Light trespass/light spill from unshielded 4000 K LED street lighting... | Download Scientific Diagram
![Petition · Houston's high glare LED street lights are a danger to night vision and health. · Change.org Petition · Houston's high glare LED street lights are a danger to night vision and health. · Change.org](https://assets.change.org/photos/3/rl/pc/ivRlPcPWbmifuNX-1600x900-noPad.jpg?1526112387)
Petition · Houston's high glare LED street lights are a danger to night vision and health. · Change.org
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What is the purpose of this streetlight with a strange blue / UV light in the middle of a housing estate in the UK? : r/HelpMeFind
![Street lights on a road showing lampposts switched on in a quiet residential road in West Sussex, England, UK Stock Photo - Alamy Street lights on a road showing lampposts switched on in a quiet residential road in West Sussex, England, UK Stock Photo - Alamy](https://c8.alamy.com/comp/2CPD5T5/street-lights-on-a-road-showing-lampposts-switched-on-in-a-quiet-residential-road-in-west-sussex-england-uk-2CPD5T5.jpg)