Read the full story in the NYT Climate Fwd newsletter.
Over the three decades that scientists with the Intergovernmental Panel on Climate Change have been issuing major reports about the state of the climate, they’ve gradually expressed more certainty about what is happening and why.
The latest report by the panel, which is convened by the United Nations, is the most certain yet. The more than 200 scientists involved, who perused thousands of climate studies, dispensed with even the slightest doubt that Earth’s climate is changing and that humans are the cause of it, through emissions of carbon dioxide and other heat-trapping gases.
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