This report explores in detail material flows in the economy which have a possible influence on the environment. It attempts to define the parameters that need to be taken into account to steer human development towards ecological sustainability. The report proposes a measure for resource...

The situation for developing indicators is not clear-cut, but characterised by three dilemmata making it particularly challenging. Only by combining a strategic approach with short-term flexibility, the effort can be successful. These dilemmas are characterised as Indicators vs. Indicator...

Every society can be described as comprising four dimensions, the economic, social, environmental and institutional. Each of them is a complex, dynamic, self-organising and evolving entity in its own right, making the coupled system one of tremendous complexity. For this system to be...