Greenland's surface ice cover melted this month over a larger area than ever detected in more than 30 years of satellite observations, NASA said recently.
According to measurements from three separate satellites analyzed by NASA and university scientists, an estimated 97 per cent of the ice sheet surface thawed at some point in mid July, the agency said in a statement. “This was so extraordinary that at first I questioned the result: was this real or was it due to data error?” said NASA's Son Nghiem.