After a period of relative silence, recent years have been marked by an upswing of interest in environmental issues. The publication of the report of the World Commission on Environment and Development on 'Our Common Future' (1987) has acted as a catalyst for a revival of the environmental awareness, not only regarding local and daily pollution problems, but also -and in particular- regarding global environmental decay and threats to a sustainable development. In a recent study by W.M. Stigliani et al., on 'Future Environments for Europe' (Executive Rep rt 15, IIASA, Laxenburg, 1989) the...

After a period of relative silence, recent years have been marked by an upswing of interest in environmental issues. The publication of the report of the World Commission on Environment and Development on 'Our Common Future' (1987) has acted as a catalyst for a revival of the environmental awareness, not only regarding local and daily pollution problems, but also -and in particular- regarding global environmental decay and threats to a sustainable development. In a recent study by W.M. Stigliani et al., on 'Future Environments for Europe' (Executive Rep~rt 15, IIASA, Laxenburg, 1989) the...