The big thaw: Greenland ice cover vanishes in just four days

Independent: The vast ice sheet of Greenland, which holds enough water to raise global sea levels by 7.2 metres, underwent a remarkable transformation for a few days this month when scientists observed an unprecedented melting of its frozen surface. For the first time since satellites began recording changes to Greenland from space more than 30 years ago, scientists observed surface melting across almost the entire ice sheet – the second-largest body of ice after Antarctica. The phenomenon in Greenland......

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