Unless we keep this planet healthy, everything else is for naught.

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

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

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

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

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

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

Not all is doom and gloom. We are beginning to understand the natural world and are gaining a reverence for life - all life.

Unless we keep this planet healthy, everything else is for naught.

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