Unfortunately, the issues of climate change, unlike many other issues, are very subtle because the changes we observe are very, very subtle.

One of the reasons why I say we all need to work together to save the Congo forest, because if we don't save the Congo forest, the Amazon forest and the southeast Asia forest, if those forests release the carbon they are trapping at the moment, much of what you will be doing in the North will be negated by the amount of carbon released into the atmosphere.

Nile perch is a fish that was introduced into Lake Victoria. The reason that fish was introduced into Lake Victoria was because it was decided that the people living near the lake needed more proteins than they were getting.

The little grassroots people can change this world.

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.

I was particularly talking with respect to aid, because that to me is one area that can make people so dependent, and unfortunately, that dependency starts with the government.

Passion begins with a burden and a split-second moment, when you understand something like never before. That burden is on those who know. Those who don't know are at peace. Those of us who do know get disturbed and are forced to take action.