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.

When you're working on development issues, optimism is not always based on rational analysis, often it is a moral choice.

Unless you invest in people, you are not going to see growth in the long term, the medium term, and maybe even the short term.

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.

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

If we do not act to curb climate change immediately, we will leave our children and grandchildren an unrecognizable planetIt is the poor, those least responsible for climate change and least able to afford adaptation, who would suffer the most.