Depending on how quickly you get ocean rise, you have people who live in river deltas [at risk]. Bangladesh is largely a river delta, and the rising sea level means that when storms come in, the human sanitation is backing up, the ability to farm, it's destructive-type situations like you saw in New Orleans with Katrina. You're increasing the frequency of that stuff in low-lying areas fairly dramatically.

Our success has really been based on partnerships from the very beginning.

This is a fantastic time to be entering the business world, because business is going to change more in the next 10 years than it has in the last 50.

There are several hundred people who stayed in the Ebola-affected countries and continued to do the work, put themselves at great risk because medical workers are the most likely to be infected because they're helping out when the person's health is deteriorating, including quite a bit of bleeding as they're getting very, very sick.

If you're taking care of your family and society and are comfortable you can start to think about helping those most in need globally. That's how we became engaged in those things.

I'm not somebody who goes to church on a regular basis. The specific elements of Christianity are not something I'm a huge believer in.

We've got to put a lot of money into changing behavior.