Perhaps you could say that mountaineers are driven by ego or our competitiveness, but there's a lot more to it than that. Whether it's a huge face in the Himalaya or some crag in the woods behind your house, exploration offers us a unique perspective on the world that you can't really find anywhere else.

Specifically choose not to take a GPS. Just create a challenge. You can climb Everest or walk across Antarctica with minimal gear and still have that sense of adventure. But in terms of exploration, Google Earth has this world mapped down to the square foot.

Climbing, as my grandmother said, it's a pretty frivolous thing. She always wondered when I was going to get a real job. But climbing is a real job for me now, and I enjoy it. It's a gift that I'm able to do it, share adventure and motivation with people.

It's our human nature to explore. Tens of thousands of years ago, our species walked out of Africa, traveling far and wide across the entire planet, from the Arctic to the tip of Tierra Del Fuego, making us the most geographically diversified species on Earth.

Education is very important to my parents and to me.

What is lacking in India are decent social services. The health service is a disaster. Education is a disaster.

I've studied documentarians extensively to come up with my own in-house style. I'm a student of Michael Moore's films, of Eisenstein, Riefenstahl. Leave the politics aside, you have to learn from those past masters on how they were trying to communicate their ideas.

Whether you are talking about cardiac care or education, the fundamental question is: How do you provide it for everyone?