
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Earth's surface temperature each year from 1900–2020 compared to the 1981-2020 average, based on temperature histories put together by three different research groups: NOAA (red), University of East Anglia (pink line), and NASA (orange line). All show Earth is warming. (The latest multi-dataset comparison comes out each summer in the Bulletin of the American Meteorological Society's State of the Climate reports.) The background image from the NOAA DISCOVR/EPIC mission shows Hurricane Laura coming ashore in Louisiana on August 26, 2020. Image by NOAA Climate.gov, adapted from State of the Climate 2020.