22:32DiscoveryCleaning Up the OceansBBC World Service Duration: 27 minutes Mon 4th Jul 2016, 22:32 on BBC World Service West and Central AfricaAvailable for over a yearListen nowRoland Pease explores how plastic waste is damaging the marine environment. Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandDiscovery Source: BBC Online