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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 [...]

Big Bend Ranch State Park Named World’s Newest International Dark Sky Park Thumbnail

The Texas Parks and Wildlife Department and IDA are proud to announce that Big Bend Ranch State Park (BBRSP) has been designated as an International Dark Sky Park. It is the fourth Texas State Park…
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Obed Wild and Scenic River Becomes an IDA International Dark Sky Park Thumbnail

The National Park Service and IDA are pleased to announce that Obed Wild & Scenic River (WSR) in Tennessee, U.S., has been designated an International Dark Sky Park. With this designation, Obed WSR is now…
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City of Ketchum Earns First International Dark Sky Community Designation in Idaho Thumbnail

The City of Ketchum, Idaho (U.S.) has officially been designated as an International Dark Sky Community by the international organization dedicated to reducing light pollution and preserving night skies. IDA announced its decision to certify…
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Headlands International Dark Sky Park Protects Night Skies and the Human Imagination Thumbnail

Headlands International Dark Sky Park has been recognized with the 2017 International Dark Sky Place of the Year Award. Like all Dark Sky Places designated by the International Dark-Sky Association,  Headlands International Dark Sky Park…
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Bird Migration Dramatically Altered by High-intensity Urban Light Installation Thumbnail

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…
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Reclaiming the Night: Policy and Technology as Tools of Change Thumbnail

Register now! Early-bird Registration has been extended through October 14, 2017. The IDA membership gathers annually to share new ideas and a mutual passion for dark skies. When engineers, designers, planners, architects, astronomers, and dark…
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International Dark-Sky Association Recognizes 2017 Award Winners Thumbnail

IDA Awards recognize and share the exemplary achievements of individuals and groups who are committed to our mission. U.S. and international dark sky heroes are recognized for their contributions to combatting light pollution. The 2017…
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Nobel Prize Awarded for Discovery of Molecular Mechanisms Controlling the Circadian Rhythm Thumbnail

The Nobel Assembly at Karolinska Institute today announced the 2017 Nobel Prize in Physiology or Medicine is awarded jointly to Jeffrey C. Hall, Michael Rosbash and Michael W. Young “for their discoveries of molecular mechanisms…
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Members! Cast Your Vote for the IDA 2018 Board of Directors Before September 30 Thumbnail

Members of the International Dark-Sky Association play an important role in the future of the organization by voting for the Board of Directors. This year, IDA members can select from five candidates to fill three…
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Join us in Boston November 10, 11 & 12 for IDA’s 2017 Annual General Meeting Thumbnail

The International Dark-Sky Association's 2017 Annual General Meeting presents the people and ideas leading the way in the cause to end light pollution. Join us for an exciting weekend with the agents of change who…
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