23:32Pick of the WorldClimate change versus social mediaBBC World Service Duration: 18 minutes Sun 20th Nov 2022, 23:32 on BBC World Service AustralasiaAvailable for over a yearListen nowClimate change, the biggest issue we all face that no-one wants to talk about? Plus, the brain surgeon who only thinks about his mistakes - and what makes you nostalgic?GenresFactualBrandPick of the World Source: BBC Online