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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Subject: Aerosols | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Adams, P. J. and Seinfeld, J. H.: Predicting global aerosol size distributions in general circulation models, J. Geophys. Res.-Atmos., 107, 4370,, 2002.
Akhtar, F. H., Pinder, R. W., Loughlin, D. H., and Henze, D. K.: GLIMPSE: A Rapid Decision Framework for Energy and Environmental Policy, Environ. Sci. Technol., 47, 12011–12019,, 2013.
Anenberg, S. C., Schwartz, J., Shindell, D., Amann, M., Faluvegi, G., Klimont, Z., Janssens-Maenhout, G., Pozzoli, L., Van Dingenen, R., Vignati, E., Emberson, L., Muller, N. Z., West, J. J., Williams, M., Demkine, V., Hicks, W. K., Kuylenstierna, J., Raes, F., and Ramanathan, V.: Global Air Quality and Health Co-benefits of Mitigating Near-Term Climate Change through Methane and Black Carbon Emission Controls, Environ. Health Perspect., 120, 831–839,, 2012.
Bauer, S. E. and Koch, D.: Impact of heterogeneous sulfate formation at mineral dust surfaces on aerosol loads and radiative forcing in the Goddard Institute for Space Studies general circulation model, J. Geophys. Res.-Atmos., 110, D17202,, 2005.
Bell, M. L., Dominici, F., and Samet, J. M.: A Meta-Analysis of Time-Series Studies of Ozone and Mortality With Comparison to the National Morbidity, Mortality, and Air Pollution Study, Epidemiol. Camb. Mass, 16, 436–445, 2005.
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.
Final-revised paper