More stars. Less light. Participate in GLOBE at Night!

The Campaign continues 12-21 February

Take a few minutes to get involved in the GLOBE at Night citizen science campaign to preserve dark skies! Participate by measuring your night sky brightness and report your observations to the GAN website from a computer or smart phone.

GLOBE at Night is one of the most successful light pollution awareness campaigns to date. Please join us in the 2012 campaign an hour after sunset til about 10pm February 12 through 21. For information and resources, visit us at www.globeatnight.org.

Light pollution expert Christopher Kyba speaks about light at night:

The City Dark Comes to Northern Virginia
Saturday, 25 February

Get details >>

Get a full list of worldwide TCD screenings

Thanks to our members and Corporate Sponsors that have shown their steadfast support of IDA and our programs.

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Dark Sky UpdateS

This E-petition in support of dark skies in the U.K. could use your support. Read and sign here >>

Homer Glen, Illinois Becomes World's Fourth International Dark Sky Community Read IDA Press Release >>

Bird-Friendly Development Handbook The American Bird Conservancy announces the release of Bird-friendly Building Design, a comprehensive guide to bird-safe construction for individuals, architects and contractors. Download Bird-Friendly Building Design >>

City Lights and Urban Air Read more from Nature Geoscience

Celestial Compass Obscured by Urban Light Pollution for Some Nocturnal Animals Read more from Science Daily

BioBlitz starcount in National Geographic Newswatch The GLOBE at Night program coordinated a Tucson-wide night sky inventory during the 2011 National Geographic BioBlitz in Saguaro National Park. Read more >>

Dimming the lights
This thoughtful editorial looks at towns where public lighting has been dimmed, removed, or shut off and finds no increased crime to date. Read article >>

IDA "led the effort to measure the impact of light on the park units" with NOAO and the NPS Night Sky Team About 70 volunteers carried Sky Quality Meters and took repeated measurements at regular intervals to measure the impact of light pollution during the first night of the National Geographic-sponsored BioBlitz on 21-22 October. Read "How Dark is Dark?"

Exmoor National Park becomes Europe's first (world's second) International Dark Sky Reserve Read more from BBC News >>

Looking to the stars: Remembering IDA Board member Christopher W. Walker Read more>>

Two local Grade 9 students win international poster competition Read More>>

Light Pollution & Night Sky Friendly Alternatives Read article>>

Borrego leads dark-sky movement Read article >>

Texas legislators pass HB2857 to protect skies surrounding McDonald Observatory Read more >>

Galloway Dark Sky Park 'helps insects' Buglife reports The UK's first Dark Sky Park an example of how invertebrates could be protected from harm caused by artificial light. Read more >>

Read study from Buglife >>

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