The Arctic is getting hotter, greener and less icy much faster than expected, report finds

Bitterly cold, frozen and inhospitable to nearly all wildlife apart from polar bears. This is the image of the Arctic that comes to mind for many. But in a matter of decades -- a blink of an eye in the history of this planet -- human-caused global warming has transformed the Arctic into a place that scientists say is increasingly unrecognizable. Jim Overland is quoted.