Covers all environmental issues
LED Streetlights- Erasing the Night Sky
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- Jul, 26, 2015
- Charles Price
- Dark Sky, Environment
By transitioning to light-emitting diode (LED) light bulbs — cities save a ton of energy, but as we are now learning, are also making light pollution worse. LED lights are so bright they block out more stars than more traditional light sources. Link to Article PDF
Read MoreEarly Warnings About Blue-Light Hazards
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- Mar, 10, 2014
- Robert Anderson
- Dark Sky, Environment, Health and Safety
Long before the American Medical Association announced its report warning of the hazards of blue-light and night, some reporters realized that blue-light should be avoided. This article was recently updated to include new data on installation of lower Correlated Color Temperature (CCT) LEDs in San Francisco. Link to Article
Read MoreHong Kong’s Light Pollution “Worst in the World”
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- Mar, 21, 2013
- Charles Price
- Dark Sky, Environment, Health and Safety
Hong Kong’s local urban night sky is as much as 1,000 times brighter than international norms making it the most light polluted city in the world, according to a study by the faculty of science at the University of Hong Kong. Link to Article PDF
Read MoreTurn Off All The Unnecessary Lights
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- Feb, 08, 2008
- Joanne Brown
- Civil Safety, Environment, Health and Safety
For the environmentally concerned sky-watchers among us, it isn’t enough that the world should go green. It should go dark green. As in, “Turn off all the unnecessary lights, please.” Light pollution may not rank up there with climate change as cause for alarm, but a vocal community of stargazers believes it to be an […]
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