One of the most attractive critters at the zoo splashes through frigid waters: polar bears, the beauties of the Arctic Circle ...
The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change.
The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast.
A polar vortex has plunged Niagara Falls into extreme cold, freezing mist into ice. Scientists explain the phenomenon, ...
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