Comprehensive Water Life Cycle Assessment for decision analysis

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Several features of water resources make their impacts difficult to quantify using conventional Life Cycle Assessment (LCA) approaches. Water consumption varies spatially and temporally, different water sources are not necessarily commensurable, and impact depends on the state of the resource base that is drawn upon. Despite these difficulties, comprehensive water LCA, if performed correctly, can be a useful tool in land use, policy planning, and mitigation decisions.