A brief from the WLRN 91.3 FM article as following:
“Brighter streets mean brighter skies. And more light at night takes its toll on all living things. Researchers in England found LED streetlights kill off nocturnal moth caterpillar populations by fifty percent. Billions of migrating birds aren’t able to find their way in our brightening skies. Insect mating is reduced. It affects pollinators. And scientists are worried that light pollution is altering our planet.
LEDs emit blue light, which disrupts circadian rhythms and suppresses melatonin, and lost sleep can lead to health problems like cancer, diabetes, heart disease and obesity, according to a 2016 report from the American Medical Association.
“Amoeba in the ocean are affected. Algae are affected. And all the higher animals are affected,” said Dr. Mario Motta, a Boston-area cardiologist who served on the AMA’s board of trustees at the time the report was released. “Melatonin is a very primitive hormone that’s basically in every animal studied.”
rogerivester.com 
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