Global Warming

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  • Global Warming

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

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