Ultimately, a continually warming world will have no sea ice habitat for polar bears, and that is the rub they face. (dotearth.blogs.nytimes.com)
This is devastating news for polar bears, who are suffering as their sea - ice habitat melts from under their paws. (resilience.org)
Because polar bears are entirely dependent upon the sea ice for their survival, any observed and projected reductions in preferred sea ice habitats can only result in declines. (dotearth.blogs.nytimes.com)