RT null T1 UNEP Environmental Law Training Manual A1 United Nations Environment Programme, K1 environmental law K1 international law K1 biological diversity K1 nature conservation K1 migratory species K1 endangered species K1 fauna K1 flora K1 environmental agreement K1 law enforcement K1 atmosphere K1 ozone layer K1 climate change K1 water conservation K1 marine environment K1 water resource K1 desertification K1 convention K1 transboundary environmental impact K1 hazardous waste K1 trade agreement K1 environmental impact assessment K1 chemical SN 92-807-I 695-6 YR 1997 FD 1997 LK https://wedocs.unep.org/handle/20.500.11822/30204 UL https://wedocs.unep.org/handle/20.500.11822/30204 DS UN Environment Document Repository RD Sep 24, 2026