Environmental Studies and Forestry

Global inequities in population exposure to urban greenspaces increased amidst tree and nontree vegetation cover expansion

S. Leng, R. Sun, et al.

This study reveals that while urban tree cover has surged in cities globally, a troubling decline in human exposure to urban greenery has emerged in the Global South, intensifying regional disparities. Conducted by Song Leng, Ranhao Sun, Xiaojun Yang, and Liding Chen, the research underscores the urgent need for equitable greenspace strategies.

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Abstract

This study investigates global variations in urban tree and nontree vegetation cover from 2000 to 2020, analyzing their drivers and impacts on population exposure. Using satellite data and socioeconomic factors, the researchers found that approximately 90% of cities experienced increased tree cover, while 49% showed increased nontree vegetation. However, human exposure to urban tree vegetation significantly declined in the Global South, widening the North-South disparity. The study highlights persistent inequalities in greenspace access and calls for equitable strategies to reduce these disparities.

Publisher

Communications Earth & Environment

Published On

Dec 08, 2023

Authors

Song Leng, Ranhao Sun, Xiaojun Yang, Liding Chen

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