Glossary term(s): ecosystem preservation fertilizer pollution Summary: By 2020, pollution, including from excess nutrients, has been brought to levels that are not detrimental to ecosystem function and biodiversity. Explore content Indicator 8.2: Trends in ecosystems affected by pollution Terms: ecosystem, pollution Specific Indicator 8.2.1: Water Quality Index for Biodiversity Indicator 8.3: Trends in pollutants Terms: hazardous substance Specific Indicator 8.3.6: Index of Coastal Eutrophication (ICEP) and Floating Plastic Debris Density Specific Indicator 8.3.7: Mortality rate attributed to household and ambient air pollution Specific Indicator 8.3.8: Mortality rate attributed to unsafe water, unsafe sanitation and lack of hygiene (exposure to unsafe WASH services) Specific Indicator 8.3.9: Mortality rate attributed to unintentional poisoning Specific Indicator 8.3.1: Trends in emissions, NOX Specific Indicator 8.3.2: Trends in emissions, SOX Specific Indicator 8.3.3: Trends in emissions, POPs Specific Indicator 8.3.4: Trends in mercury emissions Specific Indicator 8.3.5: Trends in pesticide use Indicator 8.4: Trends in nutrient levels Terms: fertilizer Specific Indicator 8.4.3: Trends in global surplus of nitrogen Specific Indicator 8.4.1: Trends in nitrogen deposition Specific Indicator 8.4.5: Percentage of wastewater safely treated (6.3) Specific Indicator 8.4.4: Proportion of bodies of water with good ambient water quality (6.3) Specific Indicator 8.4.2: Trends in loss of reactive nitrogen to the environment Indicator 8.1: Trends in extinction risk and populations driven by pollution Terms: pollution, threatened species Specific Indicator 8.1.1: Red List Index (impacts of pollution)