For the first time on record, rain fell at the summit of Greenland ice sheet. Last weekend, temperatures at Greenland’s highest point rose above freezing for the first time this decade. That fueled an ...

(CNN) — For the first time on record, precipitation on Saturday at the summit of Greenland — roughly two miles above sea level — fell as rain and not snow. Temperatures at the Greenland summit over ...

Four key climate systems are showing signs of instability and approaching tipping points with potentially abrupt and ...

Greenland's ice sheet melted 17 times faster than the past average during a May heatwave that also hit Iceland, the ...