As East Africa gets hotter and drier livestock are increasingly being grazed inside wildlife reserves. Inevitably this leads to predation by big cats. What does the future hold for the pastoralists, wildlife and the say of life of the Samburu? Monty Don explores this increasingly difficult issue with a field report from Samburu where a severe drought is taking its toll. Climate change predictions show that conditions will get worse and wildlife experts discuss the challenges ahead for nature and people.