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How to bring shade to a city
"An asphalt or concrete sidewalk really heats up and radiates heat long past when the sun goes down. If we can shade those pavements, you can do a huge amount to reduce that type of reradiation."
- Nina Bassuk, Cornell University urban-tree expert
Boston, Massachusetts, USA - "Wangari" has begun to spread her roots in Boston's Dorchester neighborhood ... The red maple tree Mayor Thomas Menino planted on Arbor Day this spring is named for Wangari Maathai, a 2004 Nobel Peace Prize Laureate and driving force behind the United Nation's One Billion Tree Campaign for 2007.
Boston is the fourth US city, behind Baltimore; Annapolis, Md.; and New York, to employ the US Forest Service's latest forest mapping technology called the Forest Opportunity Spectrum.