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Though 2017 was slightly cooler on average compared to 2016. the trend towards a warmer planet has never been clearer.
The six hottest years have all occurred since 2010 and 17 of the 18 hottest years on record have occurred since 2001.
According to NASA, the globally averaged temperature of the land and ocean was 0.9˚C (1.62˚F) above the 20th century average. This puts us well over halfway to the ambitious target of limiting warming to 1.5˚ C (2.7˚F) set in the 2016 Paris Climate Agreement.
Scientists believe if that if we are to avoid exceeding that limit, carbon emissions would need to be significantly reduced starting immediately.