NOAA Index Tracks How Greenhouse Gas Pollution Amplified Global Warming In 2020 Published: Tuesday, 25 May 2021 06:01
Methane is flared from a Bakken Field well site in North Dakota
Credit: Jeff Peischl/NOAA-CIRES
May 25, 2021 - Extra heat trapped in the atmosphere by human-caused greenhouse gas pollution continued to exacerbate global warming in 2020, driven by historically high emission levels that were largely unaffected by the economic slowdown stemming from the pandemic, NOAA scientists reported.
NOAA’s Annual Greenhouse Gas Index, known as the AGGI, tracks increases in the warming influence of most heat-trapping gases being added to the atmosphere principally from human activity, including carbon dioxide, methane, nitrous oxide, chlorofluorocarbons, and other chemicals. The top five greenhouse gases account for about 96 percent of the increased heat trapped in the atmosphere due to human activity since 1750, the start of the Industrial Revolution. The AGGI also tr
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NOAA index tracks how greenhouse gas pollution amplified global warming in 2020
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