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

When I was a kid, we never heard of smog, ozone depletion, acid rain, green house gasses.

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

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.

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

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