What Is Irreversible Climate Change

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What Is Irreversible Climate Change – Although the climate emergency has become invisible since the 1970s, it has received very little attention and action. Today we see the consequences, and it seems to many that there is no turning back.

Everything seems to point to the fact that what were until now just assumptions about the future of planet Earth, and thus of humankind, are today facts that we are already beginning to see. Photo: Latin American Post

What Is Irreversible Climate Change

What Is Irreversible Climate Change

In recent days, the climate emergency has been top news around the world. This is due to the recent report of the Intergovernmental Panel on Climate Change (IPCC), in which experts warn that the consequences of climate change are already considered irreversible. Everything seems to point to the fact that what were until now just assumptions about the future of planet Earth, and thus of humankind, are today facts that we are already beginning to see. Just look at the 2020s, the hottest year in human history.

Is Climate Change Already Irreversible?

The previous version of this report was published in 2013, and since then the evidence supporting the environmental damage caused by climate change has grown significantly. Based on a review of more than 14,000 scientific papers focusing on the consequences of the climate crisis, the report carefully summarizes the irreversible changes and presents a panorama of a future in which humans will have to adapt quickly. Be able to survive. One of the most common claims is that these future changes will not happen in 100 years, but in 30 or even 10 years. Although these consequences seem irreversible, IPCC experts point out the importance of redoubling efforts and accelerating actions to mitigate those consequences that cannot yet be reversed in the shortest possible time.

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What Is Climate Change? A Really Simple Guide

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Technical storage or access is required to create user profiles to send advertisements or track the user across a website or across websites for similar marketing purposes. A resident watches a fire on the Greek island of Evia, as the region experiences the worst heatwave in decades, which experts have linked to the climate crisis. Photography: Angelos Tzortzinis/AFP/Getty ImagesView image in full screen

A resident watches a forest fire on the island of Evia, Greece, as the region experiences the worst heat wave in decades, which experts have linked to the climate crisis. Photograph: Angela Tzortzinis/AFP/Getty Images

What Is Irreversible Climate Change

Human activity is changing Earth’s climate in an “unprecedented” way for thousands or hundreds of thousands of years, with some changes now inevitable and “irreversible”, climate scientists have warned.

Major Climate Changes Inevitable And Irreversible

Temperatures are likely to rise more than 1.5 degrees above pre-industrial levels over the next two decades, breaching the 2015 target. Paris climate agreement ambitions and widespread destruction and extreme weather.

According to the Intergovernmental Panel on Climate Change, the world’s leading body on climate science, only rapid and radical cuts in greenhouse gas emissions this decade can prevent such a climate collapse, and every bit of additional degree of global warming could worsen climate change. Accelerating effects.

Released on Monday, the Comprehensive Climate Science Assessment is the sixth such report issued by the Intergovernmental Panel on Climate Change since 1988 and has been eight years in the making, involving the work of hundreds of experts and peer-reviewed research. It reflects everything the world knows so far about the physical basis of climate change, finding that human activity has been “without a doubt” the cause of rapid climate change, including sea level rise, melting polar ice and glaciers, heat waves, floods, and droughts. .

World leaders said the stark findings call for urgent new policy measures to shift the global economy to a low-carbon base. The governments of 197 countries are due to meet in Glasgow next November for vital UN climate talks known as Cop26.

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Floods caused severe damage in Scölde, near Bad Neuenahr-Arweiler in western Germany, and 189 people died. Photograph: Christophe Stacchi/AFP/Getty Images

Every country is required to come to Cop26 with new plans to reduce greenhouse gas emissions to levels that limit global warming to no more than 1.5 degrees above pre-industrial levels. This is the ambition and goal of the Paris Climate Agreement, as highlighted by the Intergovernmental Panel on Climate Change. It’s still possible, but only just.

António Guterres, Secretary-General of the United Nations, warned: “[This report] is a red flag for humanity. The alarm bells are ringing deafening and the evidence is indisputable: greenhouse gas emissions from burning fossil fuels and deforestation are suffocating our planet and directly endangering billions of people.” .

What Is Irreversible Climate Change

He called for an end to the construction of new coal-fired power plants and the exploration and development of new fossil fuels, and called on governments, investors and companies to focus their efforts on a low-carbon future. “This announcement should sound the death knell for coal and fossil fuels before they destroy our planet,” he said.

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UK Prime Minister Boris Johnson, host of the Cop26 conference, said: “Today’s report is a sobering read and it is clear that the next decade will be crucial to securing the future of our planet… I hope today’s report serves as a wake-up call.” For the world to act now, until we meet in Glasgow in November for the important COP26 summit.

John Kerry, special envoy of US President Joe Biden, said: “The IPCC report underscores the urgent need for this moment. The world must come together before it is possible to limit global warming to 1.5°C… Glasgow must be the turning point in this crisis.

From 1850 to 1900, the Intergovernmental Panel on Climate Change said that temperatures rose by about 1.1 degrees Celsius, but climate stabilization at 1.5 degrees Celsius is still possible. This level of heat will still lead to more heat waves, more severe storms, and more extreme droughts and floods, but it will pose a much lower risk than the 2°C risk.

Every bit of warming matters, said Richard Allan, professor of climate science at the University of Reading and lead author of the Intergovernmental Panel on Climate Change. “You’re promoting moderate to high-level extreme weather events [with additional temperature increases],” he said.

Pdf] Irreversible Climate Change Due To Carbon Dioxide Emissions

In downtown Greenville, California on August 7. The firehouse and fire station burned down. The Dixie Fire destroyed an area larger than Los Angeles. Photograph: Josh Edelson/AFP/Getty Images

Civil society groups urged governments to act immediately. Doug Barr, chief scientist at Greenpeace UK, said: “This is not the first generation of world leaders to be warned by scientists about the seriousness of the climate crisis, but they are the last who can ignore it. The frequency, scale and severity of the climate disasters that have scorched and inundated many parts of the world in recent months are the result of past inaction. If world leaders do not finally act on these warnings, things will get much worse.

Stephen Cornelius, senior climate advisor at WWF, added: “This is a stark assessment of the terrifying future that awaits us if we do not act. With the world on the brink of irreparable damage, every bit of warming is important to reduce the risks.”

What Is Irreversible Climate Change

Even if the world succeeds in limiting temperature increases to 1.5 degrees Celsius, some long-term effects of global warming are likely to be inevitable and irreversible. These factors include sea level rise, melting Arctic ice, and ocean warming and acidification. Drastic cuts in emissions could prevent more severe climate change, but they will not return the world to the milder weather patterns of the past, according to scientists at the Intergovernmental Panel on Climate Change.

Possible Irreversible Changes To Sub Systems Prior To Reaching Climate Change Tipping Points

“We are already seeing climate change, including more frequent and extreme weather events, and many of these impacts are left behind,” said Ed Hawkins, professor of climate science at the University of Reading and lead author on the Intergovernmental Panel on Climate Change.

Guiri Rogelj, research director at the Grantham Institute at Imperial College London and lead author of the IPCC, added that this report is likely to be the last IPCC report, while there is still time to keep temperatures below 1.5. Celsius. “This report shows how close we are to reaching 1.5°C

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