Across the world 2015 was the hottest year on record. When compared with the long-term average between 1850 and 1900, the temperature was around 1C warmer. This increase is mostly the result of long-term warming linked to greenhouse gases, but temperatures in 2015 were also boosted by a very active El Niño – warmer-than-normal ocean […]

via If the world has another record warm year, will everywhere be warmer? — Met Office News Blog

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