RT null T1 Geology of Ogoniland A1 United Nations Environment Programme, K1 oil and gas industry K1 environmental assessment YR 2011 FD 2011-08 LK https://wedocs.unep.org/handle/20.500.11822/22117 UL https://wedocs.unep.org/handle/20.500.11822/22117 NO This fact sheet highlights the background, methodology and key findings of UNEP’s Environmental Assessment of Ogoniland. NO https://www.unep.org/disastersandconflicts/ DS UN Environment Document Repository RD Sep 23, 2026