Ocean Pollution in 2026 Plastic Waste Nutrient Runoff Oil Chemicals and Solutions
Ocean pollution comes from land-based plastic waste, nutrient runoff, wastewater, lost fishing gear, oil, chemicals and other sources. UNEP estimates 19–23 million tonnes of plastic waste leak into aquatic ecosystems each year. This guide explains the major threats, how pollution harms marine ecosystems and which prevention and cleanup strategies have the strongest practical value.