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Interview: The Polar Bear's Future
Polar bears on sea ice in the Arctic Ocean. (Photo courtesy of Jessica K Robertson, USGS)
Studies from NASA and many other U.S. agencies report the Arctic ice is melting at a rapid rate. Scientists say it's the most visible and dramatic evidence of global warming. One of the symbols of climate change in the Arctic is the polar bear. Lester Graham talked with the senior polar bear scientist with the U.S. Geological Survey, Steven Amstrup, about the future of the bear:
News about polar bears from the USGS
Producer: Lester Graham
Release Date: July 20, 2009
Running Time: 3:06