![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)
DarkSky Approved products
![A home improvement store employee helping a customer.](https://darksky.org/app/uploads/2023/04/hero-DarkSky-Approved-products.jpg)
Join our email list to get the latest news from DarkSky International, including our monthly newsletter. Emails go out twice per month and follow a strict privacy policy.
Light pollution is the human-made alteration of outdoor light levels from those ocurring naturally. It has harmful effects on:
Find news, events, volunteer opportunities, and more.
Find responsible lighting for your outdoor project.
Find a stunning night sky experience near you.