RT null T1 UNESCO Statement at the Stockholm+50 Preparatory meeting on March 28 [2022] A1 United Nations Educational, Scientific and Cultural Organization K1 environmental protection YR 2022 FD 2022-03 LK https://wedocs.unep.org/handle/20.500.11822/39647 UL https://wedocs.unep.org/handle/20.500.11822/39647 DS UN Environment Document Repository RD Sep 22, 2026