This is worth Preserving Urban Skyglow is destroying our view of the universe

8/22/2000


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Table of Contents

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

Street Lights

FCO Street Lights

FCO Street Lights

Unshielded Security Light

Good Lighting

Good Lighting

Good Lighting

Globe Lights - Bad

Bad Lighting

Flood Lights - Bad

Glaring Flood Light

Non-Full Cut Off Lights

Bad Lighting

Full Cut Off Lights

Good Lighting

Good Lighting

Good Lighting

Billboard Lighting Left side pollutes right side does not.

Fast Food Bad Lighting

Fast Food Good Lighting

Good Lighting

Bad Lighting

Bad Lighting - Wall Packs

Bad Lighting

Bad Lighting

Bad Lighting

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

Author: brucew

Email: darksky@scn.org

Home Page: http://www.scn.org/darksky