'Scary' Warming at Poles Showing Up at Weird Times, Places

Scientists are seeing surprising melting in Earth's polar regions at times they don't expect, like winter, and in places they don't expect, like eastern Antarctica. New studies and reports issued this week at a major Earth sciences conference paint one of the bleakest pictures yet of dramatic warming in the Arctic and Antarctica. Alaskan scientists described to The Associated Press on Tuesday never-before-seen melting and odd winter problems, including permafrost that never...

© La Voix de l'Amérique - mardi 11 décembre 2018