A Baka sacred tree at risk from illegal logging
For generations, the Baka pygmies of Cameroon have been totally reliant on the rainforest and its resources.
But their way of life is being threatened by the destruction of the natural habitat.
Now, it is hoped, a ground breaking project using satellite technology, will help the survival of this community of hunter-gatherers, as Fergal Keane reports.
First broadcast 30th January