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Night Skies in Arizona and Beyond

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Arizona resident, Mike Powell, recently wrote a column for the Paris Review describing dark skies in Arizona. Powell describes the unique harshness of the desert sun and the surprising dark nights Arizonan’s have been able to… Read More

Transition to LED Brings New Environmentally Responsiblity Standards for Outdoor Fixtures

Transition to LED Brings New Environmentally Responsiblity Standards for Outdoor Fixtures Thumbnail

The rapid advancement of LED technology is unparalleled in the lighting industry, which has caused cities and utilities to reevaluate the specifications used for their street and area lighting applications. Early generation LEDs were typically… Read More

World’s First Academic Center Dedicated to Dark Sky Studies

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The world’s first academic center specific to the issue of dark skies has been announced at The University of Utah. The Consortium for Dark Sky Studies (CDSS) will be “dedicated to discovering, developing, communicating and… Read More

3 Insects Affected by Light Pollution

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If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects were to vanish, the environment would collapse into chaos. — Naturalist E… Read More

Flagstaff AZ Images at Night Show Success with Years of Dark Sky Advocacy

Flagstaff AZ Images at Night Show Success with Years of Dark Sky Advocacy Thumbnail

New images taken by the National Park Service of Flagstaff, Arizona show the years of dedicated dark sky advocacy and restrictions has been a success. The aim for the images was to better understand the… Read More

Press Release: Protecting Dark Skies for Astronomy and Life

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Below is the Press Release that was released on January 6th by the Lowell Observatory and National Optical Astronomy Observatory. John Barentine, IDA’s Program Manager, participated in the AAS Workshop in Grapevine, TX. JOINT PRESS… Read More

Judge Ruled Against City of Monterey Over LED Conversion

Judge Ruled Against City of Monterey Over LED Conversion Thumbnail

Recently, a judge ruled against the city of Monterey, stating they violated the California Environmental Quality Act and the Brown Act when they began their LED streetlight conversion in 2009. A group of Monterey residents calling… Read More

Contact Your Elected Official to Fight Against Blue-Rich LED Street Lighting

Contact Your Elected Official to Fight Against Blue-Rich LED Street Lighting Thumbnail

Many cities across the globe are replacing their older street lights with newer LED technology. Specifically, with the blue-rich white LED (light-emitting diode) lighting. While many praise the LED conversions as a money saving and… Read More

Call to Action! Contact Chicago’s Administration to Demand a Responsible Outdoor Lighting Plan

Call to Action! Contact Chicago’s Administration to Demand a Responsible Outdoor Lighting Plan Thumbnail

IDA’s Executive Director, Scott Feierabend has sent an urgent letter to Chicago’s Mayor, Rahm Emanuel’s regarding the proposed outdoor lighting plan. This letter urges Emanuel and his Administration to choose a safe, responsible outdoor lighting… Read More

Why is Blue Light at Night Bad?

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New technical capabilities often come with unanticipated challenges. White LED lighting often has much higher levels of potentially harmful blue light. In 2010, IDA published its paper, “Visibility, Environmental, and Astronomical Issues Associated with Blue-Rich White… Read More