Climate change is starving polar bears, cameras strapped to them show
Thanks to climate change, polar bears are not getting enough to eat. Scientists from Washington State University and the U.S. Geological Survey equipped 20 polar […]
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What is the polar vortex, and how does it contribute to cold snaps?
Bitter cold is expected across much of the U.S. this weekend. But what do headlines mean when they say a “polar vortex cold snap” is […]