Greenland's ice sheet has melted to a point of no return, study finds -

"The authors found that after 2000, the ice sheet shrank so rapidly that replenishing snowfall would not keep up with the rate of melting from parts of the glacier newly exposed to warmer ocean water, even if climate change were reversed.

Entire coasts of ice are retreating at once due to climate change, Howat said, adding that all 200 glaciers that make up the Greenland ice sheet have been observed retreating within the same episode."

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Greenland's ice sheet has melted to a point of no return, study finds - CNN