FEB 6 2014 1:40 PM ET // BY CLIMATE CENTRAL
Hearing about climate change may bring heat waves and sweltering summers to mind, but in most regions in the United States., winter temperatures are also on the rise. In spite of last year's East Coast blizzard and polar vortex, winters have, on average, been getting warmer since the 1970s. One of the starkest examples of this is the overall drop in the number of nights below freezing in most cities.
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