{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T03:20:28Z","timestamp":1768015228311,"version":"3.49.0"},"reference-count":74,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,2,27]],"date-time":"2025-02-27T00:00:00Z","timestamp":1740614400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"General Project of the Zhejiang Provincial Department of Education","award":["Y202455926"],"award-info":[{"award-number":["Y202455926"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Systems"],"abstract":"<jats:p>With the rapid development of China\u2019s economy, the issue of environmental pollution during urbanization has become increasingly prominent, posing a significant threat to residents\u2019 health and quality of life. While existing studies have explored the economic impacts of smart city initiatives and their effects on carbon emissions, the relationship between smart city policies and urban pollution emissions remains underexplored. This study fills this gap by examining the impact of smart city pilot policies on urban pollutant emissions, using panel data from 280 Chinese cities (2007\u20132021) and a multi-period DID model. The findings demonstrate that smart city construction effectively reduces the level of pollutant emissions in cities, with this effect persisting even after conducting various robustness tests. Furthermore, our mechanism analysis reveals that upgrading industrial structure, enhancing green innovation capabilities, and improving energy efficiency are crucial means by which smart city construction mitigates urban pollution emissions. Additionally, we identify that the enhancement of urban digital infrastructure and the reinforcement of environmental regulations can enhance the pollution mitigation efficacy of smart city development. The suppressive impact of smart city construction on pollution emissions is more pronounced in non-resource-based cities.<\/jats:p>","DOI":"10.3390\/systems13030165","type":"journal-article","created":{"date-parts":[[2025,2,27]],"date-time":"2025-02-27T05:13:58Z","timestamp":1740633238000},"page":"165","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Greening the Urban Landscape: Smart City Initiatives and Pollution Reduction in China"],"prefix":"10.3390","volume":"13","author":[{"given":"Quanhui","family":"Liu","sequence":"first","affiliation":[{"name":"Henley Business School, University of Reading, Reading RG6 6UD, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-3467-6427","authenticated-orcid":false,"given":"Paijie","family":"Wan","sequence":"additional","affiliation":[{"name":"School of Economics & Management, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing 100083, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,2,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"343","DOI":"10.1038\/nclimate2160","article-title":"Low-carbon infrastructure strategies for cities","volume":"4","author":"Kennedy","year":"2014","journal-title":"Nat. Clim. Change"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"697","DOI":"10.1016\/j.scs.2018.01.053","article-title":"Towards sustainable smart cities: A review of trends, architectures, components, and open challenges in smart cities","volume":"38","author":"Silva","year":"2018","journal-title":"Sustain. Cities Soc."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"137986","DOI":"10.1016\/j.jclepro.2023.137986","article-title":"Are smart cities more sustainable? An exploratory study of 103 U.S. cities","volume":"416","author":"Cai","year":"2023","journal-title":"J. Clean. Prod."},{"key":"ref_4","doi-asserted-by":"crossref","unstructured":"Guo, Y., Tang, Z., and Guo, J. (2020). Could a Smart City Ameliorate Urban Traffic Congestion? A Quasi-Natural Experiment Based on a Smart City Pilot Program in China. 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Policy"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"122643","DOI":"10.1016\/j.techfore.2023.122643","article-title":"Urban governance and sustainable development: The effect of smart city on carbon emission in China","volume":"193","author":"Shu","year":"2023","journal-title":"Technol. Forecast. Soc. Change"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"118879","DOI":"10.1016\/j.apenergy.2022.118879","article-title":"Effects of smart city construction on energy saving and CO2 emission reduction: Evidence from China","volume":"313","author":"Guo","year":"2022","journal-title":"Appl. Energy"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"104478","DOI":"10.1016\/j.scs.2023.104478","article-title":"Can smart city construction improve carbon productivity?