Simultaneously Mitigating Near-Term Climate Change and Improving Human Health and Food Security

Author:

Shindell Drew1,Kuylenstierna Johan C. I.2,Vignati Elisabetta3,van Dingenen Rita3,Amann Markus4,Klimont Zbigniew4,Anenberg Susan C.5,Muller Nicholas6,Janssens-Maenhout Greet3,Raes Frank3,Schwartz Joel7,Faluvegi Greg1,Pozzoli Luca3,Kupiainen Kaarle4,Höglund-Isaksson Lena4,Emberson Lisa2,Streets David8,Ramanathan V.9,Hicks Kevin2,Oanh N. T. Kim10,Milly George1,Williams Martin11,Demkine Volodymyr12,Fowler David13

Affiliation:

1. NASA Goddard Institute for Space Studies and Columbia Earth Institute, Columbia University, New York, NY 10025, USA.

2. Stockholm Environment Institute, Environment Department, University of York, York YO10 5DD, UK.

3. Joint Research Centre of the European Commission, Ispra 21027, Italy.

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

5. U.S. Environmental Protection Agency, Washington, DC 20460, USA.

6. Department of Economics, Middlebury College, Middlebury, VT 05753, USA.

7. Department of Environmental Health, Harvard School of Public Health, Boston, MA 02215, USA.

8. Argonne National Laboratory, Argonne, IL 60439, USA.

9. Scripps Institute of Oceanography, University of California, San Diego, San Diego, CA 92093, USA.

10. Asian Institute of Technology, Bangkok 10400, Thailand.

11. Environmental Research Group, King’s College London, London SE1 9NH, UK.

12. United Nations Environment Programme (UNEP), Nairobi 00100, Kenya.

13. Center for Ecology and Hydrology, Midlothian EH26 0QB, UK.

Abstract

Why Wait? Tropospheric ozone can be dangerous to human health, can be harmful to vegetation, and is a major contributor to climate warming. Black carbon also has significant negative effects on health and air quality and causes warming of the atmosphere. Shindell et al. (p. 183 ) present results of an analysis of emissions, atmospheric processes, and impacts for each of these pollutants. Seven measures were identified that, if rapidly implemented, would significantly reduce global warming over the next 50 years, with the potential to prevent millions of deaths worldwide from outdoor air pollution. Furthermore, some crop yields could be improved by decreasing agricultural damage. Most of the measures thus appear to have economic benefits well above the cost of their implementation.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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