RT null T1 Policy statement by the Executive Director : UNEP/GCSS.XI/2 A1 United Nations Environment Programme, YR 2017 FD 2017-04-20 LK https://wedocs.unep.org/handle/20.500.11822/20319 UL https://wedocs.unep.org/handle/20.500.11822/20319 NO Policy statement by the Executive Director : UNEP/GCSS.XI/2 DS UN Environment Document Repository RD Sep 17, 2026