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Light Pollution: Impacts and Solutions

Explore the consequences of light pollution on human health, ecosystems, and energy waste. Learn about the effects on animals and disruption of ecosystems, and discover solutions to combat light pollution through adjusting lighting intensity and supporting organizations.

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Light Pollution: Impacts and Solutions

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  1. WHAT CONSEQUENCES EFFECTS Photo pollution/ Luminous pollution

  2. Excessiveartificiallight increased brightness • The International Dark-Sky Association (IDA) adverse effect : • sky glow • glare • light trespass • light clutter • Decreased visibilyty • Energy waste

  3. Indoor = lighting in houses or apartments (North America, Europe, Japan, Middle East, North Africa) • Outdoor (main pollutants): • more necessary (roadside lamps, traffic lights, vehicle lights, road sign lights, emergency vehicle lights...) • Less necessary (store, commercial sign lights, the lights that enlight statues and buildings...)

  4. Energy waste light bulbs energy resource deficiency wars dishwashers energy crysis save energy: energy saving washing machines refrigerators

  5. sky observing interference telescope efficiency dark sky La Silla observatory in Chile 6 hundred kilometres away from light Hinder to acquire knowledge

  6. Types of pollution • Light trespass • Glare: • Blinding glare • Disability glare • Discomfort glare • Light clutter • Sky glow

  7. Human health Fluorescent lighting  elevate blood pressure by 8 points, increased stress & fatigue worker errors over-illuminating and bad planning of lighting (not light pollution)

  8. Animals • Changed mood & behaviour • confuse animal navigation • alter competitive interactions • change predator-prey relations • more aggressive

  9. Disruption of ecosystems • It can be: • beneficial • neutral • damaging Spiders

  10. Solutions • adjusting light’s intensity • turning lights off • improving lighting fixtures • adjusting the type • evaluating the necessity of lights

  11. Organisations and campaigns • the IDA • Globe at Night (global) • ‘’Nebo ponoči’’ in Slovenia • Earth Hour

  12. Not really dangerous just disturbing and hindering

  13. SOURCES • http://www.darksky.org/, 01.01.2012 • http://en.wikipedia.org/wiki/Light_pollution, 01.01.2012 • http://www.astrosociety.org/education/publications/tnl/44/lightpoll.html, 01.01.2012 • http://sl.wikipedia.org/wiki/Svetlobno_onesna%C5%BEenje, 30.12.2011 • Pictures: Google

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