exacerbate environmental degradation, economic and governance risks, and social inequalities, affecting the rights of Indigenous Peoples, local communities, and workers. Addressing these concerns necessitates implementing social and environmental safeguards, embracing circular economy principles, and establishing and enforcing responsible policies and regulations .

Agriculture is currently the largest driver of deforestation worldwide. A transformation in our food systems to reverse the impact that agriculture has on forests and biodiversity is undoubtedly a complex challenge. But it is also an important opportunity. The latest IPCC report highlights that adaptation and mitigation options related to land, water and food offer the greatest potential in responding to the climate crisis. Shifting to regenerative agricultural practices will not only ensure a healthy, fair and stable food supply for the world’s population, but also help to significantly reduce greenhouse gas emissions.  

Photo: UNDP India

Photo: Nino Zedginidze/UNDP Georgia

What are some examples of climate change mitigation?

In Mauritius , UNDP, with funding from the Green Climate Fund, has supported the government to install battery energy storage capacity that has enabled 50 MW of intermittent renewable energy to be connected to the grid, helping to avoid 81,000 tonnes of carbon dioxide annually. 

In Indonesia , UNDP has been working with the government for over a decade to support sustainable palm oil production. In 2019, the country adopted a National Action Plan on Sustainable Palm Oil, which was collaboratively developed by government, industry and civil society representatives. The plan increased the adoption of practices to minimize the adverse social and environmental effects of palm oil production and to protect forests. Since 2015, 37 million tonnes of direct greenhouse gas emissions have been avoided and 824,000 hectares of land with high conservation value have been protected.

In Moldova and Paraguay , UNDP has helped set up Green City Labs that are helping build more sustainable cities. This is achieved by implementing urban land use and mobility planning, prioritizing energy efficiency in residential buildings, introducing low-carbon public transport, implementing resource-efficient waste management, and switching to renewable energy sources. 

UNDP has supported the governments of Brazil, Costa Rica, Ecuador and Indonesia to implement results-based payments through the REDD+ (Reducing emissions from deforestation and forest degradation in developing countries) framework. These include payments for environmental services and community forest management programmes that channel international climate finance resources to local actors on the ground, specifically forest communities and Indigenous Peoples. 

UNDP is also supporting small island developing states like the Comoros to invest in renewable energy and sustainable infrastructure. Through the Africa Minigrids Program , solar minigrids will be installed in two priority communities, Grand Comore and Moheli, providing energy access through distributed renewable energy solutions to those hardest to reach.

And in South Africa , a UNDP initative to boost energy efficiency awareness among the general population and improve labelling standards has taken over commercial shopping malls.

What is UNDP’s role in supporting climate change mitigation?

UNDP aims to assist countries with their climate change mitigation efforts, guiding them towards sustainable, low-carbon and climate-resilient development. This support is in line with achieving the Sustainable Development Goals (SDGs), particularly those related to affordable and clean energy (SDG7), sustainable cities and communities (SDG11), and climate action (SDG13). Specifically, UNDP’s offer of support includes developing and improving legislation and policy, standards and regulations, capacity building, knowledge dissemination, and financial mobilization for countries to pilot and scale-up mitigation solutions such as renewable energy projects, energy efficiency initiatives and sustainable land-use practices. 

With financial support from the Global Environment Facility and the Green Climate Fund, UNDP has an active portfolio of 94 climate change mitigation projects in 69 countries. These initiatives are not only aimed at reducing greenhouse gas emissions, but also at contributing to sustainable and resilient development pathways.

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The Man Who Plotted the 'Global Warming Scam'

