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

2. WHAT IS LIGHT POLLUTION? Environmental Pollution from Lighting Environmental Pollution from Lighting  Manufacture and Disposal  Greenhouse Gas Light as Pollution Light as Pollution  Light Trespass  Wildlife Disruption  Sky Glow Night Time Lighting And Pollution Night Time Lighting And Pollution

3. EARTH AT NIGHT (2002)

4. NIGHT TIME LIGHTING Why This Topic ? Why This Topic ?  Promote Effective Lighting  Raise Energy Consciousness  Reduce Light Pollution  Preserve and Restore Dark Skies What Do I Want to Achieve ? What Do I Want to Achieve ?  Increase Knowledge of Night Time Lighting  Increase Awareness of the Problems  Offer Practical Solutions

5. NIGHT TIME LIGHTING TYPES  Night Lighting  Commercial Perimeter Lighting  Architectural Lighting  Signage Lighting  Parking Lot Lighting  Roadway Lighting  Industrial Lighting  General Security Lighting  General Comments

6. NIGHT LIGHTING Interior Lighting After Hours Interior Lighting After Hours  Way Finding  Exit Lighting  Appearance  Security Solutions Solutions  Dark Building  Access Path Lighting  Illuminated Switches  Controls

7. BUILDING EXTERIOR LIGHTING Perimeter And Area Lighting Perimeter And Area Lighting After Hours Access After Hours Access  Security Solutions Solutions  Minimize  Avoid Up-light and Light Trespass  Use Controls

8. ARCHITECTURAL LIGHTING Building And Landscape Lighting Building And Landscape Lighting  Night Time Appearance  Who Looks?  When? Solutions Solutions  Minimize  Avoid Up-light and Light Trespass  Controls

9. SIGNAGE LIGHTING Directional Signs Directional Signs  Direct Traffic  Inform Drivers Advertising Signs Advertising Signs  Attract Attention  Sell Stuff Solutions Solutions  Reflective Signs  Control Brightness  Time of Day Control

10. PARKING LOT LIGHTING Find and Enter Car Find and Enter Car  Light on Stalls Pedestrian Security Pedestrian Security  Shadow and Glare Issues Safer Driving Lanes Safer Driving Lanes  Low Speeds and Headlights? Solutions Solutions Keep Light on Lot Keep Light on Lot Cutoff Luminaires Cutoff Luminaires Proper Controls Proper Controls

11. ROADWAY LIGHTING See and Avoid Obstacles See and Avoid Obstacles Avoid Other Vehicles and Pedestrians Avoid Other Vehicles and Pedestrians Provide Direction Information Provide Direction Information Find Addresses Find Addresses Pedestrian Security Pedestrian Security Home Security Home Security

12. ROADWAY LIGHTING Concerns Concerns  Why light restricted access roads?  Why on all night?  Why the same level regardless of traffic?  Why light up the front of houses? Solutions Solutions  Don’t use Metal halide  Try lower levels  Don’t light back alleys  Don’t replace burnouts  Upgrade program  Consider controls

13. ROADWAY LIGHTING

14. INDUSTRIAL LIGHTING Used to Aid Work and Night Used to Aid Work and Night  Can Cause Light Trespass and Sky Glow  Often on “Dusk ‘Till Dawn” Solutions Solutions  Don’t Light Non-work Areas  Use Portable and Temporary Lighting  Turn off When Not Needed  Uses Cutoff Luminaires  Avoid Light Trespass

15. GENERAL SECURITY LIGHTING Does Work? Does Work?  Is It Any Good?  Who Is Watching?  Who Responds?  Casing the Joint?  Crime Location Shift? Sense of Security? Sense of Security?  Danger of Complacency Physical Presence? Physical Presence? (Didn’t stop Mike, did it?)

16. Security?

17. RECOMMENDATIONS Use Only As Much As You Need Use Only As Much As You Need Use Cutoff Luminaires Use Cutoff Luminaires Avoid Disabling Glare Avoid Disabling Glare Use Lighting Controls. Use Lighting Controls. Use Motion Sensors Use Motion Sensors

18. FINAL THOUGHTS Why Be Concerned? Why Be Concerned? Rediscover The Night Rediscover The Night Take Time To Look At The Stars Take Time To Look At The Stars Explore The Night Sky Explore The Night Sky 2 views of Orion Nebula

19. This?

20. Or This?!