I am President of the UN created University for Peace, which has a strong commitment to the relationship between peace, security and the environment. I meet with young people around the world and I always come away enthused and encouraged.
One of the things that I've always thought I would like to do is to develop an environmental index. Then people can measure their own environmental performance on an index as they do in other ways.
We in the industrialized world make a greater difference because our ecological footprint, our impact on the condition of the environment, is 40 to 50 times larger than that of people in the developing world.
If you want to maintain a sustainable supply of fish you have to farm the fish, rather than mine them. So putting your money into fishing fleets that are going to exacerbate the problem by over-fishing is not the way to preserve the underlying asset.
Our concepts of ballot-box democracy may need to be modified to produce strong governments capable of making difficult decisions.
If we don't change, our species will not survive... Frankly, we may get to the point where the only way of saving the world will be for industrial civilization to collapse.
Current lifestyles and consumption patterns of the affluent middle class - involving high meat intake, the use of fossil fuels, electrical appliances, home and work-place air-conditioning, and suburban housing - are not sustainable.
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.
We must, from here on in, all go down the same path... There may not be another chance.
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.
Not to say that corporations are perfect today, but even grand corporations like Dupont have made immense progress in translating some of their past environmentally damaging practices into new profit opportunities.
It is simply not feasible for sovereignty to be exercised unilaterally by individual nation-states, however powerful. It is a principle which will yield only slowly and reluctantly to the imperatives of global environmental cooperation.
Inertia is a powerful force in human and political affairs.
I was with Ted Turner when he came to see Kofi Annan - the Secretary-General of the UN - to announce his decision to put billion to the service of UN projects and programs.