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'We are teetering on a planetary tightrope': Cut emissions in half right now to prevent climate catastrophe, UN warns

Live Science
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U.N. report: Global temperatures will soar to 3.1 degrees Celsius ( 5.6 degrees Fahrenheit ) above preindustrial levels by 2100 .

Warming on this scale is more than twice the 1.5 C ( 2.7 F) target outlined in the 2015 Paris Agreement .

"We are teetering on a planetary tightrope," says the United Nations secretary general.