The American government has spent a lot of money trying to reclaim, for example, the Everglades, and to allow the natural vegetation at the coastal areas to be restored because that was part of the vegetation that actually protected the hinterlands.

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.

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.

I'm sure the government of Qatar is not coming in to grow food for the people of Kenya; it's coming to grow food to sell. If it can also sell to the people of Kenya, well, then good. I think that the moves can be helpful, but I think that the history that Africa knows, as I say in my book, has been a history of exploitation.

All of us have a God in us, and that God is the spirit that unites all life, everything that is on this planet. It must be this voice that is telling me to do something, and I am sure it's the same voice that is speaking to everybody on this planet - at least everybody who seems to be concerned about the fate of the world, the fate of this planet.

What is really important is to educate people how to protect themselves and how to ensure that, despite their poverty, they can get tested and access drugs. So I just hope that those who can will make those drugs available.

The government of Qatar, as I mentioned, has proposed to come and lease Kenya's Tana River delta in order to farm there. What I am not sure of is, has an environmental impact assessment been made to ensure that exploiting this delta for agricultural activities is the best way we can use the delta?We must be concerned about the long-term impact of agricultural activities in the delta.