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Growth of city trees can cut air pollution, says report - BBC News
Keywords: Trees, Pollution,
Nature Conservancy reports that trees planted in cities reduce particulate matter by between 7% and 24%. Particulate matter are microscopic particles we breathe in when there is polluted air from automobiles, factories, or smoking. The cooling effect is about 2 degrees centigrade or 3.6 degrees fahrenheit. Outdoor air pollution causes asthma and other lung diseases, and led to premature deaths of about 3 million people in 2012, according to the World Health Organization (WHO). Hospitalization from high pollution levels is another major problem, especially in poor and middle income nations, such as Brazil, Mexico, India, China and Indonesia. Air Flow should be considered when planting trees in congested urban areas. Cities in the west also benefit from tree planting, and London has benefitted from the park spaces and tree planting.
Air quality, pollution and planting trees in cities
10/31/2016
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Growth of city trees can cut air pollution, says report - BBC News
BBC News 10/31/2016
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