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

I feel responsible; I feel I've got to do something that will leave the kids a place where they can live healthy, safe, productive, creative and prosperous lives.

War is usually fought over diminishing resources, particulary those that we perceive to be extremely valuable.

The earth is a tremendous gift. There is nothing else like it in the known universe. I want to leave it the way I found it.

The Age of Oil has really exhausted its usefulness, and it has actually become a danger to our lives and our ability to survive on the planet.

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

The premise is simple: One economy and one environment, and they're interdependent.