Category Archives: Light Pollution

News and Information on #lightpollution

It’s not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us!

Waterloo Region LED street lights conversion

Waterloo Region LED street lights

  In March 2017 the Waterloo Region LED street lights conversion began. This replaces existing HPS (high pressure sodium, amber) street lights with 3000K whitish LEDs. While LED can reduce energy use and has been promoted by the lighting industry as better for the environment, there are many negative characteristics unknown to the general population […]

Why 3000K LED is healthier for your family and the environment

LED light pollution

The rapid advancement of LED technology is unparalleled in the lighting industry, which has caused cities and utilities to reevaluate the specifications used for their street and area lighting applications. Early generation LEDs were typically 5000K or higher, which at the time was the upper end of the technology’s capacity for products that remained both […]

3 Insects Affected by Light Pollution

insects affected by light pollution

If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects were to vanish, the environment would collapse into chaos. — Naturalist E. O. Wilson, Harvard University Every year we see lots of new research on the effect of artificial light at night […]

Lights off overnight at Kitchener Walmart to help reduce light pollution

Walmart in Kitchener at The Boardwalk turns off parking lot lights over night to save energy and reduce light pollution
Update, Dec 27th, 2017 - Unfortunately this Walmart recently replaced all the parking lot lights with brighter, higher Kelvin (much whiter, appears to be 5000K) LEDs. The contractor appears to not have had any background in light emissions and the environment. This means that this Walmart location has increased its light emissions at night and [...]

Example: Low impact lighting on bank in Kitchener

low impact lighting helps reduce light pollution
This CIBC bank in Kitchener, Ontario uses low impact lighting. It's minimal and is full cut off (light down to the ground) while not overly bright. Just the right amount of light. Also, the colour temperature of the light is a warm white (3000K or less) which has less negative impacts versus white light (LED) 4000K, [...]

White LED Lights Causing Skyglow

Distant skyglow created by white LED lights in the parking lot of a large box store retailer in Waterloo, Ontario, Canada.
What if I told you that LED lighting is creating a slew of new environmental problems and making existing problems worse. No, that can't be right, I'm saving the planet by using LED! Well not so fast. The switch to LED outdoor lighting is fast becoming a cancer spreading across our night environment. The problem [...]