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Free Software Calculates Benefits of Used Building Materials In some cases, used building materials are better than new. To estimate how much better, you can use the Building Materials Reuse Calculator created by New York Wastematch. This Microsoft Excel spreadsheet can be downloaded free from their web site. The calculator measures the environmental benefits of reusing building materials in terms of 10 avoided negative environmental impacts (global warming, acidification, eutrophication, fossil fuel depletion, water intake, criteria air pollutants, ecological toxicity, human health, ozone depletion, smog) and in terms of the embodied energy that the materials contain, which is preserved when the materials are reused. This tool assumes that reused materials take the place of new materials. The results include the environmental impacts avoided from extracting and processing raw materials, making them into finished materials, and transporting them from the factory to their points of use. The results also include the energy that would have been required to produce equal amounts of new products, based on the embodied energy contained in the reused product. http://www.wastematch.org/ __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail |
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