RT null T1 State of the environment and contribution of the United Nations Environment Programme to meeting substantive environmental challenges: Report of the Executive Director: UNEP/GC.27/3 A1 United Nations Environment Programme, YR 2017 FD 2017-04-26 LK https://wedocs.unep.org/handle/20.500.11822/20414 UL https://wedocs.unep.org/handle/20.500.11822/20414 DS UN Environment Document Repository RD Sep 16, 2026