Warming Climate May Put Chill on Arctic Polar Bear Population

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NASA has teamed with the Canadian Wildlife Service to examine how changes in sea ice might be affecting polar bear populations in five regions: Baffin Bay Davis Strait Foxe Basin Western and Eastern Hudson Bay. Sea ice data for the following map come ...
NASA has teamed with the Canadian Wildlife Service to examine how changes in sea ice might be affecting polar bear populations in five regions: Baffin Bay, Davis Strait, Foxe Basin, Western and Eastern Hudson Bay. Sea ice data for the following map come from the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave Imager (SSMI) for June 2000. Credit: NASA/Canadian Wildlife Service

Some travel agencies touting Arctic tours have been revving up their recent promotions to tourists about the increased likelihood they will spot polar bears in this region where several populations of polar bears live. According to scientists from NASA and the Canadian Wildlife Service, these increased Arctic polar bear sightings are probably related to retreating sea ice triggered by climate warming and not due to population increases as some may believe.


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