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Do urban trees really help reduce pollution and clean the air?

Courtesy of: EarthTalk® E – The Environmental Magazine Dear EarthTalk: Do urban trees really help reduce pollution and clean the air? —John Alderman, Washington, DC Back in 1872 Frederick Law Olmsted, the granddaddy of American landscape architecture and the designer of New York's Central Park, proclaimed that trees were the "lungs of the city." While […]

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