The Mixing Triangle: Correlation and Graphical Decision Support for LCA‐based Comparisons

Patrick Hofstetter, Arthur Braunschweig, Thomas Mettier, Ruedi Müller‐Wenk and Olaf Tietje

Journal of Industrial Ecology, 1999, vol. 3, issue 4, 97-115

Abstract: Recent developments within life‐cycle impact assessment (LCIA) allow direct modeling of changes to predefined safeguard subjects that represent the environment to be protected. These changes are often expressed in a few damage indicators and calculated for each product alternative to be compared. This article analyzes the correlation among damage indicators within one specific LCIA methodology, assesses the implications of such correlation for the use of weighting methods, and proposes a method for graphically displaying choices with respect to weighting.

Date: 1999
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