Life Cycle Assessment Links

EPA - Life Cycle Assessment: Principles and practice
http://hero.epa.gov/hero/index.cfm/search/results/all/US%20EPA%20Life%20Cycle%20Assessment%3A%20Principles%20and%20Practice/category/any/allfieldsconnector/all/sort.year
Life Cycle Initiative
http://www.lifecycleinitiative.org/
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