By Frank Werner
In an environmental existence cycle evaluation of goods (LCA), an unambiguous, scientifically dependent, ‘objective’ attribution of fabric and effort flows to a product is natural fiction. this is often because of the basic epistemological stipulations of LCA as a modelling method less than the complexity of our socio-economic method. as an alternative, a variety of psychological versions and values advisor this attribution. This ends up in a practical version in a particular choice state of affairs. This ebook indicates for the 1st time how psychological types and values impact this attribution within the existence cycle stock step of LCA. one of many key findings is that different 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. another way, development thoughts instructed through an LCA may end up to even irritate the environmental scenario if reassessed from a meta-perspective. by reason of this booklet, the declare of unambiguitiy (‘objectivity’) of the existence cycle stock has to be deserted. A group-model development strategy for LCA is constructed that permits one to understand the choice makers' psychological types and values within the stock research on a case- and situation-specific foundation. basically by way of this, LCA effects becomes correct in a decision-making approach. case reports at the modelling of recycling and different end-of-life strategies of aluminium home windows and beech wooden railway sleepers in LCA supplement the methodological half. This e-book is a ‘must have’ for researchers, experts and practitioners within the fields of decision-oriented lifestyles cycle evaluate in addition to product-related environmental administration, modelling and decision-making.
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Additional info for Ambiguities in Decision-oriented Life Cycle Inventories: The Role of Mental Models and Values (Eco-Efficiency in Industry and Science)
4). Part III investigates, which mental models and values guide the life cycle inventory analysis. After an introducing Chapter 4, the standard ISO/EN 14041 is analysed in-depth for attribution rules concerning the setting up of the product system in the life cycle inventory analysis (Chapter 5). The series of standards ISO 14040 is taken as minimum consensus of the actual discussion of LCAmethodology. The attribution rules of ISO/EN 14041 are screened for decisions requiring the (implicit) use of mental models and values.
This information should support the process of efficient and effective decision-making30 in terms of providing the environmentally soundest action alternative31. LCA generates this information by modelling. , ISO/EN 14041, chap. 2, point 3 in the sense of substantiatable, intersubjectively comprehensible including services It is assumed here that LCA-results are normally consulted in the analytic mode of thought. For different modes of thought in product design, see Ehrlenspiel 1995:63ff; for models of the analytic and intuitive mode of thought, see Scholz 1987:170ff.
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). 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).