Role of export industries on ozone pollution and its precursors in China

Nature Communications - Tập 11 Số 1
Jiamin Ou1, Zhijiong Huang2, Zbigniew Klimont3, Guanglin Jia4, Shaohui Zhang3, Cheng Li5, Jing Meng6, Zhifu Mi6, Heran Zheng7, Yuli Shan8, Peter K.K. Louie9, Junyu Zheng2, Dabo Guan6
1Department of Sociology, Utrecht University, Utrecht, 3584 CH, the Netherlands
2Institute for Environmental and Climate Research, Jinan University, Guangzhou, China
3International Institute for Applied Systems Analysis, Schlossplatz 1, A-2361, Laxenburg, Austria
4School of Environment and Energy, South China University of Technology, University Town, Guangzhou, China
5Research Center for Eco-Envivronmental Engineering, Dongguan University of Technology, Dongguan, China
6The Bartlett School of Construction and Project Management, University College London, London, WC1E 7HB, UK
7Industrial Ecology Programme, Norwegian University of Science and Technology, Trondheim, Norway
8Integrated Research on Energy, Environment and Society (IREES), Energy and Sustainability Research Institute Groningen, University of Groningen, Groningen 9747 AG, the Netherlands
9Hong Kong Environmental Protection Department, 5 Gloucester Road, Hong Kong, China

Tóm tắt

AbstractThis study seeks to estimate how global supply chain relocates emissions of tropospheric ozone precursors and its impacts in shaping ozone formation. Here we show that goods produced in China for foreign markets lead to an increase of domestic non-methane volatile organic compounds (NMVOCs) emissions by 3.5 million tons in 2013; about 13% of the national total or, equivalent to half of emissions from European Union. Production for export increases concentration of NMVOCs (including some carcinogenic species) and peak ozone levels by 20–30% and 6–15% respectively, in the coastal areas. It contributes to an estimated 16,889 (3,839–30,663, 95% CI) premature deaths annually combining the effects of NMVOCs and ozone, but could be reduced by nearly 40% by closing the technology gap between China and EU. Export demand also alters the emission ratios between NMVOCs and nitrogen oxides and hence the ozone chemistry in the east and south coast.

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Nature Communications

Tập 11 Số 1

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