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

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

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

By polluting clear water with slime you will never find good drinking water.

When we realize we can make a buck cleaning up the environment, it will be done!

Take a course in good water and air and in the eternal youth of Nature you may renew your own. Go quietly, alone no harm will befall you.

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

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

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

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