My favorite form of transportation is walking. I live in a neighborhood where you can walk to restaurants, banks, and shops.

I wanted to be an actor my whole young life. My dad was an actor, obviously - he won an Academy Award, but I had no idea what was involved. I had all the wrong ideas about acting.

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

If you're going to drive a Hummer and buy carbon offsets, that's like getting drunk every night and getting into an AA meeting, throwing money in the basket, and leaving.

There are many different ways now to experience nature. Get out there and hike.

People don't want to change. It's hard for people to change and it's hard for businesses to change. If I was running an oil company, I would be resistant to change too.

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.