RT null T1 Input by Switzerland for the Second Substantive Session of the Ad hoc Open-ended Working Group established pursuant to General Assembly resolution 72/277 A1 Switzerland, K1 environmental law YR 2019 FD 2019 LK https://wedocs.unep.org/handle/20.500.11822/27626 UL https://wedocs.unep.org/handle/20.500.11822/27626 DS UN Environment Document Repository RD Sep 23, 2026