The future for polar bears and other arctic marine mammals

 
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1980 and 2012 September Sea ice extent. Graph showing the approximately 13% per decade decline in summer sea ice extent. (Graphic by the National Snow and Ice Data Center)

Polar bears need sea ice to survive. Scientist Steven Amstrup has devoted his career to polar bear research and is definitive in calling for global action in reducing greenhouse gas emissions such as those outlined in the Paris climate accord. The U.S. is no longer party to the agreement. So now what?

(Image courtesy NASA)
(Image courtesy NASA)

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HOST: Lori Townsend

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