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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

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

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

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?

Why is Blue Light at Night Bad? Thumbnail

The Harvard Health Publications article, "Blue light has a dark side," describes artificial lighting that emits the blue color spectrum light throws off the body's circadian rhythm off balance. While not all colors have the same negative… Read More

5 Popular Myths About LED Streetlights

Streetlights on city street at night create glare making it hard to see.

The rapid changes in LED lighting technology have given rise to an LED retrofit revolution. Across the globe, municipalities are opting to switch out their older street lighting to new, more energy-efficient LEDs. Unfortunately, these… Read More

Really, Really Bad Lighting

An "acorn" outdoor street light at night gives off a lot of glare because it's not shielded.

We’ve all seen examples of good and bad lighting, but every once in a while there’s an example of lighting that is extremely bad. We present to you four examples of the some of the… Read More

Be Part of the Global Debate On LEDs

Light pollution in New York City. Photo by Jim Richardson.

For the past five years, IDA has sounded the alarm about the environmental and health impacts of blue-rich white light-emitting diode (LED) street lighting that is replacing older technologies in cities across the globe. Recently… Read More