Polar vortex: Whatever happened to global warming? Champ 00:01 BBC News - World No comments With the US in the grips of a bone-chilling spell, scientists take a look at longer-term implications. from BBC News - World https://bbc.in/2WxTXFi via IFTTT Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook
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