We won't have a society if we destroy the environment.

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

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

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

Keep close to Nature's heart... and break clear away, once in awhile, and climb a mountain or spend a week in the woods. Wash your spirit clean.

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

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

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

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

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