![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)
99 news and pages in Tag
Tag: light pollution
![](https://darksky.org/app/uploads/2019/02/Arizona-Room-Entry-After-1440x814.jpg)
Grand Canyon Lodges Help Protect Grand Sky Views
Brand Partners
![HARP students light pollution stakeholder meeting](https://darksky.org/app/uploads/2019/02/IMG_3744.jpg)
Young Advocates Set Their Eyes on Tackling Light Pollution
Guest Writer
![](https://darksky.org/app/uploads/2019/08/Trees-in-the-sky-Bryce-Canyon-National-Park-scaled-1440x776.jpg)
International Dark Sky Week 2020
Uncategorized
![](https://darksky.org/app/uploads/2019/02/Fulda-Dom-Ende-blaue-Stunde-scaled-1440x845.jpg)
Fulda, Germany Earns International Dark Sky Community Status, First in the Country
Uncategorized
![](https://darksky.org/app/uploads/2018/03/Research-1440x810.jpg)
Harvard Law School student studies light pollution case law for IDA
Press release
![](https://darksky.org/app/uploads/2017/11/Kyba-et-al-2017-Fig1-noscale-1440x407.png)
Five Years of Satellite Images Show Global Light Pollution Increasing at a Rate of Two Percent Per Year
Light Pollution
![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)
5 Popular Myths About LED Streetlights
Light Pollution
![](https://darksky.org/app/uploads/2015/07/31DOCUMENTARY1-master675-v2.jpg)
Take Action to Prevent ‘Projecting Change’ in NYC
LEDs
![Satellite antenna array under the Milky Way](https://darksky.org/app/uploads/2024/06/Untitled-design-2.png)
Scientific research into light pollution
What we do
![Conference Attendees Gather and Talk Before the Meeting Starts](https://darksky.org/app/uploads/2015/06/11377332_10204657265526956_6452044015196930417_n.jpg)
Light Pollution Researchers Gather In Québec
Light Pollution
![](https://darksky.org/app/uploads/2023/01/Globe-at-Night-2023-1440x1029.jpg)
Measuring light pollution
Get involved
![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.