LIGHT POLLUTION AND NIGHT TIME LIGHTING Presentation to Beaver Hills Initiative February 14 th, 2007 RASC Edmonton Center.

LIGHT POLLUTION ANDNIGHT TIME LIGHTING

Presentation to Beaver Hills InitiativePresentation to Beaver Hills Initiative

February 14February 14thth, 2007, 2007

RASC Edmonton CenterRASC Edmonton Center

WHAT IS LIGHT POLLUTION?

Environmental Pollution Environmental Pollution from Lightingfrom Lighting Manufacture and Manufacture and

DisposalDisposal Greenhouse GasGreenhouse Gas

Light as PollutionLight as Pollution Light TrespassLight Trespass Wildlife DisruptionWildlife Disruption Sky GlowSky Glow

Night Time Lighting And Night Time Lighting And PollutionPollution

EARTH AT NIGHT (2002)

NIGHT TIME LIGHTING Why This Topic ? Why This Topic ?

Promote Effective LightingPromote Effective Lighting Raise Energy ConsciousnessRaise Energy Consciousness Reduce Light PollutionReduce Light Pollution Preserve and Restore Dark Preserve and Restore Dark

SkiesSkies

What Do I Want to Achieve ?What Do I Want to Achieve ? Increase Knowledge of Night Increase Knowledge of Night

Time LightingTime Lighting Increase Awareness of the Increase Awareness of the

ProblemsProblems Offer Practical SolutionsOffer Practical Solutions

NIGHT TIME LIGHTING TYPES Night LightingNight Lighting Commercial Perimeter LightingCommercial Perimeter Lighting Architectural LightingArchitectural Lighting Signage LightingSignage Lighting Parking Lot LightingParking Lot Lighting Roadway LightingRoadway Lighting Industrial Lighting Industrial Lighting General Security LightingGeneral Security Lighting General CommentsGeneral Comments

NIGHT LIGHTING

Interior Lighting After Interior Lighting After HoursHours Way FindingWay Finding Exit LightingExit Lighting AppearanceAppearance SecuritySecurity

SolutionsSolutions Dark BuildingDark Building Access Path LightingAccess Path Lighting Illuminated SwitchesIlluminated Switches ControlsControls

BUILDING EXTERIOR LIGHTING

Perimeter And Area Perimeter And Area LightingLighting

After Hours AccessAfter Hours Access SecuritySecurity

SolutionsSolutions MinimizeMinimize Avoid Up-light and Light Avoid Up-light and Light

TrespassTrespass Use ControlsUse Controls

ARCHITECTURAL LIGHTING

Building And Landscape Building And Landscape LightingLighting Night Time AppearanceNight Time Appearance

Who Looks?Who Looks? When?When?

SolutionsSolutions MinimizeMinimize Avoid Up-light and Light Avoid Up-light and Light

TrespassTrespass ControlsControls

SIGNAGE LIGHTING

Directional SignsDirectional Signs Direct TrafficDirect Traffic Inform DriversInform Drivers

Advertising SignsAdvertising Signs Attract AttentionAttract Attention Sell StuffSell Stuff

SolutionsSolutions Reflective SignsReflective Signs Control BrightnessControl Brightness Time of Day ControlTime of Day Control

PARKING LOT LIGHTING

Find and Enter CarFind and Enter Car Light on StallsLight on Stalls

Pedestrian SecurityPedestrian Security Shadow and Glare IssuesShadow and Glare Issues

Safer Driving LanesSafer Driving Lanes Low Speeds and Low Speeds and

Headlights?Headlights? SolutionsSolutions

Keep Light on LotKeep Light on Lot Cutoff LuminairesCutoff Luminaires Proper ControlsProper Controls

ROADWAY LIGHTING See and Avoid ObstaclesSee and Avoid Obstacles Avoid Other Vehicles and PedestriansAvoid Other Vehicles and Pedestrians Provide Direction InformationProvide Direction Information Find AddressesFind Addresses Pedestrian SecurityPedestrian Security Home SecurityHome Security

ROADWAY LIGHTING ConcernsConcerns

Why light restricted access Why light restricted access roads?roads?

Why on all night?Why on all night? Why the same level regardless Why the same level regardless

of traffic?of traffic? Why light up the front of Why light up the front of

houses?houses? SolutionsSolutions

Don’t use Metal halideDon’t use Metal halide Try lower levelsTry lower levels Don’t light back alleysDon’t light back alleys Don’t replace burnoutsDon’t replace burnouts Upgrade programUpgrade program Consider controlsConsider controls

ROADWAY LIGHTING

INDUSTRIAL LIGHTING

Used to Aid Work and NightUsed to Aid Work and Night Can Cause Light Trespass Can Cause Light Trespass

and Sky Glowand Sky Glow Often on “Dusk ‘Till Dawn”Often on “Dusk ‘Till Dawn”

SolutionsSolutions Don’t Light Non-work AreasDon’t Light Non-work Areas Use Portable and Use Portable and

Temporary LightingTemporary Lighting Turn off When Not NeededTurn off When Not Needed Uses Cutoff LuminairesUses Cutoff Luminaires Avoid Light TrespassAvoid Light Trespass

GENERAL SECURITY LIGHTING

Does Work?Does Work? Is It Any Good?Is It Any Good? Who Is Watching?Who Is Watching? Who Responds?Who Responds? Casing the Joint? Casing the Joint? Crime Location Shift?Crime Location Shift?

Sense of Security?Sense of Security? Danger of ComplacencyDanger of Complacency

Physical Presence?Physical Presence?

(Didn’t stop Mike, did it?)

Security?

RECOMMENDATIONS

Use Only As Much As You Use Only As Much As You NeedNeed

Use Cutoff LuminairesUse Cutoff Luminaires

Avoid Disabling GlareAvoid Disabling Glare

Use Lighting Controls.Use Lighting Controls.

Use Motion SensorsUse Motion Sensors

FINAL THOUGHTS

Why Be Concerned?Why Be Concerned?

Rediscover The NightRediscover The Night

Take Time To Look At Take Time To Look At The StarsThe Stars

Explore The Night SkyExplore The Night Sky

2 views of Orion Nebula

This?

Or This?!