RT Generic T1 Global Environment Outlook Scenario Framework: Background Paper for UNEPs Third Global Environment Outlook Report (GEO-3) A1 United Nations Environment Programme, K1 environmental assessment K1 air quality K1 ozone layer K1 greenhouse gas emission K1 renewable energy K1 water quality K1 drinking water K1 sanitation K1 marine area K1 land access K1 waste management K1 environmental financing K1 disaster risk K1 corruption K1 circular economy K1 env PB United Nations Environment Programme SN 92-807-2461-4 YR 2004 FD 2004 LK https://wedocs.unep.org/handle/20.500.11822/8521 UL https://wedocs.unep.org/handle/20.500.11822/8521 NO UNEP's Global Environment Outlook (GEO) series provides a comprehensive assessment of the state of the global environment, a review of policy responses and an outlook on the future. This report introduces the scenario approach, a means of illuminating challenges and appropriate responses toward the achievement of certain development pathways based upon current conditions and driving forces. DS UN Environment Document Repository RD Sep 19, 2026