Life Cycle Inventory & Life Cycle Assessment
"Life cycle assessment" - means assessing the entire life cycle of the product, process or activity, encompassing extracting and processing material; manufacturing, transporting and distribution; use, reuse and maintenance; recycling and final disposal. (The Society of Environment, Toxicology and Chemistry, 1993)
The Center for Agriculture and Rural Sustainability at the University of Arkansas conducted a life cycle assement of global cotton production quantifying the energy required at each phase of production, thereby allowing a comparison of energy intensity across an array of production methods.