From the text: For the evaluation of environmental impacts due to human activities, lifestyles or plans and
programs it is essential the identification of measurable indicators that allow to link the
activities we're talking about with the effects we're studying. The best choice of the index
depends on the type of the impact we want to analyze.
The starting point for the evaluation of the efficacy of carried out actions consists in the
quantitative assessment of selected indicators and of the identification of relations. These
ones link indicators on the one hand with the processes and on the other hand with
environmental effects, whatever it is the target (reduction of air pollution, reduction of
energy wastes, reduction of ecological footprint etc.).

Contribution to the 3rd International Degrowth Conference for Ecological Sustainability and Social Equity in Venice in 2012.