RT null T1 UNEP/GPA/IGR.4/3 Policy guidance for implementation of the Global Programme of Action for the Protection of the Marine Environment from Land-based Activities in the period 2016 – 2021 Advance copy.PDF A1 United Nations Environment Programme, YR 2017 FD 2017 LK https://wedocs.unep.org/handle/20.500.11822/21768 UL https://wedocs.unep.org/handle/20.500.11822/21768 DS UN Environment Document Repository RD Sep 22, 2026