24 Jan '12, 6pm

Retrofits (Usually) Greener Than New Construction, Study Says

What's Happening from Environmental Building News Retrofits (Usually) Greener Than New Construction, Study Says By Paula Melton Carbon payback times vary considerably by climate and building type, but the new report shows that reuse, even without energy performance improvements, almost always trumps demolition and new construction. Is the greenest building the one you don’t build? The answer is a resounding “usually.” Conventional wisdom about building reuse is questioned and quantified in a much-anticipated report released today by Preservation Green Lab, part of the National Trust for Historic Preservation. Using a life-cycle assessment (LCA) approach that takes both operational and embodied impacts into account, the report compares the environmental impact of retrofitting an existing building for high performance vs. tearing down the building and replacing it with a hig...

Full article: http://www.buildinggreen.com/auth/article.cfm/2012/1/24/R...

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