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Texas Collaboration Protects Dark Skies

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The western part of Texas is home to one of the largest oil and gas producing regions in the US, the Permian Basin. Also located in this area is the McDonald Observatory, home of the… Read More

Artificial Light Affects Zooplankton in Arctic

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During the polar night in the high Arctic, a team of scientists discovered “that certain aspects of the polar marine ecosystems are extremely sensitive to potential light pollution and that traditional sampling techniques are insufficient… Read More

Artificial Light at Night Affects American Toad Metamorphosis and Growth

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In a study at Case Western Reserve University, scientists tested for both direct and indirect effects of artificial light at night (ALAN) on American toads. The research was conducted over two life stages of the… Read More

How Light Pollution Affects the Pennsylvanian Ecosystem

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By guest writer, Craig Campbell As little as 100 years ago, it was possible to look up in the sky at night and see millions of stars spread across the Milky Way. Now, there are… Read More

Artificial Light at Night May be Contributing to “Ecological Armageddon”

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In 2017, drastic declines of insects were reported by a team of scientists in Germany. The research indicated that the biomass of flying insects decreased more than 75% over the 27-year study period.1 In a… Read More

Study Links Artificial Light at Night and Cancer Risk

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A recent study published in Environmental Health Perspectives investigated the relationship between artificial light at night (ALAN) in Spain and the risk of developing breast or prostate cancer.1 Previous research has shown that night shift… Read More

Call for Abstracts for the 2018 Annual General Meeting

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Looking Up! 30-Years of Dark Sky Advocacy IDA’s 30th Annual General Meeting November 9-11, 2018 | Snowbird, Utah The International Dark-Sky Association is pleased to invite you to the 30th Annual General Meeting which will… Read More

Can Salmon Help Save the Night Sky?

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“Salmon could help save the night sky,” says Jack Sales, Chapter leader of IDA California. Sales is concerned about many environmental issues near Sacramento, including the decline of salmon populations. Sales says that learning about… Read More

IDA Announces Criteria for Community-Friendly Outdoor Sports Lighting

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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

Restless Idealism and the Night Sky

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Holiday River Expeditions—a rafting and biking tour outfit in Utah—in partnership with Clark Planetarium, has been digging deeper into the questions of the night sky, and offering a series of “Stargazing” trips during every new moon… Read More