Occupy World Street is a masterpiece which deserves to get wide circulation and commitment by world leaders.

Rumors of my wealth are greatly exaggerated. I have never been interested in money.

Anyone who is seriously interested in me would usually do a little more homework and realise that the extreme criticisms are almost exclusively ideologically based.

The combination of population growth and the growth in consumption is a danger that we are not prepared for and something we will need global co-operation on.

We need what I have often called an ecological approach to the management of these resources and we do not have that now. We have the inertia of past habits, unsustainable habits.

In addition to this, they already have a fuel cell car on the road in Japan. It is subsidized from within the corporation because they are still at a high cost.

Nevertheless, the concept of sustainable development is now known - even amongst those who haven't accepted it - and it's recognized, debated and followed by an increasing number of businesses.