Early data ranks 2021 as Earth’s fifth warmest year

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The early numbers are in, according to the European Union’s Copernicus Climate Change Service, and 2021 ranks as the fifth warmest year on record.

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Why this matters: The rankings indicate a temporary cooling effect of a moderate La Nia event in the tropical Pacific Ocean. can’t do much To reduce the effects of human-caused global warming.

Description: Preliminary data from Copernicus are in line with estimates from US climate agencies such as NOAA, which estimated that the year was almost certain to rank as the sixth warmest year in its database, which dates back to the late 19th century.

  • Copernicus’ data based on refined Sharing observations with computer models, goes back to 1979.
  • As the chart shows, natural variability, such as La Nia episodes and their warm relatives, known as El Nios, can cause global temperature anomalies to bounce up or down from year to year.
  • However, a relentless in the overall trend, human powered upward march,
  • Copernicus finds that 21 of the 22 warmest years have occurred since the year 2000, while NOAA records show that the world’s 10 warmest years have occurred since 2005.
  • The approximately 1.1 °C (1.98 °F) global warming that has occurred since the pre-industrial era is already causing unprecedented extreme weather events, ranging from heat waves to wildfires and more powerful storms. .
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What will happen next: The Copernicus data will soon be finalized and linked to information from other global temperature tracking groups.

  • The early outlook for 2022 is for another top 10 warmest year.

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