Ambiguities in Decision-oriented Life Cycle Inventories: The by Frank Werner

By Frank Werner

This publication indicates for the 1st time how psychological versions and values effect conclusions within the existence cycle stock step of LCA. One key discovering is that assorted administration principles for a sustainable use of fabrics needs to be taken under consideration for the attribution of fabric and effort flows to a product. contains case experiences at the modelling of recycling and different end-of-life thoughts of aluminium home windows and beech wooden railway sleepers in LCA.

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Extra info for Ambiguities in Decision-oriented Life Cycle Inventories: The Role of Mental Models and Values (Eco-Efficiency in Industry and Science)

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The resulting model is a-temporal and spatially undifferentiated as an answer to the complexity of real social, economic and environmental systems (Chap. 2). Or as Heiskanen (2002) puts it: “Product life cycles do not exist as distinct entities ‘out there in nature’, but they have to be modelled on the basis of what we assume to be the purpose of the activity, and where we place responsibility for environmental interventions” (Heiskanen 2002:428); • The ‘ceteris paribus’’ assumption made to reduce the complexity of real social, economic and environmental systems makes the validation of such models impossible35; • Mental models are applied and value choices are made during the setting up of the product system and its respective LCI as well as during the inventory assessment.

Consoli et al. 1993; Heijungs et al. 1992; ISO/EN 14042; ISO/EN 14040 Chapter 1 14 tive and subjective elements of LCA would clarify the structure of the method” (Miettinen and Hämäläinen 1997). Some years later, Hofstetter et al. subjective elements should be integrated into all phases of LCA rather than treated separately, but that the subjective elements have to be organised in a sophisticated manner that acknowledges social science knowledge in particular” (Hofstetter et al. 2000:161). an incorporation of the decision-maker’s value systems into goal and scope definition, inventory analysis, impact assessment and valuation” (Hofstetter et al.

A distinction between the objec- 20 21 22 23 24 25 Gabathuler 1997:188 Frischknecht 1994:123; also Heiskanen 2002:428, referring to multi-output allocation in general Frischknecht 1994:123; Hofstetter 1998:314 Ekvall and Tillman 1997; Hofstetter 1998:314 Throughout this book, reference is made to a broad set of literature on LCA, especially in Chap. 5 and Chap. 6. , Consoli et al. 1993; Heijungs et al. 1992; ISO/EN 14042; ISO/EN 14040 Chapter 1 14 tive and subjective elements of LCA would clarify the structure of the method” (Miettinen and Hämäläinen 1997).

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