The issue of carbon is one area where we really need to work together and if people don't have the technology they need, that technology needs to be made available and affordable.

We tend to put the environment last because we think the first thing we have to do is eliminate poverty and send children to school and provide health.

Now when Nile perch was introduced [into Lake Victoria], I don't think enough research was done; maybe it was done, maybe it was not. But Nile perch is a huge fish. So it ate all the little fish, and it grew into a monster which the local people could not fish with their little boats and their little nets.

What a friend we have in a tree, the tree is the symbol of hope, self improvement and what people can do for themselves.

In Kenya, one of our biggest exports is coffee. Where do you grow coffee? You grow coffee in the land. To be able to grow coffee you need rain, you need special kinds of soils that are found on hillsides, and that means you have to protect that land from soil erosion so you don't lose the soil. You also want to make sure that when the rains come you're going to be able to hold that water and have it go into the ground so that the streams and the rivers keep flowing and the ground is relatively humid for these plants.

That's the way I do things when I want to celebrate, I always plant a tree. And so I got an indigenous tree, called Nandi flame, it has this beautiful red flowers. When it is in flower it is like it is in flame.

Why has there been so much secrecy about AIDS? When you ask where did the virus come from, it raises a lot of flags. That makes me suspicious.