These claims are overblown. A leading Canadian polar bear biologist wrote recently, Climate change is having an effect on the west Hudson population of polar bears, but really, there is no need to panic. Of the 13 populations of polar bears in Canada, 11 are stable or increasing in number. They are not going extinct, or even appear to be affected at present.21
21 Dr Mitchell Taylor, Dept. of the Environment, Government of Nunavut, in The Toronto Star, May 1, 2006.
His jobs a goner.