I learned in America a long time ago, the three R's, the principle of three R's - reuse, reduce, recycle. And as I say those words, there are so many things individually we can do to reduce - we don't need to consume as much as we are consuming. Reduce. And by reusing, we can reuse a lot of things we just throw into the dumpsite. And reduce the production. The more we reuse, the more we can reduce.

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 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.

All through the ages the African people have made efforts to deliver themselves from oppressive forces.

The women of the Green Belt Movement have learned about the causes and the symptoms of environmental degradation. They have begun to appreciate that they, rather than their government, ought to be the custodians of the environment.

It goes to local authorities and even to members of Parliament so that individual citizens almost become people who want to sit and wait for their member of Parliament to come and solve the problem. Now that won't take you anywhere. And if you follow it, you will see that it feeds corruption in the country.

Yet now the industrialized world is moving away from fossil fuels and moving towards renewable sources of energy. And because we have not invested so much into education, we don't have the technology and sometimes we don't even have the capital to buy this technology.