CitiesAlive, the only conference series in North America dedicated to green roof and wall industries, is in Philadelphia this week. This year’s four-day conference, “Restoring Urban Waters,” hosted by the industry association Green Roofs and the Pennsylvania Horticultural Society, will look at how green roofs and walls are part of Philadelphia’s plan to revitalize the
MoreGreen Metropolis:Why Living Smaller, Living Closer, and Driving Less are the Keys to Sustainabilityby David Owens, Riverhead Hardcover (2009)
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