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.

I ride my bike for transportation a great deal - occasionally I ride it for fun. But I also have a generator bike that's hooked up to my solar battery pack, so if I ride 15 minutes hard on my bike, that's enough energy to toast toast, or power my computer.

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.

We have lots of other problems with plastic in our oceans. There are five different big gyres of plastic out in the ocean. There are problems with air pollution around the country that we need to deal with, and around the world. We have a great many problems to overcome, so I work on a lot of different boards trying to help in those important areas.

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.

California has always led the way on environmental protection and always reaped the benefits, pioneering everything from catalytic convertors on cars to stationary source reduction.