This is worth Preserving Urban Skyglow is destroying our view of the universe
Elements of Light Pollution
North America At Night
IDA Philosophy
Effective Methods in Controlling Light Pollution
Introduction to Outdoor Lighting: The source of Light Pollution
Full Cut Off Lights
Space Needle
Street Lights
FCO Street Lights
Unshielded Security Light
Good Lighting
Globe Lights - Bad
Bad Lighting
Flood Lights - Bad
Glaring Flood Light
Non-Full Cut Off Lights
Billboard Lighting Left side pollutes right side does not.
Fast Food Bad Lighting
Fast Food Good Lighting
Bad Lighting - Wall Packs
Dusk to Dawn Security Lights
Dusk to Dawn Security Lights Waste Energy!
The source of the problem...
Help is on the way!
Sports Field Lighting
There is a good Sports Field Lighting System!
Soft Lighting System
PRO Parks 2000
Aging Eye
Health Concerns
Ideas
Dark Skies Northwest
IDA Membership
Please Join the IDA
Email: darksky@scn.org
Home Page: http://www.scn.org/darksky