Air quality co-benefits of carbon pricing in China

Mingwei Li, Da Zhang, Chiao-Ting Li, Kathleen M. Mulvaney, Noelle E. Selin and Valerie J. Karplus ()
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Mingwei Li: Massachusetts Institute of Technology
Da Zhang: Massachusetts Institute of Technology
Chiao-Ting Li: Massachusetts Institute of Technology
Kathleen M. Mulvaney: Massachusetts Institute of Technology
Noelle E. Selin: Massachusetts Institute of Technology
Valerie J. Karplus: Massachusetts Institute of Technology

Nature Climate Change, 2018, vol. 8, issue 5, 398-403

Abstract: Abstract Climate policies targeting energy-related CO2 emissions, which act on a global scale over long time horizons, can result in localized, near-term reductions in both air pollution and adverse human health impacts. Focusing on China, the largest energy-using and CO2-emitting nation, we develop a cross-scale modelling approach to quantify these air quality co-benefits, and compare them to the economic costs of climate policy. We simulate the effects of an illustrative climate policy, a price on CO2 emissions. In a policy scenario consistent with China’s recent pledge to reach a peak in CO2 emissions by 2030, we project that national health co-benefits from improved air quality would partially or fully offset policy costs depending on chosen health valuation. Net health co-benefits are found to rise with increasing policy stringency.

Date: 2018
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DOI: 10.1038/s41558-018-0139-4

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