Tag

LED
17
Sep

Goodbye darkness Light pollution has increased 49% over past 25 years

September 17, 2021
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22
May

Changes in night sky brightness after a countywide LED retrofit

May 22, 2021
Li-Wei Hung, Sharolyn J. Anderson, Ashley Pipkin, Kurt Fristrup, Changes in night sky brightness after a countywide LED retrofit, Journal of Environmental Management, Volume 292, 2021, 112776, ISSN 0301-4797,https://doi.org/10.1016/j.jenvman.2021.112776.(https://www.sciencedirect.com/science/article/pii/S0301479721008380) Abstract The US National Park Service (NPS) Night Skies Program measured changes in sky brightness resulting from a countywide lighting retrofit project. The retrofit took place in Chelan County, a gateway...
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14
Jul

Artificial Light, Chronobiology and LED Hazards

July 14, 2020
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19
Nov

Holland Aims to Bring Back Its Starry Nights

November 19, 2019,
Source: https://www.citylab.com/life/2019/11/dark-sky-night-stars-netherlands-light-pollution-map-nacht/601846/?fbclid=IwAR0iykJlcWMe24n1bRZexY9j61Qvcs8LntAOsfOYPQkKu070D77kzbebcE0 Campaigners want government agencies and companies to turn off the lights so citizens can rediscover the beauty of darkness. SOPHIE KNIGHT NOVEMBER 18, 2019 AMSTERDAM—As winter creeps across the Northern Hemisphere and daylight hours dwindle, it can be hard to appreciate the long, dark nights. But in the Netherlands, there’s a national campaign to...
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30
Sep

Artificial lighting and Why it’s Unhealthy

September 30, 2019
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15
May

French Agency ANSES Press release – LED: recommendations to limit exposure to blue light

May 15, 2019
Source: https://www.anses.fr/fr/content/led-les-recommandations-de-l%E2%80%99anses-pour-limiter-l%E2%80%99exposition-%C3%A0-la-lumi%C3%A8re-bleue While the use of LEDs is becoming more widespread for lighting and LED objects are on the increase, ANSES published the update of its 2010 expertise on the health effects of LEDs in light of the new scientific knowledge available. The Agency confirms the toxicity of blue light on the retina and highlights effects...
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