FILE - This undated file photo provided by Subhankar Banerjee shows a polar bear in the Arctic National Wildlife Refuge in Alaska. Federal wildlife biologist Charles Monnett, whose observation that polar bears likely drowned in the Arctic helped galvanize the global warming movement, was placed on administrative leave as officials investigate him for scientific misconduct. InvestigatorsÕ questions have focused on a 2004 journal article that Monnett wrote about the bears, said thePublic Employees for Environmental Responsibility group that is representing him. Monnett was told July 18 that he was being put on leave, pending an investigation into "integrity issues." (AP Photo/Subhankar Banerjee, File)