MSNBC: Three satellites found that 97 percent of Greenland -- the land mass second only to Antarctica for its volume of ice -- underwent a thaw never before seen in 33 years of satellite tracking, NASA reported Tuesday. Satellite experts at first didn't trust their readings, especially since they showed an incredible acceleration. Over four days, Greenland's ice sheet -- which covers 683,000 square miles -- went from 40 percent in thaw to nearly entirely in thaw. "This was so extraordinary that at...
URL: http://worldnews.nbcnews.com/_news/2012/07/24/12927340-ice-melt-found-across-97-percent-of-greenland-satellites-show?lite
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