Massive Ice Melt In Greenland Worries Scientists

National Public Radio: A pair of NASA satellite images taken just four days apart tells a potentially worrying story of melting ice in the polar summer. The first, snapped from orbit on July 8, shows about 40 percent of the Greenland ice sheet shaded in pink or red to illustrate probable or confirmed surface melting. The second photo, taken on July 12, shows nearly the entire land mass - 97 percent - blotched in a red hue. In a typical year, only about half of the Greenland ice sheet undergoes this kind of melting......

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