Abating ammonia is more cost-effective than nitrogen oxides for mitigating PM 2.5 air pollution

Author:

Gu Baojing12ORCID,Zhang Lin3ORCID,Van Dingenen Rita4ORCID,Vieno Massimo5ORCID,Van Grinsven Hans JM6,Zhang Xiuming7ORCID,Zhang Shaohui89ORCID,Chen Youfan3,Wang Sitong1,Ren Chenchen10,Rao Shilpa11ORCID,Holland Mike12ORCID,Winiwarter Wilfried913ORCID,Chen Deli7ORCID,Xu Jianming12ORCID,Sutton Mark A.5ORCID

Affiliation:

1. College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.

2. Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China.

3. Laboratory for Climate and Ocean-Atmosphere Studies, Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing 100871, China.

4. European Commission, Joint Research Centre, 21027 Ispra (VA), Italy.

5. UK Centre for Ecology & Hydrology, Edinburgh Research Station, Bush Estate, Penicuik, Midlothian EH26 0QB, UK.

6. PBL Netherlands Environmental Assessment Agency, 2500 GH The Hague, Netherlands.

7. School of Agriculture and Food, The University of Melbourne, Melbourne, Victoria 3010, Australia.

8. School of Economics and Management, Beihang University, 100091 Beijing, China.

9. International Institute for Applied Systems Analysis, A-2361 Laxenburg, Austria.

10. Department of Land Management, Zhejiang University, Hangzhou 310058, China.

11. Norwegian Institute of Public Health, N-0213 Oslo, Norway.

12. Ecometrics Research and Consulting, Reading RG8 7PW, UK.

13. Institute of Environmental Engineering, University of Zielona Góra, PL 65-417 Zielona Góra, Poland.

Abstract

Little things matter Particulate air pollution 2.5 micrometers or smaller in size (PM2.5) is a major cause of human mortality, and controlling its production is a health policy priority. Nitrogen oxides are an important precursor of PM2.5 and have been a focus of pollution control programs. However, Gu et al . now show that abating ammonia emissions is also an important component of PM2.5 reduction, and the societal benefits of abatement greatly outweigh the costs (see the Perspective by Erisman). Reducing ammonia emissions thus would be a cost-effective complement to nitrogen oxides and sulfur dioxide controls. —HJS

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference64 articles.

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