Arctic of old is gone, experts warn
Photo caption: Satellite images taken on July 28, left, and Aug. 5, right, shows the Petermann Glacier in northern Greenland before and after a 110-square-mile piece of ice broke off. The huge ice island is more than four times the size of New York's Manhattan Island. The Arctic — an area described as Earth's refrigerator because its ice helps keep temperatures cool — continues to warm up and is unlikely to return to earlier conditions, according to an annual report card issued Thursday by top scientists. Record temperatures across the Canadian Arctic and Greenland, a reduced summer sea ice cover, (and) record snow cover decreases" were cited as factors supporting the conclusion in the 2010 Arctic Report Card issued by the National Oceanic and Atmospheric Administration. The report card "tells a story of widespread, continued and even dramatic effects of a warming Arctic," lead researcher Jackie Richter-Menge, an expert at the federal Cold Regions Research and En...