World Greenland’s ice sheet is melting so fast, it’s raising sea levels and creating global flood risk November 3, 2021Jordan Mendoza, USA TODAYComments Off on Greenland’s ice sheet is melting so fast, it’s raising sea levels and creating global flood risk The second largest ice sheet in the world has lost 3.5 trillion tons of ice in the past decade, and more could be in store by the end of the century.