The United Nations outlined on Sept. 2 how the world might bring global temperatures back to 1.5 degrees Celsius once the milestone target is breached in a first-of-its-kind assessment that drew criticism from climate activists.

Earth will breach a long-standing target before the end of the decade, report says.

Focus must now switch to limiting extent of overshoot, says United Nations' climate report

If global warming remains above 1.5 degrees Celsius, a new U.N. report says “there are no good outcomes.”

A United Nations report details managing global temperatures after exceeding the 1.5C target. Scientists agree warming above this level poses grave risks to the planet. The…