Cleaning up the world’s oceans03/22/2016March 22, 2016The world’s oceans are under threat and plastic waste is the culprit. Some of the trash is buried so deep it can be almost impossible to Access.https://p.dw.com/p/1IHWqImage: Fotolia/sablinAdvertisement Now German researchers have found a way of pumping it to the surface so it can be removed.