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KMC » 9pm - Jul 25, 2012
On July 8, NASA satellite imagery showed about 40 percent of Greenland's top ice layer intact. By...
Rating: 4.0 (1 Vote)
Category: Global Warning
Tags: PBS, NewsHour, greenland, glacier, ice, nasa, science, global, warming, climate, change, melting
On July 8, NASA satellite imagery showed about 40 percent of Greenland's top ice layer intact. By July 12, only four days later, 97 percent of the ice had melted. Margaret Warner asks NASA's Thomas Wagner for scientific explanation of the massive thaw.
Published on Jul 25, 2012 by PBSNewsHour
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