Factor four
Factor four. Double prosperity - halved consumption of nature is a report to the Club of Rome , which was written in 1995 by Ernst Ulrich von Weizsäcker , Amory Lovins and Hunter Lovins and which advocates increasing resource productivity .
The first part presents examples of quadrupled energy productivity , material productivity and transport productivity. In the second part, the possibilities of increasing resource productivity via market forces are addressed. In particular, reference is made to tradable certificates for increased energy efficiency (see also emissions certificate ) and the possibility of eco-tax . The third part deals with previous environmental initiatives, in particular the environmental protection conference in Rio , the Factor 10 Club and the previous report to the Club of Rome The New Limits to Growth . The fourth part calls for a change from increasing an abstract standard of living , which is only measured in gross national product per capita, to increasing the quality of life .
In 2010 von Weizsäcker et al. the follow-up report factor five .
literature
- Ernst U. von Weizsäcker, Amory B. Lovins, LH Lovins: Factor four. Twice the prosperity - halve the consumption of nature , ISBN 3426268779