Search Results for International Dark Sky C

Infographics

Resources

Visual methods help people understand the complex issues of light pollution.

July 25, 2023

Gabriela Mistral

Sanctuaries

Chile

The Associated Universities for Research in Astronomy Observatory in Chile is the sole representative of 40 U.S. universities and …

August 9, 2015

Lighting zones

Resources

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

July 23, 2023

Glossary

Resources

A glossary of terms used throughout this site to describe lighting and its effects.

May 7, 2025

The IDA 2015 Annual General Meeting

Uncategorized

The International Dark-Sky Association hosted our 26th Annual General Meeting November 14-15, 2015, in Phoenix, Arizona. The 2015 conference …

July 24, 2015

Useful links

Resources

Some of the tools and sites we use from our partners, friends, and colleagues.

June 12, 2026

Elan Valley Estate

Parks

U.K.

The Elan Valley of central Wales was purchased by the Birmingham Corporation in 1892 for the purpose of creating …

July 16, 2015

Careers

About

Position summary The IT Associate plays a critical role in supporting DarkSky’s day-to-day technology operations and internal systems under …

May 15, 2026

Scientific research into light pollution

What we do

Light at night and the various forms of light pollution have measurable effects on humans, nighttime ecosystems, and more. …

March 24, 2026

De Boschplaat

Parks

Netherlands

De Boschplaat, a 40 square kilometer area the eastern side of the island of Terschelling, is a “Natura 2000” …

June 26, 2015

Videos

Resources

Enjoy watching some of our favorite videos on light pollution. For more videos on light pollution visit our YouTube …

February 24, 2026

IDA Pens Op-Ed on Phoenix’s New Lights

LEDs

On Saturday, 13 June 2015, the Arizona Republic published the following guest editorial by IDA Executive Director Scott Feierabend …

June 16, 2015