RT null T1 Chair’s summary of the work of the ad hoc open-ended expert group on marine litter and microplastics for consideration by the United Nations Environment Assembly at its fifth session A1 United Nations Environment Programme, YR 2021 FD 2021-01 LK https://wedocs.unep.org/handle/20.500.11822/34635 UL https://wedocs.unep.org/handle/20.500.11822/34635 DS UN Environment Document Repository RD Sep 20, 2026