Environmental Science & Technology inform a more coherent urbanization, economic and environ- mental policy system that reﬂects the true dynamics of cities. ’ ASSOCIATED CONTENT bS Supporting Information. Additional information as noted in the text. This material is available free of charge via the Internet at http://pubs.acs.org. ’ AUTHOR INFORMATION Corresponding Author *Phone: 61-2-61257825; fax: 61-2-61250746; e-mail: xuemei.bai@ anu.edu.au. ’ ACKNOWLEDGMENT We thank Zinai Li and Christophe Hurlin for technical advice on econometric analysis; Chunyang He for assistance in collecting data; Thomas Graedel, Karen Seto, Tim Baynes, Matt Beaty, David Fisk, Canfei He, Peter Kanowsky, Marcus Lane, Jinshe Liang, Brian Walker, Jingzhe Zheng for helpful comments and suggestions on an earlier version; and three anonymous reviewers for their insightful comments. This research is partly funded by “Urbanization and Environmental Change in Asia” project within CSIRO Climate Adaptation Flagship, Australia, and “Large Scale Risk Governance” cosup- ported by the National Natural Science Foundation of China (NSFC) (Project No.: 40821140354) and IHDP-IRG Core Science Project (case studies). ’ REFERENCES (1) Becker, C. M., Urbanization and rural-urban migration. In International Handbook of Development Economics; Dutt, A., Ros, J., Eds.; Edward Elgar Publishing: Northampton, MA, 2008. (2) Bai, X. M., Urban transition in China: Trends, consequences and policy implications. In The New Global Frontier: Urbanization, Poverty and Environment in the 21st Century; Martin, G., G. M., Montgomery, M., R. Fernandez-Castilla, Ed.; EarthScan: London, 2008; pp 339 356. (3) Scott, A. J.; Storper, M. Regions, globalization, development. Reg. Stud. 2007, 41 (1), S191–S205. 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