Co-benefits of global and regional greenhouse gas mitigation for US air quality in 2050

Zhang, Yuqiang; Bowden, Jared H.; Adelman, Zachariah; Naik, Vaishali; Horowitz, Larry W.; Smith, Steven J.; West, J. Jason

doi:https://doi.org/10.5194/acp-16-9533-2016

Articles | Volume 16, issue 15

https://doi.org/10.5194/acp-16-9533-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-9533-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 15

Research article

|

01 Aug 2016

Research article |

| 01 Aug 2016

Co-benefits of global and regional greenhouse gas mitigation for US air quality in 2050

Yuqiang Zhang, Jared H. Bowden, Zachariah Adelman, Vaishali Naik, Larry W. Horowitz, Steven J. Smith, and J. Jason West

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Final revised paper (published on 01 Aug 2016)
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Preprint (discussion started on 21 Jan 2016)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Please see the attached comments', Yang Gao, 19 Feb 2016
- AC1: 'Response to Referee #1', Jason West, 13 Jun 2016
RC2: 'RC#2', Anonymous Referee #2, 26 Apr 2016
- AC2: 'Response to Referee #2', Jason West, 13 Jun 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Jason West on behalf of the Authors (13 Jun 2016) Author's response Manuscript

ED: Referee Nomination & Report Request started (19 Jun 2016) by Qiang Zhang

RR by Anonymous Referee #1 (01 Jul 2016)

ED: Publish as is (02 Jul 2016) by Qiang Zhang

AR by Jason West on behalf of the Authors (12 Jul 2016)

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Short summary

Reducing greenhouse gas (GHG) emissions can also improve air quality. We estimate the co-benefits of global GHG mitigation for US air quality in 2050 at fine resolution by downscaling from a previous global study. Foreign GHG mitigation under RCP4.5 contributes more to the US O₃ reduction (76 % of the total) than domestic mitigation and contributes 26 % of the PM2.5 reduction. Therefore, the US gains significantly greater air quality co-benefits by coordinating GHG controls internationally.