Governments must slash emissions further and faster, and keep every climate promise they have made for the planet to be able to return to 1.5C of warming by the end of the century after an inevitable overshoot, a group of prominent climate scientists has said.
In a flagship new report sketching out a way not to lose the most ambitious Paris Agreement goal, the scientists said that global temperatures need to peak at no higher than 1.8C above pre-industrial levels to give the world “a fighting chance” to reverse course. They added that plans to suck carbon dioxide out of the atmosphere can only play a limited role in this effort and cannot substitute for e
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