RT Report T1 Marine Litter: Socio-economic Study A1 United Nations Environment Programme, A2 Watkins, Emma A2 ten Brink, Patrick K1 marine pollution K1 consumer education SN 978-92-807-3701-1 YR 2017 FD 2017 LK https://wedocs.unep.org/handle/20.500.11822/26014 UL https://wedocs.unep.org/handle/20.500.11822/26014 NO Marine litter is a pressing and growing global environmental challenge, but also an economic opportunity; preventing marine litter can enable materials and their value to remain in a circular economy. DS UN Environment Document Repository RD Sep 20, 2026