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Clean Air Policies Are Key for Successfully Mitigating Arctic WarmingA tighter integration of modeling frameworks for climate and air quality is urgently needed to assess the impacts of clean air policies on future Arctic and global climate. We combined a new model emulator and comprehensive emissions scenarios for air pollutants and greenhouse gases to assess climate and human health co-benefits of emissions reductions. Fossil fuel use is projected to rapidly decline in an increasingly sustainable world, resulting in far-reaching air quality benefits. Despite human health benefits, reductions in sulfur emissions in a more sustainable world could enhance Arctic warming by 0.8 °C in 2050 relative to the 1995–2014, thereby offsetting climate benefits of greenhouse gas reductions. Targeted and technically feasible emissions reduction opportunities exist for achieving simultaneous climate and human health co-benefits. It would be particularly beneficial to unlock a newly identified mitigation potential for carbon particulate matter, yielding Arctic climate benefits equivalent to those from carbon dioxide reductions by 2050.
Document ID
20220015146
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Knut von Salzen ORCID
(Environment Canada Gatineau, Quebec, Canada)
Cynthia H Whaley ORCID
(Environment Canada Gatineau, Quebec, Canada)
Susan C Anenberg ORCID
(George Washington University Washington D.C., District of Columbia, United States)
Rita Van Dingenen ORCID
(Joint Research Centre Ispra, Italy)
Zbigniew Klimont ORCID
(International Institute for Applied Systems Analysis Laxenburg, Austria)
Mark G Flanner ORCID
(University of Michigan–Ann Arbor Ann Arbor, Michigan, United States)
Rashed Mahmood ORCID
(University of Montreal Montreal, Quebec, Canada)
Stephen R Arnold
(University of Leeds Leeds, United Kingdom)
Stephen Beagley
(Environment Canada Gatineau, Quebec, Canada)
Rong-You Chien
(University of Tennessee at Knoxville Knoxville, Tennessee, United States)
Jesper H Christensen ORCID
(Aarhus University Aarhus, Denmark)
Sabine Eckhardt ORCID
(Norwegian Institute for Air Research Lillestrøm, Norway)
Annica M L Ekman ORCID
(Stockholm University Stockholm, Sweden)
Nikolaos Evangeliou ORCID
(Norwegian Institute for Air Research Lillestrøm, Norway)
Gregory Faluvegi ORCID
(Columbia University New York, New York, United States)
Joshua S Fu ORCID
(University of Tennessee at Knoxville Knoxville, Tennessee, United States)
Michael Gauss
(Norwegian Meteorological Institute Oslo, Norway)
Wanmin Gong
(Environment Canada Gatineau, Quebec, Canada)
Jens L Hjorth
(Aarhus University Aarhus, Denmark)
Ulas Im ORCID
(Aarhus University Aarhus, Denmark)
Srinath Krishnan
(Bolin Centre for Climate Research Stockholm, Sweden)
Kaarle Kupiainen
(Ministry of the Environment Helsinki, Finland)
Thomas Kühn ORCID
(University of Eastern Finland Kuopio, Finland)
Joakim Langner ORCID
(Swedish Meteorological and Hydrological Institute Norrköping, Sweden)
Kathy S Law ORCID
(Atmospheres Laboratory Environments, Observations Spatiales Guyancourt, France)
Louis Marelle
(Atmospheres Laboratory Environments, Observations Spatiales Guyancourt, France)
Dirk Olivié
(Norwegian Meteorological Institute Oslo, Norway)
Tatsuo Onishi
(Atmospheres Laboratory Environments, Observations Spatiales Guyancourt, France)
Naga Oshima ORCID
(Japan Meteorological Agency Tokyo, Japan)
Ville-Veikko Paunu ORCID
(Finnish Environment Institute Helsinki, Finland)
Yiran Peng
(Tsinghua University Beijing, Beijing, China)
David Plummer ORCID
(Environment Canada Gatineau, Quebec, Canada)
Luca Pozzoli ORCID
(Joint Research Centre Ispra, Italy)
Shilpa Rao
(Norwegian Institute of Public Health Oslo, Norway)
Jean-Christophe Raut ORCID
(Atmospheres Laboratory Environments, Observations Spatiales Guyancourt, France)
Maria Sand ORCID
(Center for International Climate and Environmental Research Oslo, Norway)
Julia Schmale ORCID
(École Polytechnique Fédérale de Lausanne Lausanne, Switzerland)
Michael Sigmond
(Environment Canada Gatineau, Quebec, Canada)
Manu A Thomas
(Swedish Meteorological and Hydrological Institute Norrköping, Sweden)
Kostas Tsigaridis ORCID
(Columbia University New York, New York, United States)
Svetlana Tsyro ORCID
(Norwegian Meteorological Institute Oslo, Norway)
Steven T Turnock ORCID
(Met Office Exeter, United Kingdom)
Minqi Wang
(Tsinghua University Beijing, Beijing, China)
Barbara Winter
(Environment Canada Gatineau, Quebec, Canada)
Date Acquired
October 6, 2022
Publication Date
October 2, 2022
Publication Information
Publication: Communications Earth & Environment
Publisher: Nature Research
Volume: 3
Issue Publication Date: October 2, 2022
e-ISSN: 2662-4435
Subject Category
Environment Pollution
Funding Number(s)
CONTRACT_GRANT: 80NSSC20M0282
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.
Technical Review
External Peer Committee
Keywords
Atmospheric chemistry
Climate-change mitigation
Arctic
Clean air
Air quality
Fossil fuel use
Air pollutants
Greenhouse gases
Emissions scenarios