| http://www.w3.org/ns/prov#value | - the Potomac Conservancy.The green roof and the trees and the drainage areas and other things are all designed to keep storm water from going into gutters and carrying pollution to the Chesapeake Bay.Beilin just got $500,000 from the EPA to help counties throughout Virginia promote this sort of building.One of the challenges in places like Arlington or Montgomery County, they are fairly sophisticat
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