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

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.

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 must, from here on in, all go down the same path... There may not be another chance.

Developed and benefited from the unsustainable patterns of production and consumption which have produced our present dilemma. It is clear that current lifestyles and consumption patterns of the affluent middle class-involving high meat intake, consumption of large amounts of frozen and convenience foods, use of fossil fuels, appliances, home and work-place air-conditioning, and suburban housing-are not sustainable. A shift is necessary toward lifestyles less geared to environmentally damaging consumption patterns.

Licences to have babies incidentally is something that I got in trouble for some years ago for suggesting even in Canada that this might be necessary at some point, at least some restriction on the right to have a child.

Toyota was the first to put a commercial fuel cell powered car on the road, and I have no doubt that Toyota will continue to be in the front lines in the development of competitive fuel cell vehicles.