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A Collection of Light Pollution Lesson Plans for Educators

A Collection of Light Pollution Lesson Plans for Educators Thumbnail

Once we realize the importance and urgency of reducing and eliminating light pollution, how do we educate others? We’ve compiled some informative, interactive, and fun lesson plans educators can incorporate into their curriculum.   Lesson Plans… Read More

NPS Night Sky Initiative Part of Emotional Video by Astronaut Jeff Williams

NPS Night Sky Initiative Part of Emotional Video by Astronaut Jeff Williams Thumbnail

As a celebratory message of appreciation for the National Park Service’s 100th anniversary, NASA Astronaut Jeff Williams shares heartfelt memories of his childhood introduction to the NPS. Sharing photos he’s taken from the International Space Station of… 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

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

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

IDA’s 2016 Annual General Meeting in Review

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On December 3, 2016, we hosted our Annual General Meeting at the Aloft hotel in Tucson, AZ. Our theme, “Harnessing the Power of the Grassroots to Reduce Light Pollution and its Environmental Impacts Worldwide,” describes… Read More

Quadrantids Will be Nature’s Fireworks to Start 2017 Off Right

Quadrantids Will be Nature’s Fireworks to Start 2017 Off Right Thumbnail

2017 is set to start off in a spectacular fashion on January 4th with nature’s “fireworks” display of the Quadrantids. The Quadrantids meteor shower is anticipated to best be seen from the Northern Hemisphere where… 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

15 Million Tons of Carbon Dioxide Emitted Each Year On Residential Outdoor Lighting in the U.S.

15 Million Tons of Carbon Dioxide Emitted Each Year On Residential Outdoor Lighting in the U.S. Thumbnail

Lighting that emits too much light or shines when and where it’s not needed is wasteful. Wasting energy has huge economic and environmental consequences. Most outdoor lighting in the U.S. is used to illuminate streets… Read More

5 Dark Sky Highlights of 2016

5 Dark Sky Highlights of 2016 Thumbnail

1. Sixteen Dark Sky Places Announced Our International Dark Sky Places is having another great year! As of this writing, IDA has designated 16 new International Dark Sky Places in 2016. The new dark sky… Read More