Glacial Change Ain't What It Used To Be: Petermann Calves Another Huge Chunk of Greenland Ice | ThinkProgress: "Petermann Glacier has calved another gigantic ice island, larger than twice the size of Manhattan, not quite as large as the calving of two years ago. A study this month found that the melting of the Greenland Ice Sheet is nearing a critical “tipping point.”"
'via Blog this'
