The polar bear has long been a symbol of the damage wrought by global warming, but now biologist Andrew Derocher and his colleagues have calculated how long one southerly population can hold out. Their answer? No more than a few decades, as the bears’ decline closely tracks that of the Arctic’s disappearing sea ice. Read more

 

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This map, created by the Polar Bear Specialist Group of the International Union for Conservation of Nature, depicts the 19 distinct polar bear populations across the Arctic. The abbreviations stand for the following populations: WH — Western Hudson Bay; MC — M’Clintock Channel; GB — Gulf of Boothia; LS — Lancaster Sound; KB — Kane Basin; NW — Norwegian Bay; VM — Viscount Melville Sound; NB — Northern Beaufort Sea; SB — Southern Beaufort Sea. (Courtesy of Polar Bear Specialist Group)
View an interactive map


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