18:50Over to YouSo I Can Breathe: What Difference Did It Make?BBC World Service Duration: 9 minutes Sat 22nd Apr 2017, 18:50 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowA season on how the world is seeking to reduce air pollution. Show more GenresFactualFormatsDiscussion & TalkBrandOver to You Source: BBC Online