Category: Light Pollution | Page 8 | DarkSky International

A ying yang symbol, with one representing day and the other night and the text "Because every day needs a night."

Happy Earth Day (and Night!)

News

Earth Day was started in 1970 to celebrate the intricate beauty of Earth and raise awareness about the importance …

April 22, 2016

Shadow of hands forming a heart with the Milky Way in the background

You’re Never too Young (or Old) to Become a Dark Sky Advocate

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By high school senior and dark sky advocate Jessica Elliott When I was in the third grade, my class …

April 14, 2016

Learn why you shouldn’t bare your bulbs! Watch now…

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Lighting demonstration by Keith Kreuger, IDA Pinal County (Arizona) Chapter Leader, illustrating the difference between a bare bulb and …

April 8, 2016

Person standing under a natural arch at Arches National Park with the Milky Way over head

5 Things You Can Do to Protect the Night Sky

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Light pollution affects everybody! The good news is that light pollution, unlike many other forms of pollution, is reversible …

April 8, 2016

“The Enchanted Forest” by Lyubov Trifonova. The Moon and the northern lights lit up the snow-covered forest in Murmansk, northwestern Russia, Dec. 2014. The first winner of the 2015 International Earth & Sky Photo Contest, Beauty of Night Sky category.

Annual “Earth & Sky” Photo Contest Now Open

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By Guest Writer David Malin, The World at Night and “Earth and Sky” Photography Contest Judge The World at …

April 7, 2016

The City of Seattle, Washington, skyline at night with the Space Needle in the foreground.

Light Pollution Measure Passed by Washington State

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On Friday, March 26, Washington Gov. Jay Inslee signed a supplemental state transportation budget that includes what may well …

April 5, 2016

IDA Publishes in LED Professional magazine

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IDA is excited to announce the publication of our ‘special topic’ article “The Value of Dark Skies – About …

March 30, 2016

A satellite image of Las Vegas showing a sea of lights.

City Lights from Space

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It’s no secret that city lights are brighter than starlight. Almost everyone, from amateur stargazers to professional astronomers, has …

March 29, 2016

Little Penguins Waddling on the Dark Side

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By guest writer Airam Rodríguez, a postdoctoral researcher at Phillip Island Nature Parks, Australia, and Estación Biológica de Doñana …

February 23, 2016

Lessons from the retrofit revolution

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A recent news article draws attention to a new street lighting project just completed in downtown Philadelphia, Pennsylvania. This …

December 17, 2015

A satellite image of Berlin at night showing the difference between the lights of west and east Berlin.

Night Sky Data to the People!

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As streetlights the world over change from sodium lamps to LED, scientists wonder what this means for night skies. …

December 8, 2015

Dark clouds with the aurora borealis lighting up the sky in gree, purple and orange over Glacier National Park in Montana, U.S.

Clouds and Aurora in a Natural Setting

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By Guest Author Chris Kyba Ray Stinson recently shared these beautiful images of aurora and clouds with me. They …

September 16, 2015