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Eco-Efficiency Trends and Decoupling Analysis of Environmental Pressures in Tianjin, China

Author

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  • Zhe Wang

    () (School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
    Department of Environmental Science and Engineering, Binhai College, Nankai University, Tianjin 300270, China)

  • Lin Zhao

    () (School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China)

  • Guozhu Mao

    () (School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China)

  • Ben Wu

    () (Tianjin Academy of Environmental Sciences, Tianjin 300191, China)

Abstract

This study analyzes Tianjin’s eco-efficiency trends during the period 2001–2013 and reasons for their changes, with the aim of contributing to efforts to ensure the city’s sustainable development. While eco-efficiency of all of the indicators that we analyzed showed improvements during the study period, a gap remained in comparison to the more advanced eco-efficiency observed both domestically and internationally. We subsequently introduced decoupling indices to examine the decoupling relationship between environmental pressure and economic growth. This analysis demonstrated that some progress occurred during the study period resulting from the implementation of existing policies and measures entailing resource conservation and reduction in the emission of pollutants. The latter applied, especially, to sulfur dioxide (SO 2 ) and chemical oxygen demand (COD), which both retained strong decoupling states from 2006 to 2013. Other indicators showed an apparent tendency toward decoupling, but most displayed weak decoupling. These findings indicate that further efforts are urgently required to promote strong decoupling. At the end of the twelfth Five-Year Plan period, Tianjin should consider formulating policies from the perspectives of resource consumption and pollutant emissions reduction to promote further sustainable development.

Suggested Citation

  • Zhe Wang & Lin Zhao & Guozhu Mao & Ben Wu, 2015. "Eco-Efficiency Trends and Decoupling Analysis of Environmental Pressures in Tianjin, China," Sustainability, MDPI, Open Access Journal, vol. 7(11), pages 1-16, November.
  • Handle: RePEc:gam:jsusta:v:7:y:2015:i:11:p:15407-15422:d:59126
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    References listed on IDEAS

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    1. de Freitas, Luciano Charlita & Kaneko, Shinji, 2011. "Decomposing the decoupling of CO2 emissions and economic growth in Brazil," Ecological Economics, Elsevier, vol. 70(8), pages 1459-1469, June.
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    Cited by:

    1. repec:spr:nathaz:v:87:y:2017:i:2:d:10.1007_s11069-017-2798-2 is not listed on IDEAS
    2. Yi Li & Yan Luo & Yingzi Wang & Laili Wang & Manhong Shen, 2017. "Decomposing the Decoupling of Water Consumption and Economic Growth in China’s Textile Industry," Sustainability, MDPI, Open Access Journal, vol. 9(3), pages 1-17, March.

    More about this item

    Keywords

    eco-efficiency; decoupling analysis; sustainable development; Tianjin;

    JEL classification:

    • Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics
    • Q0 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General
    • Q2 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation
    • Q3 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Nonrenewable Resources and Conservation
    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products

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