Reversing Climate Change

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Climate change: Have countries kept their promises?
https://www.bbc.com/news/science-environment-55222890

Climate change: Covid drives record emissions drop in 2020
https://www.bbc.com/news/science-environment-55261902

While 2020's fall of over two billion tonnes of CO2 is welcome, the scientists say that meeting the goals of the Paris Climate Agreement will need cuts of up to two billion tonnes every year for the next decade.

"Although global emissions were not as high as last year, they still amounted to about 39 billion tonnes of CO2, and inevitably led to a further increase in CO2 in the atmosphere," said lead researcher Prof Pierre Friedlingstein from the University of Exeter, UK.

"The atmospheric CO2 level, and consequently the world's climate, will only stabilise when global CO2 emissions are near zero."

The study has been published in the journal Earth System Science Data.