Abstract
It is unidentified whether information communication technology (ICT) agglomeration can contribute to carbon reduction and to what extent it plays a role in energy conservation and emission reduction, and further exploration is urgently needed. Based on the panel data of 108 cities in the Yangtze River Economic Belt from 2008 to 2019, the spatial panel Durbin model and intermediary effect model are employed to explore the effect of ICT agglomeration on carbon emissions and its pathways. It can be indicated from the results as below. (1) The local ICT agglomeration can reduce carbon emissions, but an increase in the level of ICT agglomeration in surrounding cities will increase local carbon emissions. (2) ICT agglomeration can reduce carbon emissions through reducing energy intensity and capital mismatch. (3) The effect of ICT agglomeration on carbon emissions is heterogeneous. ICT agglomeration can suppress carbon emissions in the middle and lower reaches of the Yangtze River, while it will increase carbon emissions in the upper reaches. ICT agglomeration increases carbon emissions in old industrial cities, reduces carbon emissions in non-old industrial cities, and has a more significant emission reduction effect in non-resource-based cities. We suggest promoting the formation of a coordinated linkage mechanism for ICT industry development and carbon emission reduction policies among regions, and implement differentiated ICT development strategies according to different industrial structure types.
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This work was supported by the National Natural Science Foundation of China (Grant No: 42201184) and the Project of Jiangxi Social Science Foundation in 2022 (22YJ30) and China Scholarship Council (202006825025).
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Tianran Guo: conceptualization, methodology, data curation, formal analysis, and writing—original draft. Ling Bai: conceptualization, data curation, writing—review and editing, supervision, and funding acquisition. Huilin Chen: methodology, validation, and visualization. Kang Luo: data curation and formal analysis.
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Guo, T., Bai, L., Chen, H. et al. Effects of ICT agglomeration on carbon emission reduction: New evidence from the Yangtze River Economic Belt. Environ Sci Pollut Res 30, 110869–110887 (2023). https://doi.org/10.1007/s11356-023-30104-8
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DOI: https://doi.org/10.1007/s11356-023-30104-8