Canada’s High Arctic could become the last stable refuge for polar bears as climate change melts away their hunting grounds, a U.S. government report says.
Populations elsewhere — in Alaska, Russia, Norway and around Hudson Bay, northern Quebec and Newfoundland and Labrador — are likely to decrease or greatly decrease by the year 2050 as global temperatures rise, the report projects.
- Read the report on polar bears
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- CBC Archives: Climate change threatens polar bears
But under a moderate scenario for greenhouse gas emissions, with enough reductions worldwide to keep the average global temperature hike to no more than two degrees, the polar bear population in northern Nunavut is most likely to remain stable and even has a decent chance of increasing, researchers say.
The 124-page research report comes from the U.S. Geological Survey, an entity of the U.S. Department of the Interior…
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