SUNSET: 
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.
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Thank you for submitting your observing report to Sky & Telescope's AstroAlert service. If we have any questions about your data, we'll contact you by e-mail. Please note that at present we are interested only in reports following up a nearby-supernova alert. Observations in response to other types of alerts…
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Results of Nearby-Supernova AstroAlert Test
Our February 2003 AstroAlert test went very well. Here we report on what we learned, thanks to the enthusiasm and dedication of the test's participants.
TEST - Possible Galactic Supernova!
In February 2003, Sky & Telescope and the SuperNova Early Warning System (SNEWS) conducted a test of the AstroAlert system. Here's what it looked like.