Tree canopy coverage

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Revision as of 09:37, 4 October 2010 by Michael (talk | contribs)
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Tree coverage is often a good thing. Shade is often a good thing and increased amounts of biomass is often a good thing.

Go plant a tree.

http://www.oregonlive.com/portland/index.ssf/2010/03/green_portland_apparently_isnt.html