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.

If we had a hydrogen economy worldwide, every nation on earth could create its own energy source to support its economy, and the threat of war over diminishing resources would just evaporate.

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

When we realize we can make a buck cleaning up the environment, it will be done!

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

It's fun to be a little bit different in the world, to make a few new trails of your own.

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