Nature: Human Warming Now Pushing Entire Greenland Ice Sheet into the Ocean

Picture above: Leading edge of the accelerating Zachariae Ice Stream meets the warming and increasingly ice free ocean on August 20 of 2013. Satellite image source: Lance-Modis. Greenland — a vast store of ice three kilometers tall at its center and the final remnant of the Northern Hemisphere’s great glaciers of the last ice age […]