"Marine problems: Pollution" The World Wildlife Fund 80 percent Pollution 12 percent The World Wildlife Fund The seas Find out more 36 percent 80 percent of marine litter "Marine problems: Pollution" World Wildlife Foundation “as waste and runoff from cities and industry.” 80% of marine pollution comes from land activities Wild Seafood pollution ocean pollution source The World Wildlife Fund Pollution séptimo continente pollution 80% of marine pollution 80% of marine pollution pollution "Marine problems: Pollution" More than 80% 80% of marine pollution comes from land activities pollution Pollution "Marine problems: Pollution" ocean pollution 80 percent of marine litter 80% of marine pollution comes from land activities World Wildlife Foundation «Marine problems: Pollution» Marine Pollution “as waste and runoff from cities and industry.” World Wildlife Foundation "Marine problems: Pollution" source World Wide Fund for Nature ocean pollution at an all-time high Marine Problems: Pollution Over 80% of marine pollution source enormous consequences «Marine problems: Pollution» one reason why this is problematic pollution glass, polystyrene, aluminium, paper and other litter “as waste and runoff from cities and industry.” pollution ocean pollution Marine problems: Pollution Marine Problems: Pollution WWF