RT null T1 Mid-term Evaluation of the UN Environment “Clean Seas Campaign” (Contributing to the Global Partnership on Marine Litter project) A1 United Nations Environment Programme, A2 Tibbett, Steve A2 Smith, Jeremy A2 Coe, Joe K1 plastic K1 marine pollution YR 2019 FD 2019 LK https://wedocs.unep.org/handle/20.500.11822/30929 UL https://wedocs.unep.org/handle/20.500.11822/30929 NO This evaluation looks at the Clean Seas Campaign results, including outcomes, impact, likely impact and campaign performance. It makes suggestions to improve the operational effectiveness of the campaign and of future campaign. NO https://www.unenvironment.org/about-un-environment/evaluation DS UN Environment Document Repository RD Sep 17, 2026