Tag: light pollution

“Radiance Light Trends” Shows Changes in Earth’s Light Emissions

Light Pollution

Many scientific datasets from satellites are in principle available for free, but that doesn’t mean that they are actually …

March 6, 2019

Grand Canyon Lodges Help Protect Grand Sky Views

Brand Partners

Founded in 1919, Grand Canyon National Park is one of the oldest national parks in the country. Considered one …

February 25, 2019

Young Advocates Set Their Eyes on Tackling Light Pollution

Guest Writer

Earlier this month, the International Dark-Sky Association was contacted by a group of students from Bioscience High School in …

February 22, 2019

International Dark Sky Week 2020

Uncategorized

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February 19, 2019

Fulda, Germany Earns International Dark Sky Community Status, First in the Country

Uncategorized

The International Dark-Sky Association is pleased to announce the designation of Fulda, Germany as a Provisional International Dark Sky …

February 7, 2019

Harvard Law School student studies light pollution case law for IDA

Press release

Tucson, AZ — Harvard Law School student, Iris Zhou, performed a three-week internship at IDA Headquarters in Tucson, Arizona …

March 15, 2018

Five Years of Satellite Images Show Global Light Pollution Increasing at a Rate of Two Percent Per Year

Light Pollution

Five years of advanced satellite images show that there is more artificial light at night across the globe, and …

November 22, 2017

5 Popular Myths About LED Streetlights

Light Pollution

The rapid changes in LED lighting technology have given rise to an LED retrofit revolution. Across the globe, municipalities …

September 8, 2016

Take Action to Prevent ‘Projecting Change’ in NYC

LEDs

A planned outdoor light projection event this Saturday, August 1, will bathe New York City’s iconic Empire State Building …

July 31, 2015

Scientific research into light pollution

What we do

Light at night and the various forms of light pollution have measurable effects on humans, nighttime ecosystems, and more. …

March 24, 2026

Light Pollution Researchers Gather In Québec

Light Pollution

Light pollution researchers from around the world met at Jouvence, Québec, Canada from 26-28 May 2015 for the second …

June 10, 2015

Measuring light pollution

Get involved

Solving light pollution requires measuring the brightness of the night sky. Learn how — become a community scientist!

July 21, 2023