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Development
of a new LCA weighting method.
Avslutat
projekt
Time: 1998-1999.
Weighting in life cycle assessment (LCA) is a
controversial subject due to its dependence upon value
judgements. One of the issues that has to be dealt with
is whose values that shall be reflected. In a democratic
society, a fair candidate to put forward would be the
government. In environmental economics taxes and fees
set up by governments to protect natural resources and
the environment are sometimes used as an approximation
of the monetary value of these assets.
In this master thesis a new set of weighting factors for
LCA, based on Swedish environmental taxes and fees will
be presented. Weighting factors are derived for the most
commonly used impact categories. The weighting factors
are also combined with different sets of
characterisation factors, in order to obtain one-step
weighting factors that may be applied directly onto
inventory data. An estimation of the uncertainty in the
valuation is obtained when alternative weighting factors
are combined with different sets of characterisation
factors.
The method is presented in a M. Sc. thesis by Jessica
Johansson (fms report 122).
For further information on the project, please contact Göran
Finnveden
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