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.

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.

Also, it is interesting that developing countries, with China and India perhaps in the lead, where the future of the global environment will be decided are now on board with the case for sustainable development.

After all, sustainability means running the global environment - Earth Inc. - like a corporation: with depreciation, amortization and maintenance accounts. In other words, keeping the asset whole, rather than undermining your natural capital.

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

I am convinced the prophets of doom have to be taken seriously.

I am a socialist in ideology, a capitalist in methodology.