You may be able to fool the voters, but not the atmosphere.

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

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

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.

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

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

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

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

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