Climate commitment: Difference between revisions

Revision as of 04:28, 23 April 2023

Revision as of 04:56, 29 May 2023

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{{short description|Unavoidable future climate change due to inertial effects}}

{{refimprove|date=December 2012}}

[[File:1979- Radiative forcing - climate change - global warming - EPA NOAA.svg |thumb|right|upright=1.5 |The ongoing buildup of [[IPCC list of greenhouse gases|long-lived greenhouse gases]] in Earth's atmosphere, indicateswhose warming influence has nearly doubled since 1979, shows mankind's commitmentinfluence toon boththe recent and futureglobal climate changes.<ref name=NOAA_AGGI_2022>{{cite web |title=The NOAA Annual Greenhouse Gas Index (AGGI) |url=https://gml.noaa.gov/aggi/aggi.html |website=NOAA.gov |publisher=National Oceanographic and Atmospheric Administration (NOAA) |archive-url=https://web.archive.org/web/2023041620271420230524133553/https://gml.noaa.gov/aggi/aggi.html |archive-date=1624 AprilMay 2023 |date=Spring 20222023 |url-status=live }}</ref><ref>{{Cite web |url=https://www.globalchange.gov/browse/indicators/annual-greenhouse-gas-index |title=Annual Greenhouse Gas Index |publisher=U.S. Global Change Research Program |archive-date=21 April 2021 |archive-url=https://web.archive.org/web/20210421143115/https://www.globalchange.gov/browse/indicators/annual-greenhouse-gas-index |url-status=live }}</ref><ref>{{Cite web |url=https://www.esrl.noaa.gov/gmd/aggi/ |title=The NOAA Annual Greenhouse Gas Index (AGGI) - An Introduction |publisher=[[NOAA]] Global Monitoring Laboratory/Earth System Research Laboratories |access-date=2 March 2023}}</ref>]]

'''Climate commitment''' describes the fact that Earth's [[climate]] reacts with a delay to influencing factors ("[[climate forcing]]s") such as the presence of [[greenhouse gas]]es. Climate commitment studies attempt to assess the amount of future [[global warming]] that is "committed" under the assumption of some constant level of forcing. The constant level often used for illustrative purposes is that due to [[carbon dioxide|{{CO2}}]] doubling or quadrupling relative to the pre-industrial level; or the present level of forcing.

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