\u2014A quasi-natural experiment based on China\u2019s smart city pilot","volume":"92","author":"Song","year":"2023","journal-title":"Sustain. Cities Soc."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"403","DOI":"10.1007\/s10098-024-02865-4","article-title":"The impacts of smart city construction on carbon total factor productivity: Empirical evidence from China","volume":"27","author":"Wu","year":"2024","journal-title":"Clean Technol. Environ. Policy"},{"key":"ref_12","doi-asserted-by":"crossref","unstructured":"Xia, X., Yu, R., and Zhang, S. (2023). Evaluating the Impact of Smart City Policy on Carbon Emission Efficiency. Land, 12.","DOI":"10.3390\/land12071292"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"125652","DOI":"10.1016\/j.energy.2022.125652","article-title":"Mitigating nitrogen dioxide air pollution: The roles and effect of national smart city pilots in China","volume":"263","author":"Chen","year":"2023","journal-title":"Energy"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"104082","DOI":"10.1016\/j.scs.2022.104082","article-title":"Do smart cities have lower particulate matter 2.5 (PM2.5)? Evidence from China","volume":"86","author":"Cui","year":"2022","journal-title":"Sustain. Cities Soc."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"2083","DOI":"10.15244\/pjoes\/143775","article-title":"The Effect of Smart City Policy on Urban Haze Pollution in China: Empirical Evidence from a Quasi-Natural Experiment","volume":"31","author":"Feng","year":"2022","journal-title":"Pol. J. Environ. Stud."},{"key":"ref_16","doi-asserted-by":"crossref","unstructured":"Zhao, Y.B., Chen, R.Y., Sun, T., Yang, Y., Ma, S.F., Xie, D.X., Zhang, X.W., and Cai, Y.N. (2022). Urbanization Influences CO2 Emissions in the Pearl River Delta: A Perspective of the \u201cSpace of Flows\u201d. Land, 11.","DOI":"10.3390\/land11081373"},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"97","DOI":"10.1016\/j.econmod.2014.10.022","article-title":"CO2 emissions, economic growth, energy consumption, trade and urbanization in new EU member and candidate countries: A panel data analysis","volume":"44","author":"Kasman","year":"2015","journal-title":"Econ. Model."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1007\/s10640-007-9096-5","article-title":"The impact of population on CO2 emissions: Evidence from European countries","volume":"38","year":"2007","journal-title":"Environ. Resour. Econ."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"18186","DOI":"10.1007\/s10668-021-01433-w","article-title":"Econometric analysis of the impact of the urban population size on carbon dioxide (CO2) emissions in China","volume":"23","author":"Liu","year":"2021","journal-title":"Environ. Dev. Sustain."},{"key":"ref_20","doi-asserted-by":"crossref","unstructured":"Ji, M., Jin, M., Chen, L., Liu, Y., and Tian, Y. (2024). Promoting Urban Innovation through Smart Cities: Evidence from a Quasi-Natural Experiment in China. Land, 13.","DOI":"10.3390\/land13030319"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"617","DOI":"10.1057\/s41599-023-02131-w","article-title":"How does digital transformation relieve the employment pressure in China? Empirical evidence from the national smart city pilot policy","volume":"10","author":"Ling","year":"2023","journal-title":"Humanit. Soc. Sci. Commun."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"123264","DOI":"10.1016\/j.techfore.2024.123264","article-title":"Can smart cities reduce labor misallocation? Evidence from China","volume":"201","author":"Chen","year":"2024","journal-title":"Technol. Forecast. Soc. Change"},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"752","DOI":"10.1080\/15309576.2023.2166087","article-title":"Does the Smart City Improve Public Service Delivery? A Quasi-Natural Experiment Based on a Smart City Pilot Program in China","volume":"46","author":"Cai","year":"2023","journal-title":"Public Perform. Manag. Rev."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"133877","DOI":"10.1016\/j.jclepro.2022.133877","article-title":"Smart cities and urban household carbon emissions: A perspective on smart city development policy in China","volume":"373","author":"Wu","year":"2022","journal-title":"J. Clean. Prod."