RT null T1 GEO-6 Key messages A1 United Nations Environment Programme, YR 2019 FD 2019-06-18 LK https://wedocs.unep.org/handle/20.500.11822/28458 UL https://wedocs.unep.org/handle/20.500.11822/28458 DS UN Environment Document Repository RD Sep 19, 2026