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Portland State researchers pinpoint links between trees and air quality »
The Oregonian: PSU study shows Portland's urban forest reduces air pollution but also finds hazards »
Portland Monthly: "Shifting Gears: A recession-era career switch takes a Portlander from showroom to emergency room" »
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TWC works with local communities, land trusts, watershed councils, and state resource managers to build local stewardship and acquire lands.
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