Guardian Seascapes reporter Karen McVeigh tells Madeleine Finlay about a recent trip to the Galápagos Islands, where mounds of plastic waste are washing up and causing problems for endemic species. Tackling this kind of waste and the overproduction of plastic were the topics on the table in Ottawa this week, as countries met to negotiate a global plastics treaty. But is progress too slow to address this pervasive problem?. Help support our independent journalism at theguardian.com/sciencepod