But we're still probably not going to do anything to stop this or slow it down. (By "we", I mean humanity, of course.)
A block of ice four times the size of Manhattan has split off from a Greenland glacier and melted--an event so dramatic that it's shocked the scientists who study the area.
Alun Hubbard of Aberystwyth University, Wales, said he was rendered "speechless" when he saw the now much smaller Petermann glacier. The break happened in 2010, but this is the first time photos have been available.
Greenland's ice sheet may be melting at the rate of 400 billion tons per year. According to MSNBC, Greenland has lost "592.6 square miles of ice between 2000 and 2010.