BBC News - UN climate talks begin as global temperatures break records
All 50 U.S. states below feezing in second polar plunge | Daily Mail Online
Analysis: Coldest November morning in U.S. since 1976; all 50 states freeze - The Washington Post
January to October was the hottest since records began
Deep freeze, USA: All 50 states sink below freezing point after second polar plunge dumps FIVE FEET of snow on Great Lakes
Coldest November morning in U.S. since 1976; all 50 states freeze
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