Journal
ENVIRONMENTAL POLLUTION
Volume 178, Issue -, Pages 395-402Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2013.03.050
Keywords
Urban forests; Air pollution removal; Particulate matter; Mortality; Human health
Categories
Funding
- National Science Foundation (NSF) through the Baltimore Ecosystem Study-Long Term Ecological Research (BES-LTER) [DEB-0423476, BCS-0948952]
- Syracuse Urban Long-term Research Area Exploratory Award (ULTRA-Ex)
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1249672] Funding Source: National Science Foundation
- Division Of Environmental Biology
- Direct For Biological Sciences [1027188] Funding Source: National Science Foundation
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Urban particulate air pollution is a serious health issue. Trees within cities can remove fine particles from the atmosphere and consequently improve air quality and human health. Tree effects on PM2.5 concentrations and human health are modeled for 10 U.S. cities. The total amount of PM2.5 removed annually by trees varied from 4.7 tonnes in Syracuse to 64.5 tonnes in Atlanta, with annual values varying from $1.1 million in Syracuse to $60.1 million in New York City. Most of these values were from the effects of reducing human mortality. Mortality reductions were typically around 1 person yr(-1) per city, but were as high as 7.6 people yr(-1) in New York City. Average annual percent air quality improvement ranged between 0.05% in San Francisco and 0.24% in Atlanta. Understanding the impact of urban trees on air quality can lead to improved urban forest management strategies to sustain human health in cities. Published by Elsevier Ltd.
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