You have to work with the auto industry, the oil companies, you have to work to develop renewable fuel, whether it's solar or different kinds of fuel.

It is important to remember that the ocean's resources are finite. The commitment these kids are making here today is a clear and compelling call to all of us to pay attention to our ocean.

The environmental movement, like all political processes, reacts best to disasters. But these are very slow, very gradual disasters in the making.

There should be a list of people who can and cannot clone themselves.

One person goes off and works in Houston the other person goes off to London and you're on the phone to each other and somebody is paying you to kiss somebody else. It's very bizarre being an actor.

The biggest danger we face is overfishing. We literally could fish out our oceans, some scientists believe, in the next 40, 50, 60 years. We are fishing out the top of the food chain, and it's pretty crucial because about 200 million people depend on fish and fishing for their livelihood, and about a billion people, mostly in poorer countries, depend on fish for their protein. So this is a big problem. Good news is, it's fixable.

My job playing Sam Malone was to let the audience in, to love my bar full of people. And that informed my life. I mean, we're so different [in the cast], some of us. Miles apart. [But] when I see anyone from those days, I tap into that instant love for them.