Greenland’s ice sheet melt has ‘gone into overdrive’ and is now ‘off the charts’

USA Today reports:

The melting of Greenland’s massive ice sheet has now accelerated, scientists announced Wednesday, and shows no signs of slowing down, according to a new study.

“Melting of the Greenland ice sheet has gone into overdrive,” said Luke Trusel, a glaciologist at Rowan University and lead author of the study. “Greenland melt is adding to sea level more than any time during the last three and a half centuries, if not thousands of years,” he said.

Ice loss from Greenland is the single largest contributor to global sea-level rise, which is predicted to lead to inundation of low-lying islands and coastal cities around the world over the next several decades and centuries.

Conservative estimates of global sea level rise are currently an additional half a meter or more by 2100 , according to German news agency Deutsche Welle (DW). Alun Hubbard, a professor of glaciology at Aberystwyth University in Wales, told DW that even an increase of half a meter is “a terrible disaster for humanity – especially coastal regions of the planet.”

“From a historical perspective, today’s melt rates are off the charts, and this study provides the evidence to prove this” said co-author Sarah Das, a glaciologist at the Woods Hole Oceanographic Institution. [Continue reading…]

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