You may be able to fool the voters, but not the atmosphere.

I have a private plane. But I fly commercial when I go to environmental conferences.

If we do not permit the earth to produce beauty and joy, it will in the end not produce food, either.

We don't have to sacrifice a strong economy for a healthy environment.

People blame their environment. There is only one person to blame - and only one - themselves.

Much of the debate over global warming is predicated on fear, rather than science.

We learned that economic growth and environmental protection can and should go hand in hand.

I did not become a vegetarian for my health, I did it for the health of the chickens.

The only way forward, if we are going to improve the quality of the environment, is to get everybody involved.

I think the cost of energy will come down when we make this transition to renewable energy.