Less blue light emission for our cities. This is the aim of almost 30 cities around the United States, following the tips of the American Medical Association against the use of powerful LED lights. We are talking about Phoenix, Lake Worth (Florida) and several cities in Connecticut. They want to reduce the harmful human and environmental effects of high intensity street lighting.

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The association suggested that LED lights with color temperatures higher than 3000 Kelvin had adverse effects on health, including eye damage and disrupted sleep patterns. The warning was aimed at large cities, where the standard color temperature for LED street lights is 5000K to 6000K. Lights with high color temperatures release more blue light, which cause more glare and discomfort to the eyes, according to the association.

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