RT null T1 Towards a Better Understanding of Plastics and Microplastics in the Ocean and Sea-based Sources of Marine Litter T2 Towards a better understanding of plastics and microplastics in the ocean and sea-based sources of marine litter A2 Kershaw, Peter K1 plastic waste K1 marine pollution K1 ocean YR 2019 FD 2019-11 LK https://wedocs.unep.org/handle/20.500.11822/31821 UL https://wedocs.unep.org/handle/20.500.11822/31821 DS UN Environment Document Repository RD Sep 18, 2026