As a physician, I see the earth as a patient in the intensive care unit. We have an acute clinical crisis on our hands and must take urgent action. My prescription for survival is that the American people rise up as they did in the 1980s, when 80 percent of Americans supported the nuclear weapons freeze.

Every time you turn on an electric light, you are making another brainless baby.

Teachers, I believe, are the most responsible and important members of society because their professional efforts affect the fate of the earth.

The U.S. population, a mere four or five percent of the world total, creates half the world's toxic waste.

I have witnessed the takeover of my world by plastic.

On one hand, I'm an optimistic pessimist. On the other, I'm a pessimistic optimist. But while there's life, there's still hope, and I wouldn't be doing what I'm doing if I didn't think there was still hope.

If the corporations have their way, the Earth will be killed, and that's in your lifetime. It's revolting to me that students are being trained to work in corporations. It's obscene to me that the corporations are running the world. We've got to get cross. Anger is an appropriate emotion.