Canada’s Hudson Bay is as ice-free in November as on a summer’s day and polar bears could be extinct here by mid-century. If the bears are in trouble, so are we.
Climate change is known for swelling the oceans and fueling extreme weather, but it may be also causing the curious emergence of a new type of bear in the Arctic.
A bear shot in the frigid expanse of northern Canada is believed to be a grizzly-polar bear hybrid, a consequence of the increasing interactions between the two imposing bear species.
Polar bears rely on sea ice — using it as a place to rest and hunt. Unfortunately, there seems to be less and less of it every year.
Scientists with the University of Alberta, Climate Change Canada and the Zoological Society of San Diego tracked the movements of polar bears in the Beaufort Sea and Hudson Bay. The data suggests the predators tend to swim greater distances as ice disappears.
A 187,000 square-mile swath of land and sea in Alaska was restored by a federal appeals court as a “critical habitat” for polar bears, a boon for the endangered species and yet another blow to Alaska’s tumbling petroleum industry.
Global warming is driving more species further north, scientists say, as polar bears are spotted devouring dolphins for the first time