Climate Benefits from Methane Mitigation

Methane is a greenhouse gas with a lifespan of about a decade, and its presence in the atmosphere affects the Earth’s temperature and the climate system. Methane is included in short-lived climate forcers (SLCFs) or near-term climate forcers (NTCFs), whose atmospheric composition changes have a near...

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Main Authors: Sofia Eirini Paschou, Alkiviadis Kalisoras, Prodromos Zanis
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Environmental Sciences Proceedings
Subjects:
Online Access:https://www.mdpi.com/2673-4931/26/1/113
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author Sofia Eirini Paschou
Alkiviadis Kalisoras
Prodromos Zanis
author_facet Sofia Eirini Paschou
Alkiviadis Kalisoras
Prodromos Zanis
author_sort Sofia Eirini Paschou
collection DOAJ
description Methane is a greenhouse gas with a lifespan of about a decade, and its presence in the atmosphere affects the Earth’s temperature and the climate system. Methane is included in short-lived climate forcers (SLCFs) or near-term climate forcers (NTCFs), whose atmospheric composition changes have a near-term effect on climate, predominantly in the first two decades after their emission or formation. In this study, the climate benefits of methane mitigation on global air temperature distribution are examined for the near future (2031–2050). The analysis is based on model simulations conducted by the Earth System Model GFDL-ESM4 for the future scenario SSP3-7.0 with additional air quality mitigation measures either in non-methane NTCFs (aerosol and ozone precursors) or in all NTCFs (including methane). It is shown that additional methane mitigation would potentially further contribute to offsetting the warming from reduced aerosols associated mainly with SO<sub>2</sub> reductions that would accompany decarbonization.
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spelling doaj.art-2c8969bb5cd84fbfbbb95cb214b5ea8b2024-03-27T13:37:20ZengMDPI AGEnvironmental Sciences Proceedings2673-49312023-08-0126111310.3390/environsciproc2023026113Climate Benefits from Methane MitigationSofia Eirini Paschou0Alkiviadis Kalisoras1Prodromos Zanis2Department of Meteorology and Climatology, Aristotle University of Thessaloniki, 54636 Thessaloniki, GreeceDepartment of Meteorology and Climatology, Aristotle University of Thessaloniki, 54636 Thessaloniki, GreeceDepartment of Meteorology and Climatology, Aristotle University of Thessaloniki, 54636 Thessaloniki, GreeceMethane is a greenhouse gas with a lifespan of about a decade, and its presence in the atmosphere affects the Earth’s temperature and the climate system. Methane is included in short-lived climate forcers (SLCFs) or near-term climate forcers (NTCFs), whose atmospheric composition changes have a near-term effect on climate, predominantly in the first two decades after their emission or formation. In this study, the climate benefits of methane mitigation on global air temperature distribution are examined for the near future (2031–2050). The analysis is based on model simulations conducted by the Earth System Model GFDL-ESM4 for the future scenario SSP3-7.0 with additional air quality mitigation measures either in non-methane NTCFs (aerosol and ozone precursors) or in all NTCFs (including methane). It is shown that additional methane mitigation would potentially further contribute to offsetting the warming from reduced aerosols associated mainly with SO<sub>2</sub> reductions that would accompany decarbonization.https://www.mdpi.com/2673-4931/26/1/113methanemethane mitigationtemperatureclimate benefitsemission scenariosSSPs
spellingShingle Sofia Eirini Paschou
Alkiviadis Kalisoras
Prodromos Zanis
Climate Benefits from Methane Mitigation
Environmental Sciences Proceedings
methane
methane mitigation
temperature
climate benefits
emission scenarios
SSPs
title Climate Benefits from Methane Mitigation
title_full Climate Benefits from Methane Mitigation
title_fullStr Climate Benefits from Methane Mitigation
title_full_unstemmed Climate Benefits from Methane Mitigation
title_short Climate Benefits from Methane Mitigation
title_sort climate benefits from methane mitigation
topic methane
methane mitigation
temperature
climate benefits
emission scenarios
SSPs
url https://www.mdpi.com/2673-4931/26/1/113
work_keys_str_mv AT sofiaeirinipaschou climatebenefitsfrommethanemitigation
AT alkiviadiskalisoras climatebenefitsfrommethanemitigation
AT prodromoszanis climatebenefitsfrommethanemitigation