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: coming soon
In a new series of podcasts from the Guardian, every month Madeleine Bunting explores the key issues affecting billions of people across the developing world