LED streetlights are making South Florida's skies and streets brighter. Although they save energy, the light they emit poses a problem for humans, for wildlife, for our entire ecosystem.

LED street lights too bright for some, who also worry about effect on wildlife. Mark Ferenchik. The Columbus Dispatch. Like the 1980s Corey Hart song, Heidi Vanderpool wears her sunglasses at night.

LED street lights are "phosphoric," with blue LEDs exciting a yellow phosphor, and the color temperature is determined by a mix of blue and yellow.

To understand why, it's helpful to go back to the mid-2000s, when LED street lighting began to replace the sodium-vapor lamps that had been previously used. (LED stands for light-emitting diode.) ...

The indigo lights have spawned theories online about everything from vampires to vaccines, but the City of Vancouver says the LED street lights now shining purple are the result of a manufacturing ...

Milwaukee's District 5 announces a project to upgrade street lighting to energy-efficient LEDs, starting July 1 with ...

Defective LED street lights along a stretch of I-93 along the Boston/Somerville border cast an eerie purple hue over the busy interstate on May 23. CARLIN STIEHL FOR THE BOSTON GLOBE.

LED street lighting has so many benefits – from increased illumination to energy and cost savings. I thank my colleagues who joined onto this resolution. ...

Kansas City's plan. In 2017, the city invested $2 million to convert 6,000 street lights into LEDs, saving around $300,000 and 1,900 tons in carbon emissions.

LED street lights too bright for some, who also worry about effect on wildlife. Mark Ferenchik. The Columbus Dispatch. Like the 1980s Corey Hart song, Heidi Vanderpool wears her sunglasses at night.