| http://www.w3.org/ns/prov#value | - Search Familiar Name Tops List of Most Sustainable Cities September 23, 2008, 2pm PDT Portland, Oregon, has again been named the most sustainable city in the U.S. in a recent ranking.Using criteria in 16 categories, including air and water quality, traffic congestion, access to public transportation, land use, green business activity, and environmental policies, SustainLane, an Internet company t
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