Urban pollution

  • We use worldwide satellite data to analyse how population size and density affect urban pollution. We find that density significantly increases pollution exposure. Looking only at urban areas, we find that population size affects exposure more than density. Moreover, the effect is driven mostly by population commuting to core cities rather than the core city population itself. We analyse heterogeneity by geography and income levels. By and large, the influence of population on pollution is greatest in Asia and middle-income countries. A counterfactual simulation shows that PM2.5 exposure would fall by up to 36% and NO2 exposure up to 53% if within countries population size were equalized across all cities.

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Author details:Rainald BorckORCiDGND, Philipp SchrauthORCiDGND
Title of parent work (English):CEPA Discussion Papers
Subtitle (English):A global perspective
Publication series (Volume number):CEPA Discussion Papers (60)
Publication type:Working Paper
Date of first publication:2022/12/21
Publication year:2022
Publishing institution:Universität Potsdam
Release date:2022/12/21
Tag:air pollution; gridded data; population density
Number of pages:48
RVK - Regensburg classification:AR 23600, QT 800, QY 000
Organizational units:Extern / Extern
Zentrale und wissenschaftliche Einrichtungen / Center for Economic Policy Analysis (CEPA)
Wirtschafts- und Sozialwissenschaftliche Fakultät / Wirtschaftswissenschaften / Fachgruppe Volkswirtschaftslehre
DDC classification:3 Sozialwissenschaften / 33 Wirtschaft / 330 Wirtschaft
JEL classification:Q Agricultural and Natural Resource Economics; Environmental and Ecological Economics / Q5 Environmental Economics / Q53 Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling
R Urban, Rural, and Regional Economics / R1 General Regional Economics / R12 Size and Spatial Distributions of Regional Economic Activity
Peer review:Nicht referiert
License (German):License LogoKeine öffentliche Lizenz: Unter Urheberrechtsschutz
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