Modeled PM2.5 removal by trees in ten U.S. cities and associated health effects(Abstract, David J. Nowaka, Satoshi Hirabayashib, Allison Bodineb, Robert Hoehna, Environmental Pollution, July 2013)
Also discussed here: Urban Trees Remove Fine Particulate Air Pollution, Save Lives(Science Daily, Jun. 19, 2013)
Today we review research into the amount of fine particulate matter [PM 2.5] removed from the air by urban trees and what this means in terms of economic benefit from human health cost savings. Results from 10 US cities indicate that trees improved air quality by 0.05 to0.24% which appears small but when applied to a city as large as New York translates into 7.6 premature deaths avoided or delayed and over $60 M saved.
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