In every case the environmental hazards were made known only by independent scientists who were often bitterly opposed by the corporations responsible for the hazards.

My entry into the environmental arena was through the issue that so dramatically - and destructively - demonstrates the link between science and social action: nuclear weapons.

I'd say that animal rights and environmental issues have always been at the forefront of my mind.

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?