},{"key":"ref_25","doi-asserted-by":"crossref","unstructured":"Qian, L., Xu, X., Zhou, Y., Sun, Y., and Ma, D. (2023). Carbon Emission Reduction Effects of the Smart City Pilot Policy in China. Sustainability, 15.","DOI":"10.3390\/su15065085"},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"100367","DOI":"10.1016\/j.jik.2023.100367","article-title":"Does smart city pilot policy reduce CO2 emissions from industrial firms? Insights from China","volume":"8","author":"Xu","year":"2023","journal-title":"J. Innov. Knowl."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"101946","DOI":"10.1016\/j.uclim.2024.101946","article-title":"How does digital economy empower pollution mitigation and carbon reduction? Evidence from Chinese cities","volume":"55","author":"Zhao","year":"2024","journal-title":"Urban Clim."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"119050","DOI":"10.1016\/j.envres.2024.119050","article-title":"Path to pollution and carbon reduction synergy from the perspective of the digital economy: Fresh evidence from 292 prefecture-level cities in China","volume":"252","author":"Liang","year":"2024","journal-title":"Environ. Res."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"42923","DOI":"10.1007\/s11356-021-18465-4","article-title":"The impact of digital finance on pollutants emission: Evidence from chinese cities","volume":"30","author":"Wan","year":"2023","journal-title":"Environ. Sci. Pollut. Res."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"25801","DOI":"10.1007\/s11356-020-09027-1","article-title":"Impact of internet electronic commerce on SO2 pollution: Evidence from China","volume":"27","author":"Chen","year":"2020","journal-title":"Environ. Sci. Pollut. Res."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"122781","DOI":"10.1016\/j.techfore.2023.122781","article-title":"Identifying patterns in smart initiatives\u2019 planning in smart cities. An empirical analysis in Spanish smart cities","volume":"196","year":"2023","journal-title":"Technol. Forecast. Soc. Change"},{"key":"ref_32","first-page":"5","article-title":"Towards an urban planners\u2019 perspective on Smart City","volume":"6","author":"Papa","year":"2013","journal-title":"TeMA-J. Land Use Mobil. Environ."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1016\/j.techfore.2018.07.060","article-title":"To the smart city and beyond? Developing a typology of smart urban innovation","volume":"142","author":"Nilssen","year":"2019","journal-title":"Technol. Forecast. Soc. Change"},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1080\/13511610.2012.660330","article-title":"Smart cities in perspective\u2014A comparative European study by means of self-organizing maps","volume":"25","author":"Kourtit","year":"2012","journal-title":"Innov. Eur. J. Soc. Sci. Res."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1080\/10630732.2011.601117","article-title":"Smart Cities in Europe","volume":"18","author":"Caragliu","year":"2011","journal-title":"J. Urban Technol."},{"key":"ref_36","first-page":"1","article-title":"Helping CIOs understand \u201csmart city\u201d initiatives","volume":"17","author":"Washburn","year":"2009","journal-title":"Growth"},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"72","DOI":"10.1080\/09640568.2018.1436532","article-title":"A new role for citizens\u2019 initiatives: The difficulties in co-creating institutional change in urban planning","volume":"62","author":"Bisschops","year":"2019","journal-title":"J. Environ. Plan. Manag."},{"key":"ref_38","unstructured":"Breuer, J., Walravens, N., and Ballon, P. (2014). Beyond defining the smart city. Meeting top-down and bottom-up approaches in the middle. TeMA-J. Land Use Mobil. Environ., 153\u2013164."},{"key":"ref_39","doi-asserted-by":"crossref","unstructured":"Hollands, R.G. (2020). Will the Real Smart City Please Stand Up?: Intelligent, Progressive or Entrepreneurial?. The Routledge Companion to Smart Cities, Routledge.","DOI":"10.4324\/9781315178387-13"},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1080\/12265934.2022.2063158","article-title":"Dynamics in the governance of smart cities: Insights from South Korean smart cities","volume":"27","author":"Lim","year":"2023","journal-title":"Int. J. Urban Sci."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"101957","DOI":"10.1016\/j.tele.2023.101957","article-title":"Smart city and remote services: The case of South Korea\u2019s national pilot smart cities","volume":"79","author":"Yang","year":"2023","journal-title":"Telemat. Inform."