Stockholm Convention on Persistent Organic Pollutants

International environmental treaty Stockholm Convention on Persistent Organic PollutantsThe logo of the Stockholm Convention SecretariatTypeUnited Nations treatySigned22 May 2001LocationStockholm, SwedenEffective17 May 2004ConditionNinety days after the ratification by at least 50 signatory statesSignatories152Parties186DepositarySecretary-General of the United NationsLanguagesArabic, Chinese, English, French, Russian, Spanishpops.int Part of a series onPollutionAir pollution from a factory Air Acid rain Air quality index Atmospheric dispersion modeling Chlorofluorocarbon Combustion Exhaust gas Haze Household air pollution Global dimming Global distillation Indoor air quality Non-exhaust emissions Ozone depletion Particulate matter Persistent organic pollutant Smog Soot Volatile organic compound Biological Biological hazard Genetic Illegal logging Introduced species Invasive species Digital Information Effects of violence in mass media Electromagnetic Light Ecological Overillumination Radio spectrum Natural Ozone Radium and radon in the environment Volcanic ash Wildfire Noise Transportation Health effects from noise Marine mammals and sonar Noise barrier Noise control Soundproofing