HUMANS HAVE BEEN KEEPING TRACK OF earth’s temperature since 1880. In those 136 years, the last year that counted as the “coldest on record” was 1911. Of the 16 warmest years on record, 15 of those years have been after 2000 (the outlier was 1998). And the hottest year of all? No drumroll necessary: it was 2015. By a mile.
The news comes from NASA’s Goddard Institute for Space Studies and the National Oceanic and Atmospheric Administration. 2015 wasn’t just the hottest year on record, it also had 10 months which were the hottest of their respective months on record. It was 20% hotter than the previous “hottest year on record.”