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IDA Announces Criteria for Community-Friendly Outdoor Sports Lighting

IDA Announces Criteria for Community-Friendly Outdoor Sports Lighting Thumbnail

IDA’s mission is to preserve and protect the nighttime environment and our heritage of dark skies through environmentally responsible lighting. The need for environmentally responsible outdoor lighting that balances the human need for light with… Read More

Call for New Members for the International Dark-Sky Association Technical Committee

Call for New Members for the International Dark-Sky Association Technical Committee Thumbnail

The International Dark-Sky Association Technical Committee provides guidance to the IDA Board, Executive Director, and staff on policies and guidelines related to outdoor lighting practices. This highly skilled team of lighting specialists and environmental scientists… Read More

West Nile Virus Infectious Longer in Birds Exposed to Artificial Light at Night

West Nile Virus Infectious Longer in Birds Exposed to Artificial Light at Night Thumbnail

Artificial light at night doesn’t just affect our ability to see the stars — it also impacts complex ecological interactions and disease transmission factors, with the potential to have profound effects on human health.   What… Read More

New Zealand Night Sky Enthusiasts Protect the Dark

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Martinborough, New Zealand, is highly regarded internationally for producing fine wines, olive oil and food within a rural environment of outstanding natural beauty. For some time, the community has enjoyed breathtakingly clear views of the… Read More

Five Years of Satellite Images Show Global Light Pollution Increasing at a Rate of Two Percent Per Year

Five Years of Satellite Images Show Global Light Pollution Increasing at a Rate of Two Percent Per Year Thumbnail

Five years of advanced satellite images show that there is more artificial light at night across the globe, and that light at night is getting brighter. The rate of growth is approximately two percent each… Read More

Bird Migration Dramatically Altered by High-intensity Urban Light Installation

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By: Meg Schader for the International Dark-Sky Association Tribute in Light in New York City projects two beams of light into the sky as an annual memorial to the victims of 9/11. The tribute also… Read More

International Dark Sky Week: 5 Ways to Support Dark Skies Right Now

The nighttime environment is a crucial natural resource for all life on Earth, but the glow of uncontrolled outdoor lighting has hidden the stars, radically changing the nighttime environment. International Dark Sky Week draws attention… Read More

SKYGLOW: Hunting the Dark

Pursued in collaboration with the International Dark-Sky Association, SKYGLOW explores the history and mythology of celestial observation and the Dark Sky Movement that’s fighting to reclaim the night skies.  There’s no such thing as a snapshot… Read More

BBC Explores True Cost of LED Lights

Brian Wheeler of the BBC shares the story of Karen Snyder, and her friend, Delores Bushong whose neighborhood in Washington DC recently installed 4,000 Kelvin LED streetlights. Snyder and Bushong oppose the bright lights and want their… Read More

Night Skies in Arizona and Beyond

Night Skies in Arizona and Beyond Thumbnail

Arizona resident, Mike Powell, recently wrote a column for the Paris Review describing dark skies in Arizona. Powell describes the unique harshness of the desert sun and the surprising dark nights Arizonan’s have been able to… Read More