In a culture where having a big family is a sign of wealth, it is very difficult to stem the population explosion that is threatening these countries' development and their inhabitants' health.
Five years after the discovery of a major offshore oilfield, people in Ghana are still banking on better times ahead. But foreign companies -- notably those from China -- are also poised to cash in. A visit to the rapidly expanding city of Sekondi-Takoradi, at the center of it all.
Famous for its chocolate production, Switzerland relies on Ghana for half its supply of cocoa beans, even as the West African nation now focuses on other export products. A new public-private Swiss partnership aims to inject new life into cocoa bean farming.