New research from the University of Washington and Polar Bears International in Bozeman, Montana, quantifies the relationship between greenhouse gas emissions and the survival of polar bear populations. The paper, published online Aug. 31 in Science, combines past research and new analysis to provide a quantitative link between greenhouse gas emissions and polar bear survival rates.
A polar bear photographed in the Greenland Sea in September 2012. Credit: Cecilia Bitz/University of Washington
"I hope the U.S. government fulfills its legal obligation to protect polar bears by limiting greenhouse gas emissions from In 2008, polar bears became the first species listed under the Endangered Species Act because of the threat of climate change. The biological link between warming and polar bear survival was clear, and scientists projected that up to two-thirds of the world's polar bears could disappear by mid-century.
The new paper, published in the 50th anniversary year of the Endangered Species Act and the 15-year anniversary of the listing of polar bears, brings new science to fill that knowledge gap.
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