As use of LED street lights grows, so do concerns over 'blue light' - The Boston Globe
Why is Blue Light at Night Bad? | DarkSky International
Anyone have any idea what is on top of this street light? : r/ottawa
New streetlight feature prompts wild theories - so what is it?
So, what's up with the purple street lights? Or are they blue? | Lifestyle | koamnewsnow.com
Why do some places in Scotland have blue street lights? - Quora
Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light
How blue street light decreasing crime in Japan
Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light
LED Top Pole Community Streetlight
What are the blue things on your street lights? : r/Seattle
Driving You Crazy: What are those blue lights in Boulder on top of traffic lights? - YouTube
The blue thing on top of a street light just outside my house. Some have them some dont. Never seems to light up or make a noise. Don't think it's a light
Streetlights Are Mysteriously Turning Purple. Here's Why | Scientific American
Why do some cities have blue street lights? - Quora
Why are street lights blue? Iowa DOT explains | weareiowa.com
Blue streetlights in Spokane are manufacturer's defect; city investigating | The Spokesman-Review
Why is Japan Turning Blue at Night? More and More Streets Being Draped in Peacefully Bizarre Azure Lights | SoraNews24 -Japan News-
Tattle Tale Lights: Have you noticed blue lights showing up in your area? | ABC4 Utah
False: Black objects on lampposts are not surveillance devices | by Joshua Lee | annie lab (we moved to https://annielab.org) | Medium
Blue Light Special: Colored Streetlamps Precede Decline in Crime - WebUrbanist
Blue light on top of recently installed LED street light in Southern California : r/whatisthisthing
Old SOX post top street lamp | Street light, Street lamp, Lamp post
