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.

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

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

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.

Years ago on the set of Gunsmoke I read the book The Holy Science. Since then I have not eaten meat.

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.

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