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

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

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

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

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

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.

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

I think the cost of energy will come down when we make this transition to renewable energy.

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