Impact of LEDs on Light Pollution
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- Dec, 13, 2017
- Charles Price
- Dark Sky, Environment, Health and Safety, Human Health, Natural World
As infrastructure increases globally, artificial lighting is available in a larger and larger area. Developing countries chose LED lighting wrongly believing that LEDs are a long-term, more sustainable lighting solution. However, a huge problem with LEDs is their color. Making the switch from sodium lights that are orange-yellow in color, to the higher powered, bluish-white […]
Read MoreWoman in UK Complains LEDs Disturb Sleep
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- Mar, 20, 2017
- Vladimir Reznick
- Health and Safety, Human Health
The American Medical Association, about one year ago, warned that circadian rhythm may be altered by LED streetlights above 3000 Degrees Kelvin Correlated Color Temperature (CCT). It is no wonder so many people are complaining that LED streetlights are disturbing their sleep. A UK woman is one of many inhabitants of plant earth that never even thought […]
Read MoreCities Are Rethinking LED Sreetlights After AMA Warning
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- Sep, 25, 2016
- Jim Parker
- Dark Sky, Environment, Health and Safety, Human Health
AMA warning (6 June 2016) high-intensity LED streetlights emit unseen blue light that can disturb sleep rhythms and possibly increase the risk of serious health conditions, including cancer and cardiovascular disease, and can impair nighttime driving vision. Link to Article PDF
Read MoreLED Street Lights May Be Damaging To Your Health
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- Jul, 27, 2016
- Charles Price
- Health and Safety, Human Health, Uncategorized
According to the AMA, outdoor lighting at night, particularly street lights, should have a color temperature (CT) of not more than 3000 Kelvin (K). A white LEDs at CT 4000K or 5000K have been chosen to be installed in street lights in cities such as Seattle and New York. However, after these installations, many complained […]
Read MoreDoctors Issue Warning About LED Streetlights
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- Jun, 21, 2016
- Charles Price
- Health and Safety, Human Health
According to the American Medical Association (AMA), “The first is discomfort and glare. Because LED light is so concentrated and has high blue content, it can cause severe glare, resulting in pupillary constriction in the eyes. Blue light scatters more in the human eye than the longer wavelengths of yellow and red, and sufficient levels […]
Read MoreNew Map Shows the Dark Side of Artificial Light at Night
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- Jun, 10, 2016
- Joanne Brown
- Civil Safety, Health and Safety, Human Health
The greatest value of this study from Falchi and his colleagues may be the baselines it sets for policy debates about light pollution and any associated changes in the level of nighttime illumination. The atlas’s finding about the pernicious skyglow effects of blue-white LEDs, Longcore says, “is a message that incentivizing conversion to cheap blue-white […]
Read MoreDavis Will Spend $350,000 To Replace LED Lights After Neighbor Complaints
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- Jan, 21, 2014
- Charles Price
- Health and Safety, Human Health, LED Installations
Enough neighbors complained about the brightness and the cool color temperature of the new LED bulbs that the city put a pause on its energy savings project this summer. While it’s true that many people within the community have expressed support for the lights, we’ve actually received more concerns about the brightness of the lights Link […]
Read MoreBringing Back the Night: A Fight Against Light Pollution
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- Aug, 19, 2013
- Joanne Brown
- Civil Safety, Health and Safety, Human Health
But no less a motivation, says France’s Environment Ministry, is to “reduce the print of artificial lighting on the nocturnal environment” — a powerful acknowledgement that excessive use of lighting in many parts of the world is endangering our health and the health of the ecosystems on which we rely. The good news, however, is […]
Read MoreSome LED Lights Are Bad For The Eyes
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- Oct, 28, 2010
- Charles Price
- Health and Safety, Human Health, Uncategorized
The National Health Security agency warns that the light scattered by the blue LEDs, used to give a white light, pose risks to the retina and may alter the pigments of retinal cells. In addition, this type of light would also have consequences on AMD, the macular degeneration age-related illness not the chipmaker and aggravating […]
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