When you think of all the conflicts we have - whether those conflicts are local, whether they are regional or global - these conflicts are often over the management, the distribution of resources. If these resources are very valuable, if these resources are scarce, if these resources are degraded, there is going to be competition.

I think what the Nobel committee is doing is going beyond war and looking at what humanity can do to prevent war. Sustainable management of our natural resources will promote peace.

I don't really know why I care so much. I just have something inside me that tells me that there is a problem, and I have got to do something about it. I think that is what I would call the God in me.

There will always be people who think that you have ambitions.

We tend to put the environment last because we think the first thing we have to do is eliminate poverty. But you can't reduce poverty in a vacuum. You are doing it in an environment.

We think that diamonds are very important, gold is very important, all these minerals are very important. We call them precious minerals, but they are all forms of the soil. But that part of this mineral that is on top, like it is the skin of the earth, that is the most precious of the commons.