City-level climate change mitigation in China

15360 11 84583 2 237659 document 84583 eaaq0390.full.pdf application/pdf c2a410d565fe2feb45c21f2b4d03b6f8 MD5 1711809 2018-07-04 06:07:13 https://pure.iiasa.ac.at/id/eprint/15360/1/eaaq0390.full.pdf 15360 1 1 application/pdf text en public cc_by_4

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/84583 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/84583 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/84583 archive 353 disk0/00/01/53/60 2018-07-04 06:09:14 2021-08-27 17:30:32 2018-07-04 06:09:14 article show Shan Y. Guan D. Hubacek K. 7747 Zheng B. Davis S.J. Jia L. Liu J. Liu Z. Fromer N. Mi Z. Meng J. Deng X. Li Y. Lin J. Schroeder H. Weisz H. Schellnhuber H.J. City-level climate change mitigation in China pub prog_wat As national efforts to reduce CO2 emissions intensify, policy-makers need increasingly specific, subnational information about the sources of CO2 and the potential reductions and economic implications of different possible policies. This is particularly true in China, a large and economically diverse country that has rapidly industrialized and urbanized and that has pledged under the Paris Agreement that its emissions will peak by 2030. We present new, city-level estimates of CO2 emissions for 182 Chinese cities, decomposed into 17 different fossil fuels, 46 socioeconomic sectors, and 7 industrial processes. We find that more affluent cities have systematically lower emissions per unit of gross domestic product (GDP), supported by imports from less affluent, industrial cities located nearby. In turn, clusters of industrial cities are supported by nearby centers of coal or oil extraction. Whereas policies directly targeting manufacturing and electric power infrastructure would drastically undermine the GDP of industrial cities, consumption-based policies might allow emission reductions to be subsidized by those with greater ability to pay. In particular, sector-based analysis of each city suggests that technological improvements could be a practical and effective means of reducing emissions while maintaining growth and the current economic structure and energy system. We explore city-level emission reductions under three scenarios of technological progress to show that substantial reductions (up to 31%) are possible by updating a disproportionately small fraction of existing infrastructure. 2018-06-27 published American Association for the Advancement of Science 10.1126/sciadv.aaq0390 1331 public Science Advances 4 6 eaaq0390 TRUE 2375-2548 FALSE no info:eu-repo/semantics/article