Why Do We Tolerate Bad Lighting
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The document discusses the problems caused by light pollution including glare, light trespass onto other properties, wasted energy, and negative impacts on the environment and wildlife. It provides examples of how proper lighting that is directed downward and uses full cutoff fixtures can reduce light pollution and waste while still providing adequate light for safety and security. Reducing light pollution through better lighting ordinances and designs can save money on energy costs and reduce environmental impacts from excess electricity usage and pollution.
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Why Do We Tolerate Bad Lighting
- 1. Why do we tolerate bad lighting? Written and researched by Marc Sandberg, Dark Sky Georgia
- 3. The Villains Growing pot in the living room? Drive Thru Operating Room? Acorn in the trees?
- 6. Street Lights – Use Full Cutoff
- 7. We Need Security Lights, Don’t We? What are you lighting up? Many overly bright security lights obscure more than they reveal. Girl moved 4 feet to stand next to pole
- 8. Glare and Security What are you lighting up? Many overly bright security lights obscure more than they reveal. Same picture taken with flash US National Institute of Justice states: ". We can have very little confidence that improved lighting prevents crime".
- 10. Glare - Good lighting can improve safety! - Floodlights Aim the Floodlights Down!
- 15. Environment The light confuses the tree as to the season. The foliage of trees grown in continuous lighting may be larger in size and more susceptible to air pollution and water stress during the growing season because the stomatal pores in leaves remain open for longer periods.
- 16. Environment Tens of millions of migrating birds die every year due to confusion from overlighting - Crash into buildings, towers - Greater problem during migration season