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BIOBASED PRODUCTS AND THE LEED® RATING SYSTEM

Journal of Green Building 2010年第4期5卷 91-107页

作者： Meredith Chambers Mikesch Muecke Center for Industrial Research and Service Iowa State University Iowa State University

At the beginning of the 20th century,over 40%by weight of all the materials consumed through the production of goods within the United States were comprised of renewable resources(Matos and Wagner 1998).In contrast,by the end of the 20th century renewable material usage had dropped to less than 8%by weight(Matos and Wagner 1998).Combined with both an increase in the overall rate at which we consume resources as well as growing awareness of the inherently finite availability of nonrenewable resources,the early decades of the 21st century may mark the beginning of a shift back to an increased use of biobased *** the relative proportion of the demand for biobased materials has changed over the past century,one factor that has remained constant is that a majority of renewable and nonrenewable resources consumed in the *** used in the construction industry(Matos and Wagner 1998).Although the utilization of biobased products is increasing throughout all sectors,their popularity still lags in the building and construction industry,and they are surpassed by more widely accepted green practices such as the use of pre-and post-consumer recycled *** is,however,a great potential benefit to be gained from a resurgence in the use of biobased products,both from general environmental and human health *** of specific sectors that may profit from this include building and construction industries,which account for 40%(Roodman and Lenssen 1995)of global raw material usage,as well as the Federal government,which is the largest real property owner in the U.S.(*** Services Administration 2006).A biobased material is defined as containing some percentage of a biologically renewable *** to ASTM E2114-2004,a renewable resource is something“that is grown,naturally replenished,or cleansed,at a rate which exceeds depletion of the usable supply of that resource.”The length of time needed to replace a renewable resource can vary

关键词： biobased rapidly renewable Federal initiatives BioPreferred LEED building products sustainability

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