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.

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.

Nile perch is a fish that was introduced into Lake Victoria. The reason that fish was introduced into Lake Victoria was because it was decided that the people living near the lake needed more proteins than they were getting.

It gradually became clear that the Green Belt Movement's work with communities to repair the degraded environment could not be done effectively without participants embracing a set of core spiritual values.

Women are responsible for their children, they cannot sit back, waste time and see them starve.

I have seen a lot of men, for example, who will make a will and include their daughters whether they are married or not. And perhaps the greatest change of attitude is that today, at least in Kenya, if you don't send your child to school - unless it's a matter of poverty or religion, and it is not that there no schools - then people wonder, "why the hell don't you send your children to school?" Now that's a very big jump from when I was going to school and educating girls was an exception to the rule.

Recognizing that sustainable development, democracy and peace are indivisible is an idea whose time has come... Today we are faced with a challenge that calls for a shift in our thinking, so that humanity stops threatening its life-support system. We are called to assist the Earth to heal her wounds and in the process heal our own - indeed, to embrace the whole of creation in all its diversity, beauty and wonder.