National Geographic: After just a few days of intense melting this month, nearly the entire of the surface of Greenland's massive ice sheet had turned to slush, NASA images show-the fastest thaw rate since satellites began keeping score 30 years ago. It may be tempting to link the event to global warming, but scientists say such melts might occur every 150 years. If such rapid thaws become common, though, they could add to already rising seas, experts say (Greenland satellite picture). Most of the thawing occurred...
URL: http://news.nationalgeographic.com/news/2012/07/120725-greenland-ice-sheet-melt-satellites-nasa-space-science/
Enclosure: http://images.nationalgeographic.com/wpf/media-live/photos/000/571/cache/nasa-greenland-ice-sheet-surface-melt-diagram_57131_600x450.jpg
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