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Urban Metabolism in China Achieving Dematerialization and Decarbonization in Suzhou

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  • Sai Liang
  • Tianzhu Zhang

Abstract

Urban metabolism is a critical component of urban sustainability. On the basis of the driving force−pressure−state−response (DPSR) model and using material flow analysis, this article proposes a framework for sustainable urban management and policy assessment. A case study city in China, Suzhou, illustrates this framework. The results show that resource consumption (excluding water), water consumption, and waste generation (excluding carbon dioxide) in Suzhou after implementation of proposed policies will be 14% lower than 2005 levels, 4.5% higher, and 28.9% higher, respectively, in 2015. Carbon dioxide (CO2) emissions in Suzhou will increase by 71.0% in 2015 over 2005 levels, whereas carbon intensity (CO2 emissions per unit of gross domestic product) will decrease by 44.9%. Future pollution control in Suzhou should pay more attention to pollution from vehicles. In addition, goals for relative dematerialization of energy and decarbonization in Suzhou will be achieved before absolute ones are. In the short term, the urban metabolism of Suzhou in 2015 may meet corresponding urban objectives. In the longer term, however, reducing the city's resource demand and waste generation will pose challenges for the sustainability of Suzhou.

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  • Sai Liang & Tianzhu Zhang, 2011. "Urban Metabolism in China Achieving Dematerialization and Decarbonization in Suzhou," Journal of Industrial Ecology, Yale University, vol. 15(3), pages 420-434, June.
    • Handle: RePEc:bla:inecol:v:15:y:2011:i:3:p:420-434
    DOI: 10.1111/j.1530-9290.2011.00343.x
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    Cited by:

    1. Chang Liu & Xueyi Shi & Lulu Qu & Bingyi Li, 2016. "Comparative Analysis for the Urban Metabolic Differences of Two Types of Cities in the Resource-Dependent Region Based on Emergy Theory," Sustainability, MDPI, vol. 8(7), pages 1-11, July.
    2. Hao Li & Yuhuan Zhao & Jiang Lin, 2020. "A review of the energy–carbon–water nexus: Concepts, research focuses, mechanisms, and methodologies," Wiley Interdisciplinary Reviews: Energy and Environment, Wiley Blackwell, vol. 9(1), January.
    3. Fei Wang & Ning Gu, 2021. "Impact of ecological security on urban sustainability in Western China—A case study of Xi’an," Environment and Planning B, , vol. 48(5), pages 1314-1339, June.
    4. Joanna Williams, 2019. "Circular cities," Urban Studies, Urban Studies Journal Limited, vol. 56(13), pages 2746-2762, October.
    5. Liang, Sai & Zhang, Tianzhu & Wang, Yafei & Jia, Xiaoping, 2012. "Sustainable urban materials management for air pollutants mitigation based on urban physical input–output model," Energy, Elsevier, vol. 42(1), pages 387-392.
    6. Yanxian Li & Jiawen Wang & Dan Xian & Yan Zhang & Xiangyi Yu, 2021. "Regional consumption, material flows, and their driving forces: A case study of China's Beijing–Tianjin–Hebei (Jing–Jin–Ji) urban agglomeration," Journal of Industrial Ecology, Yale University, vol. 25(3), pages 751-764, June.
    7. Liang, Sai & Zhang, Tianzhu, 2011. "What is driving CO2 emissions in a typical manufacturing center of South China? The case of Jiangsu Province," Energy Policy, Elsevier, vol. 39(11), pages 7078-7083.
    8. Qu, Lili & Zhang, Tianzhu & Liang, Sai, 2013. "Waste management of urban agglomeration on a life cycle basis," Resources, Conservation & Recycling, Elsevier, vol. 78(C), pages 47-53.
    9. Li, Ying & Beeton, R.J.S. & Halog, Anthony & Sigler, Thomas, 2016. "Evaluating urban sustainability potential based on material flow analysis of inputs and outputs: A case study in Jinchang City, China," Resources, Conservation & Recycling, Elsevier, vol. 110(C), pages 87-98.
    10. Lulu Qu & Xueyi Shi & Chang Liu & Ye Yuan, 2017. "An Emergy-Based Hybrid Method for Assessing Sustainability of the Resource-Dependent Region," Sustainability, MDPI, vol. 9(1), pages 1-13, January.
    11. Weixing Lin & Changqiao Hong & Yinkang Zhou, 2020. "Multi-Scale Evaluation of Suzhou City’s Sustainable Development Level Based on the Sustainable Development Goals Framework," Sustainability, MDPI, vol. 12(3), pages 1-28, January.
    12. Liu, Ningyin & Zhang, Yan & Fath, Brian D., 2021. "The material metabolism characteristics and growth patterns of the central cities of China's Beijing-Tianjin-Hebei region," Ecological Modelling, Elsevier, vol. 448(C).
    13. Feiyu Hou & Dunhu Chang & Qinxia Wang, 2022. "Assessment of the Sustainability of the Resource-Based Province Shanxi, China Using Emergy Analysis," Sustainability, MDPI, vol. 14(23), pages 1-26, November.
    14. Liu, Zhu & Liang, Sai & Geng, Yong & Xue, Bing & Xi, Fengming & Pan, Ying & Zhang, Tianzhu & Fujita, Tsuyoshi, 2012. "Features, trajectories and driving forces for energy-related GHG emissions from Chinese mega cites: The case of Beijing, Tianjin, Shanghai and Chongqing," Energy, Elsevier, vol. 37(1), pages 245-254.

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