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1016\/j.techfore.2018.07.022","article-title":"Smart innovative cities: The impact of Smart City policies on urban innovation","volume":"142","author":"Caragliu","year":"2019","journal-title":"Technol. Forecast. Soc. Change"},{"key":"ref_43","doi-asserted-by":"crossref","unstructured":"Zeng, Y., Zhang, Z., Ye, Z., and Li, L. (2023). Regional innovation effect of smart city construction in China. PLoS ONE, 18.","DOI":"10.1371\/journal.pone.0281862"},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"102348","DOI":"10.1016\/j.habitatint.2021.102348","article-title":"Achieving resilience through smart cities? Evidence from China","volume":"111","author":"Zhou","year":"2021","journal-title":"Habitat. Int."},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"631","DOI":"10.1016\/j.eap.2024.07.011","article-title":"Mechanisms and effect assessment of smart city policy pilots on employment resilience: Empirical evidence based on 275 sample cities in China","volume":"83","author":"Wang","year":"2024","journal-title":"Econ. Anal. Policy"},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1080\/00130095.2015.1094371","article-title":"Both Marshall and Jacobs were Right!","volume":"92","author":"Caragliu","year":"2016","journal-title":"Econ. Geogr."},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"574","DOI":"10.1016\/j.eap.2021.12.006","article-title":"Impact and mechanism analysis of smart city policy on urban innovation: Evidence from China","volume":"73","author":"Wang","year":"2022","journal-title":"Econ. Anal. Policy"},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"8273","DOI":"10.1080\/00036846.2023.2290585","article-title":"Unlocking the role of smart cities in technological innovation: Evidence from China","volume":"56","author":"Shu","year":"2023","journal-title":"Appl. Econ."},{"key":"ref_49","doi-asserted-by":"crossref","first-page":"119763","DOI":"10.1016\/j.techfore.2019.119763","article-title":"Smart cities and entrepreneurship: An agenda for future research","volume":"149","author":"Kummitha","year":"2019","journal-title":"Technol. Forecast. Soc. Change"},{"key":"ref_50","doi-asserted-by":"crossref","first-page":"134780","DOI":"10.1016\/j.jclepro.2022.134780","article-title":"Does smart city policy promote urban green and low-carbon development?","volume":"379","author":"Cheng","year":"2022","journal-title":"J. Clean. Prod."},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"107009","DOI":"10.1016\/j.eiar.2022.107009","article-title":"Do smart cities promote a green economy? Evidence from a quasi-experiment of 253 cities in China","volume":"99","author":"Liu","year":"2023","journal-title":"Environ. Impact Assess. Rev."},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"51749","DOI":"10.1007\/s11356-023-26038-w","article-title":"Can digital economy reduce carbon emission intensity? Empirical evidence from China\u2019s smart city pilot policies","volume":"30","author":"Wang","year":"2023","journal-title":"Environ. Sci. Pollut. Res."},{"key":"ref_53","doi-asserted-by":"crossref","unstructured":"Zhang, E., He, X., and Xiao, P. (2022). Does Smart City Construction Decrease Urban Carbon Emission Intensity? Evidence from a Difference-in-Difference Estimation in China. Sustainability, 14.","DOI":"10.3390\/su142316097"},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"121037","DOI":"10.1016\/j.techfore.2021.121037","article-title":"A smart city is a less polluted city","volume":"172","author":"Chu","year":"2021","journal-title":"Technol. Forecast. Soc. Change"},{"key":"ref_55","doi-asserted-by":"crossref","unstructured":"Zhang, G., Sun, X., and Zhong, S. (2024). The impact of smart city construction (SCC) on pollution emissions (PE): Evidence from China. Sci. Rep., 14.","DOI":"10.1038\/s41598-024-57138-3"},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1257\/jel.20171452","article-title":"Digital Economics","volume":"57","author":"Goldfarb","year":"2019","journal-title":"J. Econ. Lit."},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"103194","DOI":"10.1016\/j.cities.2021.103194","article-title":"Smart city for sustainable environment: A comparison of participatory strategies from Helsinki, Singapore and London","volume":"114","author":"Shamsuzzoha","year":"2021","journal-title":"Cities"},{"key":"ref_58","doi-asserted-by":"crossref","first-page":"e30115","DOI":"10.1016\/j.heliyon.2024.e30115","article-title":"Smart city and green innovation: Mechanisms and industrial emission reduction effect","volume":"10","author":"Sun","year":"2024","journal-title":"Heliyon"},{"key":"ref_59","doi-asserted-by":"crossref","first-page":"143744","DOI":"10.1016\/j.scitotenv.2020.143744","article-title":"Heterogeneous impacts of environmental regulations and foreign direct investment on green innovation across different regions in China","volume":"759","author":"Luo","year":"2021","journal-title":"Sci. Total Environ."