Today, the U.S. Fish and Wildlife Service made official its proposal to list the polar bear as a threatened species. The decision to list is strongly supported by sound science. The USFWS made its determination after the U.S. Geological Survey released a series of reports last fall that concluded shrinking sea ice caused by global warming could eliminate two-thirds of the world's polar bears - and all of those in Alaska - in the next 50 years. Read our statement here.

Read Audubon Magazine's cover story in the latest issue.