RT null T1 The Effort of Japanese NGO in Addressing Marine Litter, Including Microplastics A2 Kaneko, Hiroshi K1 marine pollution YR 2017 FD 2017-09 LK https://wedocs.unep.org/handle/20.500.11822/26517 UL https://wedocs.unep.org/handle/20.500.11822/26517 DS UN Environment Document Repository RD Sep 19, 2026