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SELENE - Light Pollution

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The effects of Light Pollution

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SELENE - Light Pollution

  1. 1. Light Pollution The Costs of Poorly Implemented Outdoor Lighting
  2. 2. Light Pollution Purpose of Lighting What is Light Pollution? Light Pollution's Effects How to Stop Light Pollution What's Stopping Us?
  3. 3. Purposes of Lighting <ul><ul><li>Safety </li></ul></ul><ul><ul><li>Security </li></ul></ul><ul><ul><li>Navigation </li></ul></ul><ul><ul><li>Decoration </li></ul></ul><ul><ul><li>Advertising </li></ul></ul>
  4. 4. Light Pollution What is it?
  5. 5. Light Pollution - What is it? <ul><ul><li>Glare </li></ul></ul><ul><ul><li>Uplight </li></ul></ul><ul><ul><li>Light Trespass </li></ul></ul><ul><ul><li>Overlighting </li></ul></ul><ul><ul><li>Inefficiency </li></ul></ul>
  6. 6. Light Pollution is Glare
  7. 7. Light Pollution is Glare
  8. 8. Light Pollution is Uplight
  9. 9. Light Pollution is Uplight
  10. 10. Light Pollution is Trespass
  11. 11. Light Pollution is Trespass
  12. 12. Light Pollution is Overlighting
  13. 13. Light Pollution is Inefficiency
  14. 14. Light Pollution Why is it bad?
  15. 15. Why is Light Pollution Bad? Safety Security Social Waste Pollution Health Effects Ecological Effects
  16. 16. Light Pollution - Safety <ul><ul><li>Reduced visual acuity </li></ul></ul><ul><ul><li>Recovery time </li></ul></ul><ul><ul><li>Overlighting </li></ul></ul>
  17. 17. Light Pollution - Security <ul><ul><li>Reduces fear </li></ul></ul><ul><ul><li>Reduces crime ?? </li></ul></ul>
  18. 18. Light Pollution - Social <ul><ul><li>Neighbor-neighbor tension </li></ul></ul><ul><ul><li>Resident complaints </li></ul></ul><ul><ul><li>Extreme behaviors </li></ul></ul>
  19. 19. Light Pollution - Waste <ul><ul><li>30% of light wasted </li></ul></ul><ul><ul><li>$5,000,000,000+ per year wasted </li></ul></ul>
  20. 20. Light Pollution - Pollution <ul><ul><li>Every kilowatt used causes release of: </li></ul></ul><ul><ul><ul><li>1.3 pounds CO2 </li></ul></ul></ul><ul><ul><ul><li>2 grams sulfur dioxide </li></ul></ul></ul><ul><ul><ul><li>1.6 grams nitric oxide </li></ul></ul></ul><ul><ul><li>62 billion kWh = 40 million tons of CO2 </li></ul></ul><ul><li> = 1.4 million tons SO2 </li></ul><ul><li> = 1.1 million tons NO </li></ul>selene-ny.org/lightcost.asp
  21. 21. Light Pollution - Human Health <ul><ul><li>Air pollution related problems </li></ul></ul><ul><ul><li>Melatonin suppression </li></ul></ul><ul><ul><li>Sleep disruption </li></ul></ul>
  22. 22. Light Pollution - Animals <ul><ul><li>Birds </li></ul></ul><ul><ul><li>Amphibians </li></ul></ul><ul><ul><li>Fish </li></ul></ul><ul><ul><li>Insects </li></ul></ul>
  23. 23. Light Pollution - Plants <ul><ul><li>Water quality </li></ul></ul><ul><ul><li>Trees </li></ul></ul><ul><ul><li>Plants </li></ul></ul>
  24. 24. Light Pollution What can be done?
  25. 25. Light Pollution - What can we do? <ul><ul><li>Technical Requirements </li></ul></ul><ul><ul><li>Implementation </li></ul></ul>
  26. 26. Light Pollution - Technical <ul><ul><li>Proper shielding </li></ul></ul>
  27. 29. www.darkskysociety.org/handouts/blbn.pdf
  28. 30. <ul><ul><li>Proper shielding </li></ul></ul>Light Pollution - Technical <ul><ul><li>Amount of light </li></ul></ul>www.darksky.org/infoshts/is077.html <ul><ul><li>Curfews </li></ul></ul><ul><ul><li>Lamp type </li></ul></ul><ul><ul><li>Don�t light </li></ul></ul>
  29. 31. Light Pollution - Implementation <ul><ul><li>Master plan </li></ul></ul><ul><ul><li>Zoning/Planning Board policy </li></ul></ul><ul><ul><li>Local law/ordinance </li></ul></ul><ul><ul><li>State law </li></ul></ul>
  30. 32. Light Pollution What's holding us back?
  31. 33. Light Pollution - Impediments <ul><ul><li>Lack of education </li></ul></ul><ul><ul><li>Vested and ulterior interests </li></ul></ul><ul><ul><li>&quot;We've always done it that way&quot; </li></ul></ul><ul><ul><li>Poorly written laws and policies </li></ul></ul>
  32. 34. More information <ul><ul><li>www.selene-ny.org </li></ul></ul><ul><ul><li>www.darksky.org </li></ul></ul><ul><ul><li>www.darkskysociety.org </li></ul></ul>

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