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

Our world faces a true planetary emergency. I know the phrase sounds shrill, and I know it's a challenge to the moral imagination.

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

Harmony with land is like harmony with a friend you cannot cherish his right hand and chop off his left.

No one should be able to enter a wilderness by mechanical means.

I can find God in nature, in animals, in birds and the environment.

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

People in Slow Food understand that food is an environmental issue.

I firmly believe that we can have a healthy environment and a sustainable timber industry.

When we try to pick out anything by itself, we find it hitched to everything else in the universe.