Archetypes of Goal and Scope Definitions for Consistent Allocation in LCA

Dieuwertje Schrijvers, Philippe Loubet and Guido Sonnemann
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Dieuwertje Schrijvers: Institute of Molecular Sciences (ISM), University of Bordeaux, CNRS, Bordeaux INP, UMR 5255, F-33400 Talence, France
Philippe Loubet: Institute of Molecular Sciences (ISM), University of Bordeaux, CNRS, Bordeaux INP, UMR 5255, F-33400 Talence, France
Guido Sonnemann: Institute of Molecular Sciences (ISM), University of Bordeaux, CNRS, Bordeaux INP, UMR 5255, F-33400 Talence, France

Sustainability, 2020, vol. 12, issue 14, 1-15

Abstract: The selection of an appropriate allocation procedure for co-production and recycling in Life Cycle Assessment (LCA) depends on the goal and scope of the analysis. However, it is not always clear when partitioning or system expansion can be applied, or when to conduct an attributional or a consequential LCA, both for LCA practitioners and users of LCA results. In this paper, the influence of the goal and scope on the selected modeling approaches is clarified. The distinction between process-oriented and product-oriented LCAs, between system expansion and substitution, and between the cut-off approach and other allocation procedures are highlighted. Archetypes of goal and scope definitions are developed. These archetypes reflect the minimum amount of information required to select an allocation procedure. It is demonstrated via an illustrative example that the question “what is the environmental impact of a product” can result in at least 15 different research questions requiring at least five different modeling methods. Finally, perspectives are provided on the use of attributional and consequential approaches to evaluate the environmental, social, and economic sustainability of products and processes.

Keywords: life cycle assessment; allocation; recycling; attributional LCA; consequential LCA; sustainability; goal and scope; life cycle inventory (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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