Warmer, Greener Arctic Becoming a Source of Heat-Trapping Gas
As the northern latitudes warm, ice is melting and vegetation is spreading. But instead of absorbing more carbon, the region is becoming a source of heat-trapping gas, a new study shows.Read more on E360 →

As the northern latitudes warm, ice is melting and vegetation is spreading. But instead of absorbing more carbon, the region is becoming a source of heat-trapping gas, a new study shows.