Sunday, December 14, 2008
USA; 11/10/08
Sustainable Sites Initiative Releases Guidelines and Performance ...The report notes that studies conducted by American Forests found that tree canopy reduces residential home cooling costs, saving an average of between $11 per household per year in Portland, Oregon, and $28 per household per year in ...Environmental Valuation & Cost-Benefi... - http://www.envirovaluation.org/index.php
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