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Light Pollution D ark Skies Greater T ucson Area Update. By Joe Frannea Southern Arizona Chapter of the International Dark-Sky Association. Web: sa-ida.org. PAG - Oct 75 2011. USA At Night. Waste $2 Billion/Year in Electricity

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light pollution d ark skies greater t ucson area update

Light PollutionDark SkiesGreater Tucson Area Update

By Joe Frannea

Southern Arizona Chapter

of the

International Dark-Sky Association

Web: sa-ida.org

PAG - Oct 75 2011

usa at night
USA At Night

Waste $2 Billion/Year in Electricity

(50 coal generators or 15,300 tons coal/day or 5,000 wind turbines)

topics for presentation

Topics for Presentation

How are we Doing?

- - -

Updated COT/PC Outdoor Lighting Code

- - -

International Dark-Sky Association

- - -

Education Outreach

- - -

Trends

slide7

Recent Study by 2 Lowell Observatory Researchers

“Kitt Peak Remains Dark – Sky Overhead”

“effectiveness of local lighting laws”

We Are…

Much Better at Putting light on the Ground, not in the Sky

But, Sky Glow in Tucson has increased

But so has the population

slide8

250,000

Pima Cty. Pop.

‘59

‘80

500,000

‘03

900,000

Catalina & Tortolita Mtns

’03 larger view

slide9

U of A

Football Stadium

Lights

BEFORE

Photos 8.5 Miles North of Stadium

AFTER

More Light –HD TV

50,000 Fewer Watts

75% Less Spill

updated 2011 city of tucson and pima county outdoor lighting code ready yeah

Updated 2011 City of Tucsonand Pima County Outdoor Lighting CodeReady… – Yeah!

Current Code is 2006

significant olc changes

Significant OLC Changes

Easier to Read, Understand and Interpret

“Developed Space’, not Total Acreage

Sign Lighting Restrictions (LED/LCD type signs)

Added Lighting of Right-of-Ways Chapter

(a few negatives regarding residential)

light pollution catalysts
Light Pollution “Catalysts”

Astronomy (IDA 1988)

Lighting Industry

Environmental

Energy Savings - Huge

(street lighting)

retailers sell these awful lights
Retailers Sell These Awful Lights

Most are in Violation of Outdoor Lighting Codes when Turned ON!

international dark sky association model lighting ordinance
International Dark-Sky AssociationModel Lighting Ordinance

A 7 Year Effort – Just Released

By the IDA and Illumining Engineering Society (IES)

Framework - Responsible Outdoor Lighting Standards

Uses the New “BUG” System for Fixtures

(Backlight – Uplight – Glare)

The MLO is free - IDA web ( 44 half pages)

education outreach

Southern Arizona Chapter of IDA

(several others too..)

Education Outreach

Brochures, Videos, PowerPoints

SARSEF, FUNFEST, Science Nights

Presentations to Clubs, HOAs

Earth Days, ASDM Astronomy Nights

Complaints, Assistance

outdoor lighting trends usa
Outdoor Lighting Trends - USA
  • Flat Lens Full Cut Off Fixtures (only ones available)
  • Save Energy (New Designs, CFL, lots of LEDs - 90%<)
  • Fewer Street Lights (taking out old ones)
  • Lights Off at Night (motion, less dusk to dawn)
  • More Interest in Outdoor Lighting Codes
  • More interest in Harm to Health & Wildlife
  • Lots More Electronic Signs (flashing/scrolling)