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Vital indicators of climate change - Global temperature

Vital indicators of climate change - Global temperature


The global mean surface temperature in 2021 was about 1.1℃ above pre-industrial levels. The last seven years (2015-2021) are the warmest seven years on record globally.

Global mean temperature anomalies

Global mean surface temperature change relative to 1850-1900
(Source: UKMO / WMO State of the Global Climate 2021)

Global temperature datesets

  1. European Centre for Medium-Range Weather Forecasts
  2. Hadley Centre/Climate Research Unit of the University of East Anglia (UK)
  3. Japan Meteorological Agency
  4. US National Aeronautics and Space Administration
  5. US National Oceanic and Atmospheric Administration