Endangered

This file photo provided by Mary Sage shows a polar bear watching a whaling crew off shore near Barrow, Alaska, Monday, May 22, 2006. Polar bears are in deep trouble because of global warming and other factors and deserve federal protection under the Endangered Species Act, the Bush administration is proposing Wednesday, Dec. 27, 2006. (AP Photo/Courtesy of Mary Sage, Joseph Napaaqtuq Sage)

This undated file photo released by the U.S. Fish and Wildlife Service shows a sow polar bear resting with her cubs on the pack ice in the Beaufort Sea in northern Alaska. Polar bears are in deep trouble because of global warming and other factors and deserve federal protection under the Endangered Species Act, the Bush administration is proposing Wednesday, Dec. 27, 2006. (AP Photo/U.S. Fish and Wild Life Service, Steve Amstrup, FILE)