Join the campaign
 to stop
Light Pollution
Now!

Other Key Light Pollution Resources on this site.

• The Resources Page provide many very important links and handouts.
• The Information Sheets are available to use as handouts.
• The Quick Links Page is a collection of most asked for information and links. 
• An Introduction to the Issues of Light Pollution, by Bob Crelin ( handout sheet - PDF 62K ) 

Suggested Reading:

• Introduction to the issues.
• What is the International Dark-Sky Association (IDA)?   [Use Back Arrow to return to this page]
• Light Pollution - A problem for all of us.
• Why we don't like the typical yard light.
• IDA information sheets By Subject and By Number.  [Use Back Arrow to return to this page]
• Security Lighting.
• How to talk to your neighbor who has a bad light.
• Economic issues in wasted and inefficient outdoor lighting.
• Unused light, overused energy, and wasted money.
• Latest IDA Newsletter  [Use Back Arrow to return to this page]

Images:

• Nighttime satellite view of the Earth.
• Nighttime satellite view of the United States.
• Nighttime satellite view of the eastern United States.
• Mountain top view of Los Angeles in 1988.
• Nighttime image of New York taken from the Space Shuttle.
• An example of light trespass.
• Typical cobra head roadway lighting fixture.
• A full-cutoff cobra head roadway lighting fixture.
• An unshielded yard light.
• A properly shielded yard light.

Do join us as a member of IDA!  We need you.  Here's how to become a member.  A larger, growing, dynamic IDA can and will be able to do much more. We have made a great difference already, but we need to do much, much more! We need your help!

Join the campaign to stop Light Pollution Now!