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.

I know there is pain when sawmills close and people lose jobs, but we have to make a choice. We need water and we need these forests.

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.

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.

The living conditions of the poor must be improved if we really want to save our environment

Every one of us can make a contribution. And quite often we are looking for the big things and forget that, wherever we are, we can make a contribution. Sometimes I tell myself, I may only be planting a tree here, but just imagine what's happening if there are billions of people out there doing something. Just imagine the power of what we can do.

Sometimes I feel frustration at the bureaucracy for not moving fast enough to deliver in the way that I would prefer. But that is probably because I have worked for many years in the civil society, which tends to move much faster than government.