Rate Your Skyglow
Light pollution is most amateur astronomers' worst enemy. Learn here how to measure and describe how brightly your sky glows.
111 Deep Sky Wonders for Light-Polluted Skies
Bright skies aren't empty skies. See for yourself how many treasures lie hidden in the glow of a city sky.
Good-Neighbor Outdoor Lighting (Flyer)
This flyer (which can also be printed as a PDF) tells you everything you and your neighbors need to know about how to address light pollution in your neighborhood.
Your Home Lighting Guide
How to light your home safely, save energy, and decrease light polluion at the same time.
Bright Lights, Big Problems
In the war against light pollution astronomers have gained important new allies -- and new insights into how we see at night.
How I Beat Light Pollution in My Hometown
You don't have to fight city hall. To ban bad lights, make city hall your friend.
Home Lighting Guide
Here's how to find exterior residential lighting that's dark-sky friendly.
Jennifer Barlow: Dark-sky Devotee
One person can make a difference, as demonstrated by a high-school student's single-handed effort to help us all appreciate the night sky.
Good Lighting Fixtures: Where to Get Them
Here's a selection of manufacturers and suppliers of good lighting equipment.
Gauging Light Pollution: The Bortle Dark-Sky Scale
Excellent? Typical? Urban? Use this nine-step scale to rate the sky conditions at any observing site.
Join the Fight Against Light Pollution
Only a tiny fraction of amateur astronomers do anything to help reduce bad outdoor lighting. We need to change that.
Everything You Ever Wanted to Know About Light Pollution
Knowledge is power: here are the facts you need to help you combat light pollution in your neighborhood.
Light Pollution In The Night Sky
Light pollution has become so pervasive that it compromises the view of the universe for an estimated 90 percent of Americans.