Thứ Tư, 28 tháng 10, 2015

Greenland Is Melting Away


Greenland Is Melting Away
The full melting of Greenland’s ice sheet could increase sea levels by about 20 feet. Scientists are trying to figure out just how quickly that's happening.

October 27, 2015 at 11:45PM
via Digg http://ift.tt/1NxKgfR

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