Ambiguities in Decision-oriented Life Cycle Inventories: The - download pdf or read online

By Frank Werner

ISBN-10: 1402032536

ISBN-13: 9781402032530

ISBN-10: 1402032544

ISBN-13: 9781402032547

In an environmental existence cycle review of goods (LCA), an unambiguous, scientifically dependent, ‘objective’ attribution of fabric and effort flows to a product is natural fiction. this can be a result of basic epistemological stipulations of LCA as a modelling method below the complexity of our socio-economic procedure. as a substitute, quite a few psychological versions and values advisor this attribution. This ends up in a useful version in a selected selection situation.

This e-book exhibits for the 1st time how psychological versions and values impact this attribution within the lifestyles cycle stock step of LCA. one of many key findings is that the various administration ideas for a sustainable use of fabrics has to be taken into consideration for the attribution of fabric and effort flows to a product. differently, development concepts urged by way of an LCA may well end up to even irritate the environmental scenario if reassessed from a meta-perspective.

As a outcome of this e-book, the declare of unambiguitiy (‘objectivity’) of the existence cycle stock has to be deserted. A group-model construction procedure for LCA is built that permits one to know the choice makers' psychological types and values within the stock research on a case- and situation-specific foundation. merely via this, LCA effects turns into correct in a decision-making process.

Two case experiences at the modelling of recycling and different end-of-life innovations of aluminium home windows and beech wooden railway sleepers in LCA supplement the methodological part.

This ebook is a ‘must have’ for researchers, experts and practitioners within the fields of decision-oriented lifestyles cycle evaluation in addition to product-related environmental administration, modelling and decision-making.

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Extra info for Ambiguities in Decision-oriented Life Cycle Inventories: The Role of Mental Models and Values

Example text

The question arises about the representativeness and adequacy (validity) of the static, input-output model of the life cycle of a product in view of the complexity of the real world material and energy flows (and their environmental impact). 74 75 see Frischknecht 1998:31ff; Heijungs 1997; Heijungs and Frischknecht 1998 and footnote 131. Examples where the matrix procedures have been applied are the ESU-inventories for energy systems by Frischknechtt et al. 1996. , Hofstetter 1998:23/88ff). Chapter 2 38 Airborne emissions Causality!

LCA-literature is consulted to illustrate the influence of mental models and values on decisions made during the life cycle inventory analysis. Due to the scope of this book, special emphasis is put on decisions made in situations related to reuse & recycling. In Chapter 6, a literature review provides an overview of current allocation procedures for open-loop recycling. The chapter concentrates on different approaches to handling reuse & recycling in LCA and the influence of mental models and values.

Chapter 15 and Chapter 16 provide an overview of the current market characteristics of post-consumer wood in Switzerland; the characteristics and use options of post-consumer wood and on the wood flow management politics in the light of sustainable development. In Chapter 17, the attribution and allocation problems related to wood are outlined and two wood-specific guidelines for LCA of wood products – the User’s guide by the American Forest & and Paper Association42 and the methodological appendix of the European research project Life-Sys Wood43 – are presented and discussed.

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Ambiguities in Decision-oriented Life Cycle Inventories: The Role of Mental Models and Values by Frank Werner

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