Author: Brian Liebel | DarkSky International

Lighting for Industry

Resources

Content Coming soon.

Lighting zones

Resources

“Lighting zones“ (LZ) reflect the base (or ambient) light levels desired by a community. The use of lighting zones …

Measuring light pollution

Get involved

Solving light pollution requires measuring the brightness of the night sky. Learn how — become a community scientist!

Unshielded Light at Night

My neighbor’s lighting

Resources

Many of us have experienced this scenario: A neighbor installs a new light fixture on their property. It’s unshielded …

Streetlights on city street at night create glare making it hard to see.

Street lighting

Light Pollution

Streetlights can cause light trespass — light that falls where it’s not intended, wanted, or needed.

CIty at night with light pollution

Dark sky friendly outdoor lighting for policy makers

Resources

In an average year in the U.S. alone, outdoor lighting uses about 380 terawatt-hours of energy, mostly to illuminate …