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Fireflies Need the Dark to Talk with Light

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The Effects of Light Pollution on Fireflies As light pollution spreads across our planet, we have to venture to more remote areas to enjoy the night skies. This is a minor inconvenience compared to the… Read More

“All Living Things on Earth Need and Deserve a Night Sky”

“All Living Things on Earth Need and Deserve a Night Sky” Thumbnail

  Growing up on Norfolk Island in the South Pacific exposed me to one of the darkest and least light polluted skies on earth. As a child, I would marvel at the impossibly huge number… Read More

Like moths to a flame: National Moth Week, and how you can help our nighttime wildlife

Like moths to a flame: National Moth Week, and how you can help our nighttime wildlife Thumbnail

Next week, as night falls, people across the USA and around the world will be found huddled in groups, waiting, staring into bright light sources. This is not some strange cult or ritual; in fact… Read More

Seabird Fatalities Caused by Artificial Lights

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By guest writer Airam Rodríguez, postdoctoral researcher at Estación Biológica de Doñana CSIC, Spain Human alteration of natural light levels in the environment increases every year and leads to the loss of natural nightscapes worldwide. Light… Read More

Notes from IDA at the 37th Annual Sea Turtle Symposium

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  The International Sea Turtle Society’s 37th Annual Sea Turtle Symposium on Sea Turtle and Biology (ISTS) was attended by IDA’s Technical Director Pete Strasser, who was invited to give a presentation about IDA’s work… 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

LIMITED EDITION IDA Poster by Tyler Nordgren

Artist Tyler Nordgren, widely known for his classic images of the night sky and other wondrous landscapes, has generously created 100 limited edition, signed and uniquely numbered posters for 2017 International Dark Sky Week. This… 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

Marching for Science? Download IDA’s FREE Light Pollution Posters

International Dark Sky Week is bookended this year by two mass public events: the National March for Science, April 22 and the Peoples Climate Movement march, April 29. The March for Science has its focus… 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