Here are the slides of my talk on “Circular Economy, Cascade Use and Efficiency as Pillars of a Factor Five World“ at the LCM 2011 – Towards Life Cycle Sustainability Management, on August 28–31 at the dahlem cube in Berlin. more…
The successor to “Factor Four” (first published in 1997) has been published by Earthscan in December. Picking up where Factor Four left off, this new book examines the past 15 years of innovation in industry, technical innovation and policy. more…
This title contrasts with the preoccupation with labour productivity during the last 200 years of technological progress. Labour productivity has been the melody of the first Industrial Revolution. It increased twentyfold or more during those 200 years. This has been the basis of prosperity and it is the main theme of China’s stunning economic progress. more…
We live in a finite world. Ultimately, there is no way around production and consumption patterns that are sustainable. Ultimately, customers, engineers, managers and politicians will show a strict priority for the respect of nature and the environment. more…
The answer to this question should be yes and no. Yes, we are closer than ten years ago. During all of he 1990s, an irritatingly optimistic mindset was dominating the world. The very expression of ‘saving the planet’ would not have been politically correct in these days, because it sounds ‘pessimistic’. more…
The global environment is endangered. We are losing some fifty plant and animal species every day. The global climate is beginning to become hotter. Unpredictable changes may hit countries both in the temperate and tropical zones. Theoretically even the sea water table is unstable. more…
Let me at the outset distinguish two different tasks of environmental policy. One is pollution control which is predominantly a local and a national activity. The other task of environmental policy relates to global and long-term challenges such as climate change, biodiversity losses and unsustainable lifestyles. Prices can work for the environment in both arenas. more…
We all agree that a lot more economic wealth is needed for six billion people let alone nine billion people that we expect to live on earth by the mid of the century. Doubling wealth is the least, I suggest, what we should aim at. On the other hand, we are already now overexploiting the earth. It is fair to say that we should reduce the consumption of natural resources by roughly a factor of two. more…