Greenland's Ice sheet lost in past 20 years enough to submerge entire US in half a metre of water Published on February 3, 2022 16:35 by Trudi Schifter, CEO and Founder AquaSPEGreenland's Ice sheet lost in past 20 years enough to submerge entire US in half a metre of water Attached link https://www.youtube.com/embed/5Yw_Q-FyWaU