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
'Disability is not the end of the world': reinventing yourself after becoming blind
Activist Christophe Oulé had a glittering career in engineering in Burkina Faso when he lost his sight. Now he campaigns tirelessly to improve the lives of other blind people. He talks to Lucy Lamble