In this July 18, 2012 file photo, the Empire State, MetLife and Chrysler buildings are seen against a hazy backdrop in New York. Heat rising up from cities such as New York, Paris and Tokyo might be remotely warming up winters far away in some rural parts of Alaska, Canada, and Siberia. At least thatís what a surprising study suggests. (AP Photo/Mary Altaffer, File)
Read the article: Study: Distant rural areas may feel cities' heat
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