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

Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.

Local innovation and initiative can help us better understand how to protect our environment.

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.

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

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

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

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