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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

Nobel Prize Awarded for Discovery of Molecular Mechanisms Controlling the Circadian Rhythm

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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… Read More

Lights at Night Turn Nocturnal Pollinators Off

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Pollination is essential for the reproduction of many plant species. Some flowering plants rely on the wind or water to spread their pollen, but most depend on animals for pollination. Insects like bees, moths, and… Read More

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

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

3 Insects Affected by Light Pollution

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  Every year we see lots of new research on the effect of artificial light at night on various types of wildlife. Many of us know of the impact of light pollution on wildlife such… Read More