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Session 1.3 Introduction to Climate Change Terry Cannon, IIED

Climate Change and Adaptation at Community Level Training of Trainers Nairobi 18-22 May 2009 Supported by Comic Relief. Session 1.3 Introduction to Climate Change Terry Cannon, IIED. Introduction to climate change. What is “weather”? Climate Climate change Dangerous climate change

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Session 1.3 Introduction to Climate Change Terry Cannon, IIED

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  1. Climate Change and Adaptation at Community LevelTraining of TrainersNairobi 18-22 May 2009Supported by Comic Relief

  2. Session 1.3 Introduction to Climate Change Terry Cannon, IIED

  3. Introduction to climate change • What is “weather”? • Climate • Climate change • Dangerous climate change • Greenhouse gases • Sources of GHG; • Human sources; fossil fuels; natural sources • Albedo • snow and ice • Land Use and Land Cover (LULC) change • Mitigation of emissions • Adaptation to climate change

  4. Source: Hadley Centre, Met Office

  5. Projected future regional patterns of warming based on three emissions scenarios (low, medium, and high growth). Source: NASA Earth Observatory, based on IPCC Fourth Assessment Report (2007)

  6. GLOBAL TEMPERATURE RISE High emissions Medium-high emissions Medium-low emissions Low emissions Start to diverge from mid-century Global temperature rise, degrees C Other climate models: 1.5 to 6°C

  7. Greenhouse Gases & Climate Change • Greenhouse gas emissions – type of air pollution involving human & natural sources of: • Water vapour • Carbon Dioxide CO2; • Methane CH4; • Nitrous Oxide N2O; • Ozone • Chlorofluorocarbons CFCs; • Sulphates and aerosols

  8. Cultivation of flowers for export, Lake Naivasha, Kenya. (photo: J. Webb)

  9. Albedo effects of different surfaces

  10. Introduction to climate change Groups 1 and 2 • What is “weather”? • Climate • Climate change • Dangerous climate change • ----------------------------------------------------------------------------------------------- • Greenhouse gases • Sources of GHG; • Human sources; fossil fuels; natural sources • ------------------------------------------------------------------------------------------------------------------------------------- • Albedo • snow and ice • Land Use and Land Cover (LULC) change • ------------------------------------------------------------------------------------------------------------------------ • Mitigation of emissions • Adaptation to climate change Groups 3 and 4 Group 5

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