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.

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.

The real goal of the Earth Charter is that it will in fact become like the Ten Commandments.

Ted Turner is still a leader. And he sets a great example. His ability financially has been reduced, but his influence and his example still is an important asset to the whole environmental movement.

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

So, what we do as individuals matters. It adds up.

I believe we are going to move into a situation where the more effective conferences will be smaller, more specialized, more focused, with occasional large gatherings to get the attention of the larger world.