How much must I reduce my greenhouse gas (GHG) emissions if I want to do my fair share to contribute towards the global effort to keep global warming below a 2°C rise in average temperature over preindustrial times? This paper suggests an answer for nations and corporations that want to move...

This is an edited transcript of part of a talk given by Donella Meadows at the 1994 meeting of the International Society for Ecological Economics in San José, Costa Rica, and recorded by Peter Griesinger. Meadows, cofounder of the Balaton Group, passed away in 2001, but she has inspired a...

Of the several hundred seminars and meetings that have been held by the IIASA Energy Systems Program since its inception in 1973, one still stands out in the minds of many people at the Institute. In the winter of 1977, Amory Lovins visited Laxenburg; he was invited to deliver a seminar on soft...

In March 2005, the Norwegian Government appointed a seven-person expert Commission on Low Emissions and asked it to describe how Norway could cut its greenhouse gas emissions by about two–thirds below its Kyoto obligation, by 2050. The Commission delivered its unanimous recommendation in...

The authors propose six questions relevant to the evaluation of all social system models, and apply them to the Barr-Gale model for forecasting the Consumer Price Index for Food. While analysts invest much effort in developing new economic models, relatively little attention is paid to...