Blog archive: March 2016

Consequential LCA is not scenario modelling

March 13, 2016 by Bo Weidema

In the discussion on the differences between attributional and consequential modelling for Life Cycle Assessment (LCA), it is a common misunderstanding that consequential modelling requires scenario modelling or other form of forecasting, and therefore should be more uncertain than attributional models based on average, allocated data from the recent past. In their pure form, attributional models do not intend to say anything about the future, but it is still very common to find them applied to support claims about what…


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