Urban-scale carbon footprint evaluation based on citizen travel demand in Japan

Xi Li, Runsen Zhang, Jundong Chen, Yida Jiang, Qiong Zhang and Yin Long

Applied Energy, 2021, vol. 286, issue C, No S0306261921000295

Abstract: Considering its substantial and increasing contribution to global climate change, the household sector shows potential for larger carbon reductions. Among different household activities, household individual travel demands due to private or public transportation affect the environment via both direct or indirect emissions. To develop insights from a city-level perspective, carbon emissions released due to household travel demands in 47 Japanese cities were estimated in this study using the most recent available data. Given the differences in traveling preferences, spatial distribution and cluster analyses by city were also conducted. The results indicate that cities with a larger carbon footprint usually had a smaller population, whereas in megacities, less carbon per capita was released. The direct combustion of gasoline and train use were the most important factors influencing regional differences in direct and indirect emissions, respectively. The findings also indicate that customized carbon mitigation strategies that consider individual preferences and city size have a better chance of achieving decarbonization of citizen transportation in Japan.

Keywords: Cities; Household travel demand; Carbon footprint; Private transportation; Japan (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (3)

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DOI: 10.1016/j.apenergy.2021.116462

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