Global Warming Will Top 1.5-Degree Limit, U.N. Reports

Source: PBS News HourIn a first-of-its-kind report issued Wednesday, the United Nations has said that Earth has lost its chance to prevent some of the worst of global warming's harms. Now, the world must figure out how to get temperatures below the danger zone and back to safety, officials warn. Earth is soon going to exceed the safe temperature threshold agreed upon by the world in the 2015 Paris climate agreement because of warming from the burning of coal, oil,...