It's not an if - we're going to have to change. Oil is simply going to be gone.

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.

Business must be the solution, not the problem.

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

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.

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

If you don't generate tension in the film to begin with... you can't really make a purse out of a sow's ear, you know.