1. Dark Skies Responsible Outdoor Lighting
By Joe Frannea
Southern Arizona Chapter
of the
International DarkSky Association
Web: sa-ida.org

2. USA At Night Waste $2 Billion/Year in Electricity
(50 coal generators or 15,300 tons coal/day or 5,000 wind turbines)
Not Just Our Problem…

4. International DarkSkies Assoc. IDA
Educators/Activists
Advocate Natural Skies
essentially…
Keep Lights on the Ground

5. IDA Founded 1988 In Tucson (501(C)3)
Dr. David L. Crawford & Dr. Tim Hunter
Director/CEO
Grown To: 11,000 Members, Over 70 Countries
Board/Advisor

6. Dave’s MO – Our Success Never, Ever Make Enemies Always Find a Win/Win
Talk in Sound Bites
One Small Step at a Time
Never Give Up, Be Persistent
Just the Facts…Mam
KIS(S)

7. Growth Enablers for IDA
Astronomy
Professional & Amateur
Lighting Industry (commercial)
New Products Yielding New Markets
Environment
Wildlife, Plant Life, Human Health, Safety
Energy Conservation
Governments Under Budget Woes

8. Dark-Sky Friendly Fixture

9. Responsible Outdoor Lighting
Use Fully Shielded Light Fixtures

10. Shield Outdoor Lights
Not Shielded
Shielded

11. Responsible Outdoor Lighting
Shine Lights Downward Only

12. Responsible Outdoor Lighting
Use Only the Amount of Light Necessary

13. Responsible Outdoor Lighting
Turn Lights On only When Needed

14. Responsible Outdoor Lighting
Use Energy Efficient Lamps

15. Responsible Outdoor Lighting
Exceed All Outdoor Lighting Codes

16. Impacts

17. Astronomy & Optics
Arizona – estimated at $2.3 Billion Industry

18. Reduce Harm to Wildlife

19. Sea Turtle Hatchlings
“Finding the Ocean”

20. Bird Migration

21. Bird Navigation

22. Bird Collisions – Lit Objects
FLAP.org

23. Plant Life All Living Things have Biological Clocks
They Need Dark/Light Cycles

24. Human Health
Dark Sleep
Cancer growth
Melatonin
Body Clock

25. Safety Reduce Glare Light for the Task - Use Motion Sensors
Use Flash Lights,
they still work & are very inexpensive

26. Security More Crimes Occur in Daytime vs
Security More Crimes Occur in Daytime vs. Night time Some People Believe…
Dark Yields
Less:
Uniform Light
Yields Less:
Theft
Vandalism
Graffiti
Drug Deals
Prostitution
Robbery
Rape
No Statistical Evidence to Support More or Less Light Reduce Crime

27. A Real Cat Burglar

28. Lighting Zones Help Observatories E1c - 35 mile radius from Kitt Peak E1a 15 mile radius or 12.5 for Mt. Hopkins
More Restrictive
Outdoor Lighting Codes

29. Some S. AZ Lighting Codes
Fixtures within 25’ of Adj. Property Lines-Full Cutoff
Holiday Lamps <7watt OK, Thanksgiving to Jan 15th
Limited Unshielded Initial Lumens per Acre
Total Initial Lumens per Developed Acre is Limited
No Unshielded Fixtures over 3,000 Lumens
Flood lights – aimed down at 45 deg or lower
Business Signs – Off at close of business or 11 PM
Sports Lighting has 11 PM or 12 AM Curfews

30. Tucson Sells These Awful Lights
Most are in Violation of Outdoor Lighting Codes when Turned ON!
Horizontal Light Much Worse than Vertical Light for Observatories

31. Porch Lights

32. Low Pressure Sodium Lights (LPS)
Initially Thought - Answer to All...
Orion Without Filter
After Filtering

33. Uplight & Pollution
Research by Chris Luginbuhl – U.S. Naval Observatory Flagstaff Station

34. Uplight & Pollution
Research by Chris Luginbuhl – U.S. Naval Observatory Flagstaff Station

35. ‘59
‘80
‘03
Catalina & Tortolita Mtns
’03 larger view

36. LED Street & Traffic Lights
Pros: 90% less energy use, long life bulbs, less maintenance, instant on, dimmable, solar is possible
Cons: No heat to melt snow & for birds, dirty lens, bright light, possible harmful light to humans, insects & wildlife

37. BLUE RICH LED Light – Whoa there Cowboy…

38. Outdoor Lighting Trends
Flat Lens or Fully Shielded Fixtures
Lower Energy Usage (CFL, LED - 90%<)
Fewer Street Lights (taking out old ones)
Fewer Residential Lights
Lights Off at Night (motion, less dusk to dawn)
Dark Campus (all lights off after close)
More Electronic Signs (scrolling messages)

39. What Are We Waiting For ???

40. Texas Refinery Light Shields Added
Business Testimonial
Texas Refinery Light Shields Added
20,000 Unshielded Fixtures – 150w (24/7)
Electricity for Lighting: $3M/Year ($0.11/kwh)
Flashlights to read instruments: $30k/Year
New Fixture ea. = $400k
Energy Savings $370k/Yr (12.5%, smaller lamps)
Eliminated most flashlights & battery costs
Payout, about 1 year

41. WOW! - What a Dark Sky Reveals

42. Please help pass the Word…
Remember… Each Errant Photon Adds to Light Pollution!
Thanks,
Please help pass the Word…