Potential impact of a US climate policy and air quality regulations on  future air quality and climate change

Lee, Yunha; Shindell, Drew T.; Faluvegi, Greg; Pinder, Rob W.

doi:https://doi.org/10.5194/acp-16-5323-2016

Articles | Volume 16, issue 8

https://doi.org/10.5194/acp-16-5323-2016

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

https://doi.org/10.5194/acp-16-5323-2016

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

Articles | Volume 16, issue 8

Research article

|

28 Apr 2016

Research article |

| 28 Apr 2016

Potential impact of a US climate policy and air quality regulations on future air quality and climate change

Yunha Lee, Drew T. Shindell, Greg Faluvegi, and Rob W. Pinder

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Final revised paper (published on 28 Apr 2016)
Supplement to the final revised paper
Preprint (discussion started on 09 Nov 2015)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC C10325: '“Potential impacts of a US climate policy and air quality regulations on future air quality and climate change.”', Anonymous Referee #1, 10 Dec 2015
- AC C13098: 'response to referee 1', Yunha Lee, 09 Mar 2016
RC C10621: 'Review', Anonymous Referee #2, 18 Dec 2015
- AC C13099: 'response to referee 2', Yunha Lee, 09 Mar 2016
RC C10750: 'Review of "Potential impact of a US climate policy and air quality regulations on future air quality and climate change"', Anonymous Referee #3, 22 Dec 2015
- AC C13100: 'response to referee 3', Yunha Lee, 09 Mar 2016

Peer-review completion

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

AR by Yunha Lee on behalf of the Authors (09 Mar 2016) Author's response Manuscript

ED: Publish subject to technical corrections (29 Mar 2016) by Ilona Riipinen

AR by Yunha Lee on behalf of the Authors (09 Apr 2016) Author's response Manuscript

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Short summary

We studied the impact of US air quality (AQ) regulations and hypothetical CO₂ reduction policy on public health and climate change. We find that AQ regulations are projected to have strong health benefits in the near future but result in a positive radiative forcing (RF), ~ 0.8 W m⁻², over the USA. Under the US CO₂ policy we find air quality co-benefits. However, despite CO₂ reductions, it leads to overall positive RF (+0.22 W m⁻² in 2055) over the USA mainly by lowering SO₂ via less coal usage.