Canwest News Service: The ferocious wolverine — strong enough to kill prey as large as a moose — may not be tough enough to survive climate change. New research published in the journal Population Ecology suggests that as the wolverine’s snowy habitat across northwestern Canada melts, the hardy and elusive creature’s population thins. “The general trend is that the faster the snowpack is declining, the more it’s declining, the worse off it seems to be for the wolverines,” said wildlife biologist …