Carbon is the currency of how you measure climate change, but water will be the teeth.

Why is it that when it comes to our most cherished social goal [health care], we not only tolerate poor execution, sometimes we even celebrate it?

A lot of young people dont think they can make a difference. Thats really what I am at Dartmouth to do. Im there to tell the young people, Look, a few committed souls can change the world.

We will never end poverty if we don't tackle climate change.

We have to find climate-friendly ways of encouraging economic growth. The good news is we think they exist.

Carbon is the currency of how you measure climate change, but water will be the teeth.

Today there are a lot places where people say they're just hopeless. If I can come from a hopeless country, get an education, become a hyphenated American and become president of the World Bank, it's my moral duty to make sure that every single person on the planet has that opportunity.