Polar Bears & Global Warming

The single biggest threat to polar bears is decline to their habitat that’s likely to occur because of Global Warming

Polar Bears and the Future

Research Wildlife Biologist, Alaska Science Center, USGS, Anchorage, Alaska. Dr. Amstrup talks about Polar Bear science and managing bears as the pole warms up and the ice retreats.

Studying Polar Bears

Dr. Amstrup takes some time out in his office on the campus of the University of Alaska in Anchorage to talk about how polar bear research has moved from questions of hunting bears to climate change.