The little grassroots people can change this world.

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.

I think some of these solutions are prepared in an office without a full understanding of the local situation.

One of the reasons why we started the Green Belt Movement is to work with these ordinary peasant farmers so as to educate them that, despite the fact that they are poor, it is in their interest to protect the soil that they have, to protect the forest they have, to protect the land that they have, because if they don't do it, things can be only worse tomorrow for them for them and for their children.

Anybody can dig a hole and plant a tree. But make sure it survives. You have to nurture it, you have to water it, you have to keep at it until it becomes rooted so it can take care or itself. There are so many enemies of trees.

First of all, farmers should work with universities and research institutions in the country, and hopefully with the government.

One of the reasons why I've written The Challenge for Africa is to save it. Surely there are so many problems we can solve in Africa, but first and foremost, we need a government that feels responsible to protect their own people from the exploitations, from the misuse, from the mistreatment that they can easily get.