The question is simple. The answers are not. The BBC's Africa correspondent Mark Doyle crosses the continent to explore the causes and consequences of African poverty – and possible ways to alleviate it.
FIRST HALF
Conflicts - between Africans, with non-Africans and sometimes with the land itself - continue to make Africa the poorest continent on the planet. In this documentary produced for the BBC World Service, Mark Doyle looks at the impact foreign investors have on countries such as Liberia and Sudan.
SECOND HALF
If poverty in Africa can be explained, perhaps it can also be tackled. The BBC's Mark Doyle looks at ways Africa's stunning poverty rate could be reversed.
THE CHANGING WORLD is the sister documentary series of PRI's The World. Each week, we offer American radio listeners two in-depth documentaries from the BBC World Service that probe issues critical to our understanding of our evolving world.