Last year tied with 2010 as warmest on record

[Yahoo! News]

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By Alister Doyle OSLO (Reuters) - Last year tied with 2010 as the hottest on record, in a new sign of long-term global warming stoked by human activities, according to British data on Monday that back up U.S. findings of record-breaking heat in 2014. The worldwide data, compiled by the Met Office and the University of East Anglia from records stretching back to 1850, showed average surface temperatures last year were 0.56 degree Celsius (1.0 Fahrenheit) above the long-term average of 1961-90. On Jan. 16, the U.S. space agency NASA and the National Oceanographic and Atmospheric Administration said last year was the warmest on record, just ahead of 2010. Discrepancies occur because they use different ways to determine temperatures in places with few thermometers, such as the Arctic.

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