Increased sea ice drift puts polar bears on faster-moving treadmill

Wednesday, June 7, 2017 - 05:52 in Earth & Climate

A new study led by the U.S. Geological Survey (USGS) and the University of Wyoming found that increased westward ice drift in the Beaufort and Chukchi seas requires polar bears to expend more energy walking eastward on a faster-moving "treadmill" of sea ice.

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