UN calls on humanity to end 'war on nature,' go carbon-free

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FILE - In this Tuesday, Oct. 27, 2020 file photo, Herman Termeer, 54, stands on the roof of his home as the Blue Ridge Fire burns along the hillside in Chino Hills, Calif. An overheating world obliterated weather records in 2020 an extreme year for hurricanes, wildfires, heat waves, floods, droughts and ice melt the United Nations weather agency reported Wednesday, Dec. 2, 2020. (AP Photo/Jae C. Hong)

As an extreme year for hurricanes, wildfires and heat waves comes to an end, the head of the United Nations challenged world leaders to make 2021 the year that humanity ends its “war on nature” and commits to a future free of planet-warming carbon pollution.

With new reports highlighting 2020’s record-breaking weather and growing fossil fuels extraction that triggers global warming, U.N. Secretary-General Antonio Guterres delivered yet another urgent appeal to curb climate change. It was tinged with optimism but delivered dire warnings, as the UN gears up for a Dec. 12 virtual climate summit in France on the 5th anniversary of the landmark 2015 Paris climate agreement.

“The state of the planet is broken,” Guterres said in a speech at Columbia University. “Humanity is waging war on nature. This is suicidal.”

“Apocalyptic fires and floods, cyclones and hurricanes are increasingly the new normal,” he said.

In a report, the World Meteorological Organization said this year is set to end about 1.2 degrees Celsius (2.2 degrees Fahrenheit) warmer than the last half of the 1800s, which scientists use as a baseline for warming caused by heat-trapping gases from the burning of coal, oil and natural gas. Most trapped heat goes into the world’s seas, and ocean temperatures now are at record levels. It also means 2020 will go down as one of the three hottest years on record.

“There is at least a one-in-five chance of it temporarily exceeding 1.5 degrees Celsius by 2024,” WMO Secretary-General Petteri Taalas said. The Paris climate accord set a goal of not exceeding 1.5-degree (2.7 degrees Fahrenheit) warming since pre-industrial times.

A new analysis by Climate Action Tracker scientists who monitor carbon pollution and pledges to cut them said public commitments to emission cuts, if kept, would limit warming to about 2.6 degrees Celsius (4.7 degrees Fahrenheit) and possibly as low as 2.1 degrees Celsius.

Guterres saw hope in promises by more than 100 countries that by mid-century they will not be adding more heat-trapping gases to the atmosphere than trees and technology can remove, along with shorter term pollution cuts. China and U.S. President-elect Joe Biden have pledged net zero carbon emissions.