Author: Staff

Natural darkness and human well-being

Effects of light pollution

With the rise of artificial light at night, our natural rhythms are being disrupted—while more research is needed, these …

November 17, 2025

Light pollution reduces our night sky heritage

Effects of light pollution

The nighttime environment is a precious natural resource for all life on Earth, but the glow of uncontrolled outdoor …

October 17, 2023

Outdoor lighting at night doesn’t do what you think it does to reduce crime and increase safety

Effects of light pollution

There is no clear scientific evidence that increased outdoor lighting deters crimes. It may make us feel safer, but …

October 17, 2023

Light pollution wastes energy and money and damages the climate

Effects of light pollution

Lighting levels that are higher than necessary and light that shines when and where it’s not needed is wasteful. …

October 17, 2023

DarkSky Approved retailers

DarkSky Approved

DarkSky Approved retailers strive to provide the public with easy access to DarkSky Approved products. These businesses work closely …

October 3, 2024

Success stories

About

Since 1988, we’ve been advocating for more responsible outdoor lighting, raising awareness about light pollution, and protecting the night …

September 4, 2023

Sea turtle conservation

Resources

Hatchling sea turtles often head for brightly illuminated roads and human habitats instead of the ocean.

July 23, 2023

Materials for educators

Materials for educators

A light pollution curriculum developed the by DarkSky Texas chapter, with videos and activity sheets for two levels: 1) …

September 4, 2025

Light pollution harms wildlife and ecosystems

Causes of light pollution

For billions of years, all life has relied on Earth’s predictable rhythm of day and night. It’s encoded in …

November 13, 2023

Staff

About

Contact Ruskin Ruskin champions equitable access to dark skies and quality lighting for all through DarkSky’s award-winning programs. He …

October 16, 2025

Resources

Resources

Answer: The human-made alteration of outdoor light levels from those occurring naturally. Learn more Causes Effects Solutions Resources you …

November 20, 2023

Events

What we do

We produce four annual events: And hold regular virtual talks, seminars, and workshops for DarkSky members and Advocates: DarkSky …

November 14, 2025