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Engineering a Transformational Shift to Low-Carbon Economies in the Developing World Washington D C, 20 March, 2013. Transitioning to a lowcarbon future - the world according to STAP! Professor Ralph E H Sims, Massey University, New Zealand [email protected] Aim: To provide an update of recent scientific findings to assist GEF formulate its strategies and priorities for GEF-6, and help the world move towards a lowcarbon, green economy. Co-authors: Ravi Ravindranath Ralph Sims Diana Urge-Vorsatz Milou Beerepoot Rajiv Chaturdevi Lev Neretin Gt Global energy-related CO2 emissions by scenario (IEA WEO, 2012) 45 40 Current Policies Scenario OECD Non-OECD 29% 71% 35 New Policies Scenario 7 Gt 29% 30 15 Gt 70% 25 450 Scenario 20 1990 2000 2010 2020 2030 2035 By 2035, CO2 emissions rise to 44.1 Gt /yr in Current Policies; 37 Gt in New Policies ; but drop to 22.1 Gt in 450 Scenario. Gt Global energy-related CO2 emissions abatement in the 450 Scenario 38 CO2 abatement Activity End-use efficiency Power plant efficiency Electricity savings Fuel and technology switching in end-uses Renewables Biofuels Nuclear CCS Total (Gt CO2) New Policies Scenario 36 34 32 30 28 26 24 450 Scenario 22 20 2010 2015 2020 2025 2030 2020 2035 2% 2% 18% 13% 3% 2% 50% 27% 2% 3% 15% 23% 2% 4% 5% 8% 4% 17% 3.1 15.0 2035 Energy efficiency reduces CO2 emissions by 6.4 Gt in 2035 but share falls by 2035 as more renewables and CCS are used. Structure of the Report Chapter 1. The GEF – a financial mechanism for the UNFCCC. 2. Need for urgent mitigation and adaptation actions. 3. UNFCCC agreement on <2’C and stabilization targets 4. Energy efficiency technologies for mitigation. 5. Renewable energy systems, policies and measures. 6. Urban systems, transport and infrastructure. 7. New technologies with large mitigation potential: Short-lived climate forcers Agriculture, forests, other land use / REDD+ Geoengineering Carbon dioxide capture and storage Nuclear energy. 8. Transformational shifts and the role of the GEF. Estimated economic GHG emission reduction potentials by sector and region in 2030 (IPCC, AR4 2007). The GEF report confirms there are many technology opportunities to reduce GHG emissions across all sectors, but they will require substantial resources, innovative means, and sustainable development. The recommended focus for the new GEF Strategy towards a green economy • Undertake an optimization approach to provide systemic solutions rather than support single technologies. • Support more complete systems that encompass a combination of climate mitigation and adaptation measures across the key focal areas. • “Green Cities” (including building designs and improved transport systems) and “Smart Food Systems” (including water, land, energy and climate), are systemic themes highlighted in the report. • Key messages The severity of climate change impacts will continue to impact on the delivery of global environmental benefits across all focal areas. The GEF should: • adopt strategies to screen for climate risks using appropriate indicators and incorporate resilience enhancement measures in all of its programs; • focus on optimization of systems by supporting countries leading the technology transition rather than concentrating on single technologies; • support countries by identifying options for achieving transformational shifts and “leapfrogging” opportunities towards low-C pathways; Key messages (continued) • • • • encourage sustainable food supply systems integrated with energy use, water use, nutrient cycling, climate resilience; respond to climate change in urban systems by combining approaches to land use planning, buildings, transport, water supply, waste treatment, food security, chemical management, biodiversity and coastal management; support policies, measures and practices at the local government level that can engage with citizens on the climate change challenge and the need to adapt. adopt the AFOLU approach to land use change, forests, soil carbon, methane emissions etc. Overall, the GEF should assist recipient countries to assess, select and evaluate: technologies, policies, measures, regulations, financial incentives and needs, technology transfer mechanisms and their institutional capacity, in order to enable them to rapidly make transformational shifts to a low-carbon pathway consistent with national sustainable development goals. IPCC 5th Assessment Report Working Group I: Climate science report end of 2013 Working Group II: Adaptation report early 2014 Working Group III: Mitigation report mid 2014 Synthesis report: report late 2014. What‘s new since AR4 in 2007? Social system uncertainties WG III Mitigation WG I Climate science Natural system uncertainties Choosing among climate policies is intrinsically an exercise in risk management WG II Adaptation due to the interacting sources of uncertainty. Hence AR5 will deal with interactions of sources of uncertainty. Part III: IPCC - Mitigation Policies & Institutions Part I: Framing Present and IAMs Part II: Transformation pathways Some cross-cutting issues: Bioenergy – annex in Agriculture. Life-cycle analysis – annex to report. Costs and potentials ($/t CO2-eq). Co-benefits and risks. Behavioural issues. Sustainable development impacts. Top down scenarios versus bottom up analyses – over 1000 scenarios considered. President Franklin D. Roosevelt