Should we see urban trees as effective solutions to reduce increasing ozone levels in cities?

Environmental Pollution
Pierre SicardElena Paoletti

Abstract

Outdoor air pollution is considered as the most serious environmental problem for human health, associated with some million deaths worldwide per year. Cities have to cope with the challenges due to poor air quality impacting human health and citizen well-being. According to an analysis in the framework of this study, the annual mean concentrations of tropospheric ozone (O3) have been increasing by on average 0.16 ppb year-1 in cities across the globe over the time period 1995-2014. Green urban infrastructure can improve air quality by removing O3. To efficiently reduce O3 in cities, it is important to define suitable urban forest management, including proper species selection, with focus on the removal ability of O3 and other air pollutants, biogenic emission rates, allergenic effects and maintenance requirements. This study reanalyzes the literature to i) quantify O3 removal by urban vegetation categorized into trees/shrubs and green roofs; ii) rank 95 urban plant species based on the ability to maximize air quality and minimize disservices, and iii) provide novel insights on the management of urban green spaces to maximize urban air quality. Trees showed higher O3 removal capacity (3.4 g m-2 year-1 on average) than green roo...Continue Reading

Citations

Oct 3, 2019·Environmental Science and Pollution Research International·Pierre SicardAlessandra De Marco
Sep 5, 2019·Clinical Epigenetics·Christopher F Rider, Chris Carlsten
Jun 24, 2020·Environmental Science and Pollution Research International·Samira MuhammadRoeland Samson
Nov 11, 2020·The Science of the Total Environment·Wan Adibah Wan MahariChristian Sonne
Mar 13, 2021·Environmental Pollution·Antonello PrigionieroCarmine Guarino
Mar 16, 2021·Environmental Sciences Europe·Pierre SicardVicent Calatayud
Mar 31, 2021·International Journal of Biometeorology·Vidya Anderson, William A Gough
Mar 29, 2021·Environmental Pollution·Yuhan HuangJohn L Zhou
Sep 29, 2019·Chemosphere·Leticia Vitola PasettoMarie-Hélène Manero
Jul 28, 2021·Environment International·Jiansheng WuZhenyu Wang
Nov 11, 2020·Environmental Science & Technology·Silvano FaresPiermaria Corona

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