Support IDA

Light Pollution Poses Threat to Migrating Birds

Light Pollution Poses Threat to Migrating Birds Thumbnail

Across the northern hemisphere, the sights and sounds of migrating birds are a sure sign of spring. As temperatures warm and plants bloom, eager birders await the arrival of summer residents like warblers, tanagers, vireos… Read more

Protect Our Species from Light Pollution this Earth Day

Protect Our Species from Light Pollution this Earth Day Thumbnail

Established in 1970, Earth Day has brought attention to the many issues impacting the environment for decades. The Earth Day Network estimates that over one billion people in 192 countries will take part in Earth… Read more

Pollinators: switch street lights off at midnight to help moths and nocturnal wildlife

Pollinators: switch street lights off at midnight to help moths and nocturnal wildlife Thumbnail

  by Callum Macgregor Postdoctoral research associate, University of York Conservation is often a conflict between the demands of development and a desire to do what is best for the environment. It’s rare that we get… Read more

Artificial Light Affects Zooplankton in Arctic

Artificial Light Affects Zooplankton in Arctic Thumbnail

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

Artificial Light at Night Affects American Toad Metamorphosis and Growth Thumbnail

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

How Light Pollution Affects the Pennsylvanian Ecosystem Thumbnail

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”

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

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

Call for Abstracts for the 2018 Annual General Meeting

Call for Abstracts for the 2018 Annual General Meeting Thumbnail

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?

Can Salmon Help Save the Night Sky? Thumbnail

“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

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