Greenland ice sheet melt 'off the charts' compared with past four centuries

PHY ORG

An aerial shot of mountains in Greenland. 2006.
Photo by Túrelio.

Surface melting across Greenland's mile-thick ice sheet began increasing in the mid-19th century and then ramped up dramatically during the 20th and early 21st centuries, showing no signs of abating, according to…
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