Whatever we'll be forced to do later, we should be doing now.

If we were driving pure hydrogen automobiles, that automobile would actually help clean up the air because the air coming out of the exhaust would be cleaner than the air going into the engine intake.

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

Practically every environmental problem we have can be traced to our addiction to fossil fuels, primarily oil.

Business has to change the way it does business, or we will make no significant changes in the way we relate to the earth.

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.

Changing mass consciousness is an individual responsibility.