SELENE - Light Pollution

Light Pollution The Costs of Poorly Implemented Outdoor Lighting

Light Pollution Purpose of Lighting What is Light Pollution? Light Pollution's Effects How to Stop Light Pollution What's Stopping Us?

Purposes of Lighting
Safety
Security
Navigation
Decoration
Advertising

Light Pollution What is it?

Light Pollution - What is it?
Glare
Uplight
Light Trespass
Overlighting
Inefficiency

Light Pollution is Glare

Light Pollution is Uplight

Light Pollution is Trespass

Light Pollution is Overlighting

Light Pollution is Inefficiency

Light Pollution Why is it bad?

Why is Light Pollution Bad? Safety Security Social Waste Pollution Health Effects Ecological Effects

Light Pollution - Safety
Reduced visual acuity
Recovery time
Overlighting

Light Pollution - Security
Reduces fear
Reduces crime ??

Light Pollution - Social
Neighbor-neighbor tension
Resident complaints
Extreme behaviors

Light Pollution - Waste
30% of light wasted
$5,000,000,000+ per year wasted

Light Pollution - Pollution
Every kilowatt used causes release of:
1.3 pounds CO2
2 grams sulfur dioxide
1.6 grams nitric oxide
62 billion kWh = 40 million tons of CO2
= 1.4 million tons SO2
= 1.1 million tons NO
selene-ny.org/lightcost.asp

Light Pollution - Human Health
Air pollution related problems
Melatonin suppression
Sleep disruption

Light Pollution - Animals
Birds
Amphibians
Fish
Insects

Light Pollution - Plants
Water quality
Trees
Plants

Light Pollution What can be done?

Light Pollution - What can we do?
Technical Requirements
Implementation

Light Pollution - Technical
Proper shielding

www.darkskysociety.org/handouts/blbn.pdf

Proper shielding
Light Pollution - Technical
Amount of light
www.darksky.org/infoshts/is077.html
Curfews
Lamp type
Don�t light

Light Pollution - Implementation
Master plan
Zoning/Planning Board policy
Local law/ordinance
State law

Light Pollution What's holding us back?

Light Pollution - Impediments
Lack of education
Vested and ulterior interests
"We've always done it that way"
Poorly written laws and policies

More information
www.selene-ny.org
www.darksky.org
www.darkskysociety.org

SELENE - Light Pollution

by selene.org on May 05, 2009

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SELENE - Light Pollution Presentation Transcript