You know how a big chunk of ice breaks off the Antarctica glacier every summer (usually in November or December)? Guess where else it's starting to happen on a big scale?
http://www.cnn.com/2010/WORLD/americas/08/07/greenland.ice.island/index.html?hpt=T2
http://www.cnn.com/2010/WORLD/americas/08/07/greenland.ice.island/index.html?hpt=T2