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Scientific Assessment Report - UNECE Convention on Long-Range Transboundary Air Pollution - Summary for policy makers

… concentrations of ozone, mercury and several persistent organic pollutants in Europe and North America are influenced … year (Source: ICP-Materials). Heavy metals and persistent organic pollutants are known for their toxicity and have … transport of its precursors: NOx, volatile organic compounds (VOC) and methane. Local actions alone will …
21 Jun 2026 Document in Climate and Atmosphere