I think there will come a time when civilized people will look back in horror on our generation and the ones that have preceded it; the idea that we ….

Changing mass consciousness is an individual responsibility..

But the "wise" person understands something else— that we are all connected and, therefore, his or her own happiness must include the happiness of ot….

We're the only species that have crapped up the planet and the only species that can clean it up..

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

The people of the future will say, 'meat-eaters!' in disgust and regard us in the same way that we regard cannibals and cannibalism..

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

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 pros….

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

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

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..

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..

We should be able to support our own economy within our own borders..

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

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

There can be no lasting peace, no security, nor can we as human beings begin to touch our full potential, as long as hunger overwhelms the human spir….

Business must be the solution, not the problem..

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….

I became a vegetarian in 1958 and it was very difficult in those days to really maintain that because there weren't many options... alternatives. But….

Coming back to a television series puts you back in the limelight and gives you a platform for your ideas. If you're not acting on a series, you don'….

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 d….