15:32DiscoveryCleaning Up the OceansBBC World Service Duration: 27 minutes Tue 5th Jul 2016, 15:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowRoland Pease explores how plastic waste is damaging the marine environment. Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandDiscovery Source: BBC Online