Mitigating climate disruption in time: A self-consistent approach for avoiding both near-term and long-term global warming-Reference-Cited by-全球学者库

Mitigating climate disruption in time: A self-consistent approach for avoiding both near-term and long-term global warming

Published:2022-05-23 Issue:22 Volume:119 Page:
ISSN:0027-8424
Container-title:Proceedings of the National Academy of Sciences
language:en
Short-container-title:Proc. Natl. Acad. Sci. U.S.A.

Author:

Dreyfus Gabrielle B.¹²^ORCID,Xu Yangyang³^ORCID,Shindell Drew T.⁴^ORCID,Zaelke Durwood¹⁵^ORCID,Ramanathan Veerabhadran⁶⁷

Affiliation:

1. Institute of Governance & Sustainable Development, Washington, DC 20016

2. Department of Physics, Georgetown University, Washington, DC 20057

3. Department of Atmospheric Sciences, College of Geosciences, Texas A&M University, College Station, TX 77843

4. Earth and Climate Sciences Division, Nicholas School of the Environment, Duke University, Durham, NC 27708

5. Bren School of Environmental Science & Management, University of California, Santa Barbara, CA 93106

6. Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92037

7. College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853

Abstract

Significance This study clarifies the need for comprehensive CO 2 and non-CO 2 mitigation approaches to address both near-term and long-term warming. Non-CO 2 greenhouse gases (GHGs) are responsible for nearly half of all climate forcing from GHG. However, the importance of non-CO 2 pollutants, in particular short-lived climate pollutants, in climate mitigation has been underrepresented. When historical emissions are partitioned into fossil fuel (FF)- and non-FF-related sources, we find that nearly half of the positive forcing from FF and land-use change sources of CO 2 emissions has been masked by coemission of cooling aerosols. Pairing decarbonization with mitigation measures targeting non-CO 2 pollutants is essential for limiting not only the near-term (next 25 y) warming but also the 2100 warming below 2 °C.

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

Link

https://pnas.org/doi/pdf/10.1073/pnas.2123536119

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