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The Rio + 10 interviews

Prof. Ernst Ulrich von Weizsäcker
Ecological resource efficiency


How do you see the past ten years since Rio?

How significant is the untapped potential for resource efficiency?

When I read Factor Four I thought it was so amazing, I gave copies to all my friends.

What is your view of the prospect for the transition to the hydrogen economy?

From where you're looking and the people you're talking to, do you feel the petroleum age will end soon and the hydrogen age will begin, and if so, in what kind of time frame?

How much energy which is already available, in Europe for example, gets wasted in the system?

OK now on economics and...


What do you think is the most important thing that ordinary citizens in Europe and America need to understand now, in regard to the future?