Kenya has the highest rate of population growth in the world, and also depends heavily on tourism. Fergus Keeling talks to anthropologist Richard Leakey about how this is affecting the country's wildlife. He also visits a tree nursery owned by the Green Belt
Movement, whose aim is to reclothe Kenya in 'a cloak of green', and comes face to face with a colony of tree hyraxes - reputed to be the nearest living relatives to the elephant. Producer MILES BARTON BBC Bristol
(Re-broadcast next Sunday)