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
'I'm a living manifestation of possibility': South Africa's emissary on disability
Eddie Ndopu defied expectations as the first African with a disability to graduate from Oxford. Now he wants to be the first wheelchair user in space