![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)
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![Globe at Night 2021 dates](https://darksky.org/app/uploads/2021/01/image-2.jpg)
2021 Globe at Night
Astronomy
![](https://darksky.org/app/uploads/2017/12/Exploringthenight-siglogo-01-1440x421.png)
Exploring the Night: Winter Fundraising Campaign
Uncategorized
![](https://darksky.org/app/uploads/2017/09/IDA-Elections-01-scaled-1440x808.jpg)
Members! Cast Your Vote for the IDA 2018 Board of Directors Before September 30
Get involved
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Be a citizen-scientist: measure the darkness of a total solar eclipsed sky!
Light Pollution
If you are on or near the centerline of the path of totality during the solar eclipse on August …
![](https://darksky.org/app/uploads/2016/01/Canyonlands_Ogden.jpg)
The Business of Being a Community
Uncategorized
![](https://darksky.org/app/uploads/2017/07/Moth-Week-2-IDA.jpg)
Like moths to a flame: National Moth Week, and how you can help our nighttime wildlife
Wildlife
![](https://darksky.org/app/uploads/2017/06/Join-the-BoD-scaled-1440x960.jpg)
IDA Now Accepting Applications for 2017 Board of Directors – Now Closed
Press release
![](https://darksky.org/app/uploads/2023/03/fi-default.png)
International Dark Sky Week: 5 Ways to Support Dark Skies Right Now
Light Pollution
![](https://darksky.org/app/uploads/2023/03/fi-default.png)
LIMITED EDITION IDA Poster by Tyler Nordgren
Uncategorized
![](https://darksky.org/app/uploads/2017/01/pexels-photo-scaled-1440x957.jpg)
Contact Your Elected Official to Fight Against Blue-Rich LED Street Lighting
Light Pollution
![](https://darksky.org/app/uploads/2016/12/5489379712_2de10c45a2_b.jpg)
Call to Action! Contact Chicago’s Administration to Demand a Responsible Outdoor Lighting Plan
Uncategorized
![](https://darksky.org/app/uploads/2016/12/Grand-Canyon_Honda.png)