Will Robson investigates how climate change is acting as the catalyst to migration, violent disputes over water and the growth of brutal armed extremists in Africa's Sahel region. Show more
Discover 11,128,835 listings and 279,406 playable programmes from the BBC
Will Robson investigates how climate change is acting as the catalyst to migration, violent disputes over water and the growth of brutal armed extremists in Africa's Sahel region. Show more