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.

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.

People need open space. People need to bring their children into an area where they can play without restriction." And I was told, "This is development." And I said, "That is not development, definitely not sustainable development, definitely not responsible development. People need fresh air. They can do without buildings. They can do without concrete. But they cannot do without fresh air.

In Kenya women are the first victims of environmental degradation, because they are the ones who walk for hours looking for water, who fetch firewood, who provide food for their families.

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.

It is important to nurture any new ideas and initiatives which can make a difference for Africa.

An individual citizen cannot protect himself from the powers of large corporations or external governments. It is the responsibility of the government to protect its citizens.