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.

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

Never doubt that a small group of thoughtful, committed citizens can change the world indeed, it's the only thing that ever has.

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

It seems that every time mankind is given a lot of energy, we go out and wreck something with it.

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.

We don't have to sacrifice a strong economy for a healthy environment.

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.