SUNSET: 
Help Keep Our Skies Dark — Join IDA Today
It's high time that we amateur astronomers got serious about protecting the night sky from light pollution.
Rate the Darkness of Your Sky
A new website shows how light pollution spreads around the globe — using data gathered by its users.
AMA Addresses Light Pollution
The American Medical Association has released a report detailing several possible health concerns related to nighttime light exposure. But some lighting researchers worry the conclusions are more alarmist than is warranted.
U.S. Physicians Join Light-Pollution Fight
Thanks to a full-court press by a cardiologist with a passion for astronomy, the American Medical Association has taken a stance in the fight to make outdoor lighting more benign to humans — and to the stars above.
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.
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.
Home Lighting Guide
Here's how to find exterior residential lighting that's dark-sky friendly.
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.
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.
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.
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.
