U.N. says 2014 was the hottest year on record — mashable.com

The United Nations weather agency says 2014 was the warmest year on record, though the temperature difference with 2010 and 2005 is so small that it's impossible to say for sure which of the three years was the hottest. The World Meteorological Organization's analysis Monday mirrored findings two weeks ago by NASA and the National Oceanic and Atmospheric Administration, and also included data from the Met Office in Britain.

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