Earth Day 2007

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NET’s 2007 Earth day talk looking at why we need sustainability and what characteristics a sustainable society has.

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Earth Day 2007

  1. 1. Dr. Andrew Wallace PhD
  2. 2. <ul><li>Gaylord Nelson in 1970 </li></ul><ul><ul><li>United States Senator for Wisconsin </li></ul></ul>&quot;The story goes that Earth Day was conceived by Senator Gaylord Nelson after a trip he took to Santa Barbara right after that horrific oil spill off our coast in 1969. He was so outraged by what he saw that he went back to Washington and passed a bill designating April 22 as a national day to celebrate the earth.“ Santa Barbara Community Environmental Council.
  3. 3. <ul><li>22 April 1970 </li></ul><ul><ul><li>20 million people </li></ul></ul><ul><li>Now </li></ul><ul><ul><li>500 million people </li></ul></ul><ul><ul><li>175 countries </li></ul></ul>
  4. 4. <ul><li>To inspire awareness of and appreciation for the Earth's environment </li></ul>
  5. 5. <ul><li>The other Earth Day: </li></ul><ul><ul><li>21 March </li></ul></ul><ul><ul><li>UN </li></ul></ul>&quot; May there only be peaceful and cheerful Earth Days to come for our beautiful Spaceship Earth as it continues to spin and circle in frigid space with its warm and fragile cargo of animate life. “ United Nations Secretary-General U Thant, March 21, 1971
  6. 6. <ul><li>What’s the problem? </li></ul><ul><li>Why? </li></ul><ul><li>A sustainable society </li></ul>
  7. 7. <ul><li>Global Warming </li></ul><ul><ul><li>Climate change </li></ul></ul><ul><li>Peak Oil </li></ul><ul><li>Ecological foot print </li></ul>
  8. 10. <ul><li>How do we know? </li></ul><ul><ul><li>Ice core records </li></ul></ul><ul><ul><li>Pollen </li></ul></ul><ul><ul><li>Insects </li></ul></ul><ul><ul><li>Glaciers </li></ul></ul>
  9. 11. <ul><li>What will happen in the future? </li></ul><ul><ul><li>Glacier retreats </li></ul></ul><ul><ul><li>Ice shelf melting </li></ul></ul><ul><ul><li>Sea level rising </li></ul></ul><ul><ul><li>More severe weather storms </li></ul></ul><ul><ul><li>Droughts </li></ul></ul>
  10. 14. <ul><li>Why does it matter? </li></ul><ul><ul><li>Plastics </li></ul></ul><ul><ul><li>Fuel </li></ul></ul><ul><ul><li>Transport </li></ul></ul><ul><ul><li>Pesticides </li></ul></ul><ul><ul><li>Food </li></ul></ul><ul><ul><li>Medication </li></ul></ul><ul><ul><li>Civilisation as we know it! </li></ul></ul>
  11. 15. <ul><li>No know single replacement </li></ul><ul><ul><li>Wind </li></ul></ul><ul><ul><li>Nuclear </li></ul></ul><ul><ul><li>Water </li></ul></ul><ul><ul><li>Solar </li></ul></ul><ul><ul><li>Bio fuels </li></ul></ul>
  12. 16. <ul><li>How much land and water do we need to support ourselves? </li></ul><ul><li>How many people? </li></ul><ul><li>What sort of life style do we have? </li></ul>
  13. 18. <ul><li>Energy Consumption in kilograms of oil equivalent (kgoe) per person per year per country (2001 data). </li></ul>
  14. 19. CO2 per capita per country
  15. 20. Bolivia Deforestation
  16. 21. <ul><li>Why do we have the problems we have? </li></ul><ul><li>Why do we have global warming? </li></ul><ul><li>Why do we have a problem with the oil? </li></ul><ul><li>Why do we have a problem with our eco-footprint? </li></ul>
  17. 22. <ul><li>CO2 and other green houses gasses </li></ul><ul><li>Need for land </li></ul><ul><li>Need to keep our economy going </li></ul>
  18. 23. <ul><li>Government </li></ul><ul><li>People </li></ul><ul><li>Groups and organisations </li></ul><ul><li>Rules and regulations </li></ul><ul><li>International connections </li></ul>
  19. 24. <ul><li>All these things, groups, people, organisations all interact </li></ul><ul><li>We have no one centralised control mechanism </li></ul><ul><li>What we get comes as a by-product of the way things interact </li></ul><ul><li>That includes global warming, peak oil and our eco-foot print! </li></ul>
  20. 25. <ul><li>What characteristics would a sustainable society have? </li></ul><ul><li>Population? </li></ul><ul><li>Production? </li></ul><ul><li>Agriculture? </li></ul>
  21. 26. <ul><li>More and more people means more and more people to feed </li></ul><ul><li>More and more goods to produce </li></ul><ul><li>More and more roads to make </li></ul>
  22. 27. <ul><li>A sustainable society would need to maintain a constant population level </li></ul><ul><li>Balance its production demand </li></ul><ul><li>Reduce demand </li></ul><ul><li>Reuse </li></ul><ul><li>Recycle </li></ul><ul><li>Localise </li></ul>

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