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?

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

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.

Water and sanitation has not had the same kind of champion that global health, and even education, have had.

There will be water and food fights everywhere.