Global Warming

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  • Global Warming

    1. 1. <ul><li>global warming </li></ul>
    2. 2. greenhouse effect http://www.our-energy.com GHGs CO 2 carbon dioxide CH 4 methane N 2 O nitrous oxide PFCs perfluorocarbons HFCs hydrofluorocarbons SF 6 sulfur hexafluoride
    3. 3. the beginning… keeling curve v.1960 http://scrippsco2.ucsd.edu/home/index.php
    4. 4. keeling curve v.2007 http://scrippsco2.ucsd.edu/home/index.php
    5. 5. 50 years of international policy
    6. 6. 2007 UN Climate Change Conference Bali, Indonesia <ul><li>Main Concerns </li></ul><ul><ul><li>cutting emissions </li></ul></ul><ul><ul><li>forests </li></ul></ul><ul><ul><li>adaptation </li></ul></ul><ul><ul><li>technology transfer </li></ul></ul><ul><ul><li>timescales </li></ul></ul>
    7. 7. according to IPCCC (2007) <ul><li>20% to 90% increase in GHG (2000-2030) if current fossil fuel use is maintained </li></ul><ul><li>Warming & sea level rise will continue for centuries after GHG concentrations are stabilized </li></ul>
    8. 8. states take charge <ul><li>State inventories: 93% </li></ul><ul><li>State mitigation plans: 53% </li></ul><ul><li>State/city GHG emission targets: 30% </li></ul><ul><li>If US adopted CA vehicle & fuel programs, we would be 55% of the way to 1990 levels by 2020 </li></ul>(Lutsey & Sperling 2008)

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