SELENE - Light Pollution
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Light Pollution
The Costs of Poorly Implemented Outdoor Lighting
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Light Pollution
Purpose of LightingWhat is Light Pollution?Light Pollution's Effects
How to Stop Light PollutionWhat's Stopping Us?
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Purposes of Lighting
•Safety•Security•Navigation•Decoration•Advertising
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Light PollutionWhat is it?
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Light Pollution - What is it?
•Glare•Uplight•Light Trespass•Overlighting•Inefficiency
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Light Pollution is Glare
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Light Pollution is Glare
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Light Pollution is Uplight
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Light Pollution is Uplight
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Light Pollution is Trespass
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Light Pollution is Trespass
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Light Pollution is Overlighting
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Light Pollution is Inefficiency
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Light Pollution
Why is it bad?
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Why is Light Pollution Bad?
SafetySecuritySocialWaste
PollutionHealth Effects
Ecological Effects
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Light Pollution - Safety
•Reduced visual acuity•Recovery time•Overlighting
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Light Pollution - Security
•Reduces fear•Reduces crime ??
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Light Pollution - Social
•Neighbor-neighbor tension•Resident complaints•Extreme behaviors
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Light Pollution - Waste
•30% of light wasted•$5,000,000,000+ per year wasted
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•62 billion kWh = 40 million tons of CO2
= 1.4 million tons SO2 = 1.1 million tons NO
Light Pollution - Pollution
•Every kilowatt used causes release of:•1.3 pounds CO2•2 grams sulfur dioxide•1.6 grams nitric oxide
selene-ny.org/lightcost.asp
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Light Pollution - Human Health
•Air pollution related problems•Melatonin suppression•Sleep disruption
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Light Pollution - Animals
•Birds•Amphibians•Fish•Insects
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Light Pollution - Plants
•Water quality•Trees•Plants
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Light Pollution
What can be done?
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Light Pollution - What can we do?
•Technical Requirements•Implementation
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Light Pollution - Technical
•Proper shielding
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www.darkskysociety.org/handouts/blbn.pdf
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•Proper shielding•Amount of light
Light Pollution - Technical
www.darksky.org/infoshts/is077.html
•Curfews•Lamp type•Don�t light
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Light Pollution - Implementation
•Master plan•Zoning/Planning Board policy•Local law/ordinance•State law
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Light Pollution
What's holding us back?
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Light Pollution - Impediments
•Lack of education•Vested and ulterior interests•"We've always done it that way"•Poorly written laws and policies
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More information
•www.selene-ny.org•www.darksky.org•www.darkskysociety.org