IDA Publications

IDA Annual Reports

2018 IDA Annual Report: Nightscape 101
2017 IDA Annual Report: Celebrating 30 Years
2016 IDA Annual Report: Nightscape #98
2015 IDA Annual Report: Nightscape #96
2014 IDA Annual Report: Nightscape #94
2013 IDA Annual Report: Nightscape Issue #92

Nightscape Newsletter

Check out the latest edition of Nightscape to learn about all things IDA and night sky conservation. To receive IDA’s informative and inspirational Nightscape, become an IDA member.


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IDA Blog

Get the most current information about IDA, research on artificial light at night, protecting night skies, and much more. Our blog contains timely and useful information brought directly to you from IDA and other experts in the field.

IDA Study on Blue-Rich White Light

Read the full study:
Visibility, Environmental, and Astronomical Issues Associated with Blue-Rich White Outdoor Lighting (PDF)
Read the executive summary:
Seeing Blue (PDF)

IDA Guidelines for Community Friendly Outdoor Sports Lighting

Review the guidelines