There are nuclear weapons in China Iran Korea and Pakistan. It wouldn't take much to send a couple of warheads off on this planet somewhere that would cause a lot of environmental damage then if you have got someone who wants to retaliate you have real problems.

Hydrogen holds great promise to meet many of our future energy needs and it addresses national security and our environmental concerns. Hydrogen is the simplest most abundant element in the universe.

I don't think it's too hippie to want to clean up the planet so you don't wind up dying of some kind of cancer when you're 45 years old. It enrages me that these big cancer-research organizations can't be bothered to man the front lines of environmental protest.

You cannot achieve environmental security and human development without addressing the basic issues of health and nutrition.

Civilization has given us enormous successes: going to the moon technology. But then this is the civilisation that took us to debt environmental crisis every single crisis. We need a civilization where we say goodbye to these things.

I'm a latecomer to the environmental issue which for years seemed to me like an excuse for more government regulation. But I can see that in rich societies voters are paying less attention to economic issues and more to issues of the spirit including the environment.

Why should we not expect self-designated environmental leaders to practice what they preach?

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.

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.

I've developed a huge regard for Toyota for its environmental awareness for its immense commitment to research and development in this field and for its leadership in developing hybrids which others are now following.