2015 Was the Hottest Year on Record

Long-term climate change got a boost from the developing El Niño and obliterated previous records.

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NASA images by Joshua Stevens, based on data from the NASA Goddard Institute for Space Studies. Caption by Mike Carlowicz.

Published January 21, 2016
Data acquired January 1, 1950 - December 31, 2015

Sources:

In situ Measurement

Model