Support IDA

Experiment uses smart city lighting to measure streetlight emissions

Experiment uses smart city lighting to measure streetlight emissions Thumbnail

When satellites take pictures of Earth at night, how much of the light that they see comes from streetlights? A team of scientists from Germany, the USA, and Ireland have answered this question for the… Read more

New Research Strengthens Ability to Monitor Light Pollution From Orbit

New Research Strengthens Ability to Monitor Light Pollution From Orbit Thumbnail

by John C. Barentine, Ph.D. Director of Public Policy Since the beginning of the Space Age, humanity has had a bird’s eye view of our planet, both day and night. On his first space voyage… Read more

Women and Girls in the Dark Sky Movement

Women and Girls in the Dark Sky Movement Thumbnail

February 11th is the International Day of Women and Girls in Science, a day to celebrate the incredible contributions women have made to science and technology, highlight the gender inequities in the industry, and inspire… Read more

University of Utah Launches First-Ever Journal of Dark Sky Studies

University of Utah Launches First-Ever Journal of Dark Sky Studies Thumbnail

The International Dark-Sky Association is pleased to support the creation of the Journal of Dark Sky Studies (JDSS). Housed at the University of Utah’s Consortium for Dark Sky Studies, the online journal is dedicated to… Read more

A Fungal Fairy-land, Revisited

A Fungal Fairy-land, Revisited Thumbnail

Guest post by Anna Chinn Journalist and mushroom romantic, Aotearoa/New Zealand Letting our eyes fill up with darkness, we start to trust our feet and hands to find our way. We’re adjusting to the blindfold… Read more

Remembering Thomas Posch

Remembering Thomas Posch Thumbnail

The light pollution research community lost a remarkable young scholar last week with the untimely death of Dr. Thomas Posch. In addition to his work in light pollution, he is remembered for his research on… Read more

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

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

Many scientific datasets from satellites are in principle available for free, but that doesn’t mean that they are actually accessible to the wider public. A new web application aims to change that, at least for… Read more

Pollinators: switch street lights off at midnight to help moths and nocturnal wildlife

Pollinators: switch street lights off at midnight to help moths and nocturnal wildlife Thumbnail

  by Callum Macgregor Postdoctoral research associate, University of York Conservation is often a conflict between the demands of development and a desire to do what is best for the environment. It’s rare that we get… Read more

Artificial Light at Night May be Contributing to “Ecological Armageddon”

Artificial Light at Night May be Contributing to “Ecological Armageddon” Thumbnail

In 2017, drastic declines of insects were reported by a team of scientists in Germany. The research indicated that the biomass of flying insects decreased more than 75% over the 27-year study period.1 In a… Read more

Study Links Artificial Light at Night and Cancer Risk

Study Links Artificial Light at Night and Cancer Risk Thumbnail

A recent study published in Environmental Health Perspectives investigated the relationship between artificial light at night (ALAN) in Spain and the risk of developing breast or prostate cancer.1 Previous research has shown that night shift… Read more