Abstract
AbstractThis paper presents information regarding a comparative life cycle assessment (LCA), including scenario and data uncertainty, based on a hypothetical drink product for which we evaluate three main container material alternatives: (1) a polyethylene terephthalate (PET) bottle; (2) an aluminum can; and (3) a polylactide (PLA) bottle. The scope of results included energy, water use and two characterized impacts are included: global warming potential (GWP) and ozone depletion potential (ODP).The results presented in this study demonstrate that LCI parameter uncertainty seems to have a dominant effect in the outcome of the LCA results considered. Indeed, in most cases there is overlap in the uncertainty intervals (at 95% confidence level), indicating that the three systems under study have similar indicator values, at least with regard to the environmental indicators included here.
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