This Yale Environment 360 article discusses the fact that Greenland’s ice is melting and we have to make hard climate choices now. Greenland is melting at an unprecedented rate, causing vast quantities of ice to disappear and global sea levels to rise. The fate of the ice sheet is not sealed, but unless CO2 emissions are sharply cut, the long-term existence of Greenland’s ice is in doubt.
Greenland’s ice sheet covers about 80 percent of the island, and measures about 660,000 square miles; in its center, it runs to a depth of about two miles. According to the most recent NASA studies, the ice sheet holds enough water to raise sea levels by about 24 feet, should it ever disappear completely.