Exploring the consumption-based carbon emissions of industrial cities in China: a case study of Tianjin
2021
Zhang, Yang | Bai, Hongtao | Hou, Huimin | Zhang, Yi | Xu, He | Ji, Yijun | He, Gang | Zhang, Yingxuan
Cities are usually the final destination for consumable goods and services produced along supply chains and the most appropriate scale to implement policy. Consumption-based policies could complement current carbon emissions mitigation actions, but such studies at the city level are relatively rare. We used a demand-driven input-output model to explore a historical time series (1987–2012) of consumption-based emissions in Tianjin for the first time, a typical industrial city which has the largest carbon footprint in China. The results reveal the differences between consumption- and production-based emissions, and Tianjin has transformed from a producer city into a typical consumer city since 2000s, mainly due to infrastructure construction. There is more capital investment in industrial infrastructures than in real estate in Tianjin, causing the largest carbon footprint. The trade deficit and different carbon intensity have substantial influences on consumption-based emissions. Finally, population, income, and urbanization could enable a more accurate interpretation of urban carbon footprint growth. Demand-driven policy implications for addressing these emissions in booming industrial cities are discussed and provide a new perspective on carbon emissions mitigation. Our results offer valuable lessons on industrial cities’ strategies and initiatives for climate change mitigation worldwide, particularly in developing countries.
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