The Man Who Plotted the 'Global Warming Scam' 2022/5/1 Nobel Prize-worthy scam, the Chinese and Maurice plotted a scam story on its own.  The chapter sent out on goo,  "I see he was unsure how to feel about it, as Mr. Manabe thought he had created a climate model and used it as a scam story. I re-submit the chapter I sent on October 21, 2021. A prolific reader friend strongly recommended I subscribe to Masayuki Takayama's latest book, which I describe below. The last chapter of that book, though, was this paper. The facts revealed in this paper are one of the major causes of the recent Russian invasion of Ukraine. The following is from the serial column of Masayuki Takayama, who brings the weekly Shincho, released on October 21, 2021, to a successful conclusion. This article also proves that he is the one and only journalist in the postwar world. This article, in particular, is a must-read for all Japanese citizens and for people around the world. The Nobel Prize-winning scam is retitled "The Man Who Plotted the 'Global Warming Scam'" in the following book. Nebraska is hot during the day and cold at night. The weather is changeable, so the people who grow up here are often moody. Anna Louise Strong is said to be a representative of this. When she learned about Communism at the University of Chicago, she fell head over heels in love with it and flew to the Soviet Union on a whim. The dashing American woman was helpful. Stalin left her to her own devices. At the time, the famine and purges in Ukraine were all the rage, but she couldn't see it. She continued to publish an English-language newspaper in Moscow and chanted, "Long live Communism." Eventually, Anna became interested in Mao Zedong in China, and she met Zhou Enlai in Chongqing and visited Yan'an. There is still a document that Mao ordered Deng Xiaoping to "be a good promotion. Be polite" to her who wanted to see the front line. Perhaps she liked the treatment she received, but in 1958, Anna left the Soviet Union and settled in Beijing. Perhaps believing that China was the ideal communist state, Mao launched the "Great Leap Forward" that year, starving 30 million people to death. At the same time, he ordered the slaughter of tens of thousands of people in Tibet who were resisting the Chinese invasion. As she travels through Lhasa, where the gore is still drying, she makes a statement that lifts Mao, "In China, they don't execute or exile those who commit crimes. It is a communist statement that shows no hesitation in lying, but it is said to be for the benefit of her nephew, Maurice Strong. Thanks to her, the Canadian-born nephew could penetrate the Chinese ruling class deeply through his aunt. Two years after Anna's death, Maurice became the Secretary-General of the United Nations Conference on the Environment with the support of China, which had just joined the United Nations. From then on, he began working with China to "weaken the industries of developed countries under the pretext of environmental protection and make money from the Environment." The trigger was the "radiation balance" theory presented at Princeton University at the time. If you measure the amount of heat the Earth receives from the sun and the amount of heat the Earth emits, you will be surprised to find that the Earth emits more heat than the sun, and the Earth averages 17 degrees below zero. It is kept at an average of 15 degrees Celsius because of the C0₂ contained in the atmosphere, which is only 0.03%. This conclusion was that if C0₂ increased, global warming would proliferate. The Chinese and Maurice plotted a con story based on just that. Industrialized countries that produce large amounts of C0₂ can buy emission credits from less developed countries. However, China, which produces one-third of the world's emissions, was treated as a backward country and excluded from the scheme. It was the privilege of a fraudulent planning country. Maurice brought Al Gore into the fold. And global warming is now a reality. In "An Inconvenient Truth," he visualized that polar bears in the Arctic Ocean would die out, and the snow on Mount Kilimanjaro would disappear. Maurice and China quickly came up with a second one. "The second one was "Cars are now electric vehicles (EVs) that emit no C0₂. EVs run on batteries. The rare metal neodymium, which is only found in Inner Mongolia, is essential for this.  The Chinese will have a monopoly on it. In response to the question, "But if we make EVs, we will need a lot of electricity," the answer was, "We have solar panels made in China." Japan's sophisticated internal combustion engines, led by Toyota, are no longer needed. The strategy is for China to dominate the world with rare metals and cheap motors. However, it has been a long time since Al Gore's prophecy, but polar bears are increasing, and snow continues to fall on Mount Kilimanjaro. When everyone was twisting their heads, Maurice, his aunt, and his uncle were wanted for another scam involving the United Nations. They fled to China. The environmental scammer then passed away without saying a word. Dr. Syukuro Manabe, a senior researcher at Princeton University, was awarded the Nobel Prize in Physics. When he was told that the reason for the award was "prediction of climate change," he honestly said, "That's it? I'm surprised." He seemed a little uncomfortable because he had thought he had created a climate model, but it had been used as a story for fraud.

He seemed a little uncomfortable because he had thought he had created a climate model, but it had been used as a story for fraud.

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