Greenland ice melting so fast scientists thought they made a mistake.

Guardian: “The Greenland ice sheet melted at a faster rate this month than at any other time in recorded history, with virtually the entire ice sheet showing signs of thaw.” “The rapid melting over just four days was captured by three satellites. It has stunned and alarmed scientists, and deepened fears about the pace and future consequences of climate change. In a statement posted on Nasa‘s website on Tuesday, scientists admitted the satellite data was so striking they thought at first there had to be a mistake.”