**FILE** A polar bear patrols the ice in the Arctic National Wildlife Refuge in Alaska. His 2004 observation of polar bears likely drowning in conjunction with global warming has come back to haunt federal wildlife biologist Charles Monnett. (Associated Press)

**FILE** A polar bear patrols the ice in the Arctic National Wildlife Refuge in Alaska. His 2004 observation of polar bears likely drowning in conjunction with global warming has come back to haunt federal wildlife biologist Charles Monnett. (Associated Press)