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
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
Tucson, Arizona, U.S. Skyglow Reduced 7% after Street Light Conversion
John Barentine, Director of Conservation at the International Dark-Sky Association, is the lead author of a recent study published online by the Journal of Quantitative Spectroscopy and Radiative Transfer. Although Barentine has previously published papers… Read More
Harvard Law School Student Studies Light Pollution Case Law for IDA
Tucson, AZ — Harvard Law School student, Iris Zhou, performed a three-week internship at IDA Headquarters in Tucson, Arizona where she researched case law related to light pollution. As a part of her internship, Zhou… Read More
West Nile Virus Infectious Longer in Birds Exposed to Artificial Light at Night
Artificial light at night doesn’t just affect our ability to see the stars — it also impacts complex ecological interactions and disease transmission factors, with the potential to have profound effects on human health. What… Read More
Five Years of Satellite Images Show Global Light Pollution Increasing at a Rate of Two Percent Per Year
Five years of advanced satellite images show that there is more artificial light at night across the globe, and that light at night is getting brighter. The rate of growth is approximately two percent each… Read More
Bird Migration Dramatically Altered by High-intensity Urban Light Installation
By: Meg Schader for the International Dark-Sky Association Tribute in Light in New York City projects two beams of light into the sky as an annual memorial to the victims of 9/11. The tribute also… Read More
Nobel Prize Awarded for Discovery of Molecular Mechanisms Controlling the Circadian Rhythm
The Nobel Assembly at Karolinska Institute today announced the 2017 Nobel Prize in Physiology or Medicine is awarded jointly to Jeffrey C. Hall, Michael Rosbash and Michael W. Young “for their discoveries of molecular mechanisms… Read More
Be a citizen-scientist: measure the darkness of a total solar eclipsed sky!
If you are on or near the centerline of the path of totality during the solar eclipse on August 21, 2017, you are able to participate in an activity to observe and record the faintest stars visible as a… Read More
Lights at Night Turn Nocturnal Pollinators Off
Pollination is essential for the reproduction of many plant species. Some flowering plants rely on the wind or water to spread their pollen, but most depend on animals for pollination. Insects like bees, moths, and… Read More
