Small Changes is a podcast series of one-on-one interviews with people who've seen a problem in the world and set out to change it – often in small and unexpected ways
https://www.theguardian.com/global-development/series/global-development-podcast
Global development podcast: what does the future hold for southern Sudan?
On 9 July, southern Sudan will become an independent state. What are the development challenges and opportunities facing the new country?