30 results
Harsh lights in residential neighborhood

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Your Home Lighting Guide

How to light your home safely, save energy, and decrease light polluion at the same time.

Bright street light at night in winter

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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.

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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.

Two light shields

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Home Lighting Guide

Here's how to find exterior residential lighting that's dark-sky friendly.

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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.

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Good Lighting Fixtures: Where to Get Them

Here's a selection of manufacturers and suppliers of good lighting equipment.

Winter constellations seen in a class 4 or 5 sky

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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.

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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.

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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 illustration.

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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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