Next 10,000 years of Greenland ice sheet could be decided this century

A big portion of the Greenland ice sheet might soften over the subsequent 10,000 years if cumulative carbon emissions attain 1000 gigatonnes, roughly double what has already been emitted.

Global warming pushed by emissions of carbon dioxide and different greenhouse gases is already inflicting substantial melting on the Greenland ice sheet. By 2100, meltwater from Greenland alone is predicted to contribute a number of centimetres of sea degree rise.

But 2100 is hardly the tip of the story. “The lifetime of CO2 within the ambiance …