Darkness News
Design Lights Consortium Charts Lighting Ordinances
December 30, 2022 - Light Now
The DLC has compiled and rated lighting ordinances that mitigate light pollution across North America. The data is available for download or as an interactive online map.
Read MoreVerticality of ALAN Amplifies Bird Issues
December 29, 2022 - Ecology and Evolution
While most light pollution metrics are taken from ground level, birds in flight experience a different horizon line, making them more susceptible to the effects of distant light sources. Zoologists at the University of Würzburg are recommending that ecologists and advocates take that into account when measuring light pollution.
Read MoreThe Shape of Your Eyes is Making Light at Night Worse
December 28, 2022 - ArXiv
Intraocular scattering, light bouncing off the pupil before it reaches the retina, has been found damage the perception of sky quality when near bright street lighting. Spanish researchers are calling for better shielding of light near stargazing spots.
Read MoreCzech Republic Aims to Reverse EU Light Pollution
December 27, 2022 - Edison Report EU
The Czech Ministry for the Environment has some of the strongest light pollution regulations, and their aim is to spread across all European Union members. The IDA and Czech staff presented a proposal limit ALAN to the EU environmental council on the 20th.
Read MoreAmity University Charts Sleep and Immunity
December 20, 2022 - Brain Sciences
The value of REM sleep has been tracked across two factors: neurotransmission and noradrenergics. Their findings are that sleep is key to health, but that those who are ill should be charting sleep habits during recovery.
Read MoreROLAN Publishes Manifesto
December 16, 2022 - Arc Magazine
The founding partners of Responsible Outdoor Light at Night have published a ten-point manifesto to underline their core principles for exterior lighting for health safety and sustainability.
Read MorePassive Sleep Delay Makes Depression Worse
December 15, 2022 - Heliyon
A study from Renmin Hospital of Wuhan University has found that passive sleep delay related to work or study (as opposed to sleep delays caused by leisure) results in higher levels of depression and more adverse sleep behaviors.
Read MoreLight Pollution Can Track Wealth From Space
December 14, 2022 - St Louis NewsNet
IIASA has examined 30 years of satellite images to determine that global poverty and its changes can be mapped based on light pollution levels.
Read MoreTrending Topics: ‘Light’, ‘Metabolism’, and ‘Circadian’
December 13, 2022 - Brain Sciences
Nursing schools across Spain have gone through recent google searches and found that health searches related to light and health are on the rise. Interest in light and health in particular grew by 62% during the study period.
Read MoreHoliday Lighting Displays Represent a Threat to Squirrels
December 12, 2022 - Human-Wildlife Interactions
The extended winter foraging hours represented by decorative lighting put eastern fox squirrels in the path of nocturnal predators, such as cats and owls. White LED strings in particular were associated with behavior changes.
Read MoreCircadian Cycles Linked with Menstrual Cycles
December 9, 2022 - Journal of Biological Rhythms
A meta-study from Monash University has found that changes in timing, brightness and light source influences length and intensity of menses.
Read MoreMadrid’s Sports Fields Beat its Decorative Holiday Lighting for Light Pollution
December 8, 2022 - Zenodo
High-resolution satellite photos have allowed GUAIX-UCM group to compare light pollution levels between game nights and holy nights and found that local football arenas are less desirable than large decorative displays in terms of light spill.
Read More