As the earth spins through space, a view from above the North Pole would encompass most of the wealth of the world - most of its food, productive machines, doctors, engineers and teachers. A view from the opposite pole would encompass most of the world's poor.

After all, despite the economic advantage to firms that employed child labor, it was in the social interest, as a national policy, to abolish it - removing that advantage for all firms.

All of the clean technologies are known, it's a question of simply applying them.

In certain ways, I'm not very different than I was when I was a teenager.

I'm not a prophet. I'm not a teacher. I have no degrees. My degree is from the University of Life.

My wife and I believe that there's nothing we do together as a community that's more important than education.

I weren't an actor, I'd be a wildlife biologist or forest ranger.

I've been working with the National Lung Health Education Program to raise awareness about Chronic Obstructive Pulmonary Disease.