![Works change a street light in the dark sky community of Prestegne, Wales.](https://darksky.org/app/uploads/2024/01/8-Lighting-Tests-1440x700.jpg)
1012 results for
Author: Brian Liebel
![](https://darksky.org/app/uploads/2023/03/fi-default.png)
Lighting for Industry
Resources
![](https://darksky.org/app/uploads/2023/03/fi-default.png)
Lighting zones
Resources
![](https://darksky.org/app/uploads/2023/01/Globe-at-Night-2023-1440x1029.jpg)
Measuring light pollution
Get involved
![Unshielded Light at Night](https://darksky.org/app/uploads/2015/05/neighbors-lighting-topaz-scaled-1440x946.jpeg)
My neighbor’s lighting
Resources
![Streetlights on city street at night create glare making it hard to see.](https://darksky.org/app/uploads/2015/09/Streetlights_Glare_bad_Richardson.jpg)
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](https://darksky.org/app/uploads/2015/03/policy-makers.jpg)