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Global Warming
 

Global Warming

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Global Warming Global Warming Presentation Transcript

  • Global Warming
  • Agenda
    • What is Global Warming
    • Greenhouse effect interactivity
    • The Evidence
    • The Effects
    • How can you help?
  • What is global warming ?
    • Global warming or climate change is the gradual increase of the average temperature of the Earth
    • The average temperature of the Earth's surface is around 59˚F or 13 ˚C.
    • Greenhouse Gases in the atmosphere hold in heat
        • Without these gases, the Earth’s surface temperature would drop to around 0 ˚F.
  • The Atmosphere
    • The Earth is surrounded by a thin layer of gases
        • Oxygen
        • Carbon Dioxide
        • Nitrous Oxide
        • Methane
    Greenhouse gases
  • Atmosphere
    • Supplies gases required for life
        • Oxygen
        • Carbon dioxide
    • Offers protection from the sun’s ultraviolet radiation
    • Helps control Earth’s temperature by trapping solar energy next to the surface
  •  
  • The Evidence Before and after pictures of Montana’s disappearing glaciers
  • The Effects
    • Water levels will rise in oceans
    • The timing of the seasons will change
    • Increased spread of disease
    • Stronger hurricanes and storms
    • Animals change behavior
    • More plant and animal species will become extinct
    • Allergies get worse
  • How can you help?
    • Use fluorescent lighting in your home
    • Drive a hybrid car
    • Use alternative energy sources for electricity and heat
    • Green roofs
  • Green roof Back Back to TOC Next
  • Endangered species
    • U.S. Fish and Wildlife Service Endangered Species List
    • Center for Biological Diversity
    • THANK YOU