You can't just do one of the things, because it won't be enough to combat the climate change that we're already starting to experience. It will only get worse.

You cannot be quiet about things that you know.

We, who have so much, must do more to help those in need. And most of all, we must live simply, so that others may simply live.

The two most abundant forms of power on earth are solar and wind, and they're getting cheaper and cheaper.

We run around so much - with the best intentions: I want to save the rain forest. I've gotta clean up the oceans. I've gotta save the dolphins. All worthy efforts, but if you're not centered and you don't have the serenity in your life you need to accomplish that task, you're not going to do a very good job.

If you're not buying recycled products, you're not really recycling.

I'm a strong proponent of green tech for anyone who can afford it, having spent the last 40 years working toward achieving a smaller and smaller eco-impact for myself.