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

By Frank Werner

In an environmental lifestyles cycle overview of goods (LCA), an unambiguous, scientifically dependent, ‘objective’ attribution of fabric and effort flows to a product is natural fiction. this is often end result of the basic epistemological stipulations of LCA as a modelling method less than the complexity of our socio-economic procedure. in its place, quite a few psychological versions and values advisor this attribution. This results in a useful version in a selected choice situation.

This ebook exhibits for the 1st time how psychological types and values impression this attribution within the lifestyles 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 into consideration for the attribution of fabric and effort flows to a product. differently, development concepts advised by way of an LCA may well end up to even aggravate the environmental scenario if reassessed from a meta-perspective.

As a outcome of this e-book, the declare of unambiguitiy (‘objectivity’) of the lifestyles cycle stock needs to be deserted. A group-model construction approach for LCA is built that enables one to know the choice makers' psychological versions and values within the stock research on a case- and situation-specific foundation. merely through this, LCA effects turns into proper in a decision-making process.

Two case reviews 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 part.

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

Show description

Read or Download Ambiguities in Decision-oriented Life Cycle Inventories: The Role of Mental Models and Values PDF

Similar environmental economics books

Sustainability: Life Chances and Livelihoods

The concept that of sustainability is normally considered in solely environmental phrases. Sustainability: lifestyles percentages and Livelihoods hyperlinks peoples livelihoods and existence possibilities to the idea that of sustainability by way of reading the way social and monetary strategies supplement and compound environmental swap.

The Commons in the New Millennium: Challenges and Adaptation (Politics, Science, and the Environment)

Globalization, inhabitants progress, and source depletion are drawing elevated realization to the significance of universal assets equivalent to forests, water assets, and fisheries. it really is serious that those assets be ruled in an equitable and sustainable manner.

Technical services today and tomorrow

Concentrating on probably the most basic components of librarianship, Gorman and a number of distinct members study the present country of the sector of technical providers and provide their perspectives on its destiny. The ebook is split into 4 sections: acquisitions, bibliographic keep watch over, automation, and management.

The Biosphere and the Bioregion: Essential Writings of Peter Berg

Bioregionalism asks us to reimagine ourselves and the locations the place we are living in ecological phrases and to harmonize human actions with the common structures that maintain existence. As one of many originators of the idea that of bioregionalism, Peter Berg (1937-2011) is a founding determine of up to date environmental notion.

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

Example text

As methodological development of LCA is continuous, the positioning of LCA as a decision support tool can only be provisional. e. products including services (and plants) are objects of analysis; • LCA assesses changes in single human activities or average human activities and cannot describe the state of the environment or societal responses to environmental stress; • LCA assesses potential global environmental interventions and damages by assuming a unit-world with average meteorological and ecological conditions; • LCA compresses the time dimension in the modelling phase as well as in the impact assessment phase and does not discount the future62; • LCA relies on input-output accounting.

A decision-maker uses LCA for generating information on the environmental implications of products. For this purpose a model is set up covering the material and energy flows attributed to a product and their evaluation in view of their environmental impact. The decision-maker expects LCA to depict the environmental implications of products ‘adequately’ and to provide recommendations that are in line with his/her understanding of the real world (his/her mental models on the real world). Modelling in the life cycle inventory analysis consists in the ‘causal’ attribution of material and energy flows to the product under study (see Chap.

For example the question of 76 see Ulrich 1981:8f; Keeney and Raiffa 1976:11 LCA as method and its modelling characteristics 39 whether one-way bottles or deposit bottles are less polluting cannot be answered without considering transport” (Pohl et al. 1996:56). This kind of systematic error is concerned with if processes held relevant for the environmental impacts of a product are considered at all. This book postulates a second source of systematic error related to the setting of system boundaries (as final defining element of an input-output model) in the life cycle inventory analysis: the reductionistic way of modelling in the life cycle inventory analysis resulting in an input-output model and the representativeness and adequacy (validity) of the model in view of the characteristics of the real material and energy flows of the socio-economic system.

Download PDF sample

Rated 4.98 of 5 – based on 39 votes