},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"105177","DOI":"10.1016\/j.scs.2024.105177","article-title":"Spatial-temporal evolution analysis of the impact of smart transportation policies on urban carbon emissions","volume":"101","author":"Lu","year":"2024","journal-title":"Sustain. Cities Soc."},{"key":"ref_61","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1016\/j.jdeveco.2018.02.001","article-title":"Career concerns and multitasking local bureaucrats: Evidence of a target-based performance evaluation system in China","volume":"133","author":"Chen","year":"2018","journal-title":"J. Dev. Econ."},{"key":"ref_62","doi-asserted-by":"crossref","first-page":"103293","DOI":"10.1016\/j.resourpol.2023.103293","article-title":"Does emission trading system reduce mining cities\u2019 pollution emissions? A quasi-natural experiment based on Chinese prefecture-level cities","volume":"81","author":"Shen","year":"2023","journal-title":"Resour. Policy"},{"key":"ref_63","doi-asserted-by":"crossref","first-page":"12853","DOI":"10.1007\/s11356-020-12240-7","article-title":"Does government information transparency contribute to pollution abatement? Evidence from 264 Chinese cities","volume":"29","author":"Song","year":"2022","journal-title":"Environ. Sci. Pollut. Res."},{"key":"ref_64","doi-asserted-by":"crossref","first-page":"141818","DOI":"10.1016\/j.jclepro.2024.141818","article-title":"The influence of smart city policy on urban green energy efficiency\u2014A quasi-natural experiment based on 196 cities","volume":"449","author":"Wu","year":"2024","journal-title":"J. Clean. Prod."},{"key":"ref_65","doi-asserted-by":"crossref","unstructured":"Hu, C., Ma, X., Liu, Y., Ge, J., Zhang, X., and Li, Q. (2023). Mechanism and Spatial Spillover Effect of New-Type Urbanization on Urban CO2 Emissions: Evidence from 250 Cities in China. Land, 12.","DOI":"10.3390\/land12051047"},{"key":"ref_66","first-page":"6181","article-title":"Towards Urban Sustainable Development: The Effect of New Type Urbanization on Energy Utilization Efficiency","volume":"33","author":"Jiang","year":"2024","journal-title":"Pol. J. Environ. Stud."},{"key":"ref_67","doi-asserted-by":"crossref","first-page":"54890","DOI":"10.1007\/s11356-022-19722-w","article-title":"Have carbon emissions been reduced due to the upgrading of industrial structure? Analysis of the mediating effect based on technological innovation","volume":"29","author":"Zhu","year":"2022","journal-title":"Environ. Sci. Pollut. Res."},{"key":"ref_68","doi-asserted-by":"crossref","first-page":"104429","DOI":"10.1016\/j.cities.2023.104429","article-title":"Promoting or inhibiting? New-type urbanization and urban carbon emissions efficiency in China","volume":"140","author":"Chen","year":"2023","journal-title":"Cities"},{"key":"ref_69","first-page":"685","article-title":"Earnings losses of displaced workers","volume":"83","author":"Jacobson","year":"1993","journal-title":"Am. Econ. Rev."},{"key":"ref_70","doi-asserted-by":"crossref","first-page":"C1","DOI":"10.1093\/ectj\/utac017","article-title":"Two-way fixed effects and differences-in-differences with heterogeneous treatment effects: A survey","volume":"26","year":"2023","journal-title":"Econom. J."},{"key":"ref_71","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1016\/j.jeconom.2021.03.014","article-title":"Difference-in-differences with variation in treatment timing","volume":"225","year":"2021","journal-title":"J. Econ."},{"key":"ref_72","doi-asserted-by":"crossref","first-page":"74","DOI":"10.1016\/j.spc.2023.09.011","article-title":"China\u2019s cities go carbon neutral: How can new-type urbanization policies improve urban carbon performance?","volume":"42","author":"Cui","year":"2023","journal-title":"Sustain. Prod. Consum."},{"key":"ref_73","doi-asserted-by":"crossref","first-page":"563","DOI":"10.1364\/OL.34.000563","article-title":"Second moments of partially coherent beams in atmospheric turbulence","volume":"34","author":"Dan","year":"2009","journal-title":"Opt. Lett."},{"key":"ref_74","doi-asserted-by":"crossref","unstructured":"Wang, L., Xie, Q., Xue, F., and Li, Z. (2022). Does Smart City Construction Reduce Haze Pollution?. Int. J. Environ. Res. 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