"LEDs lead the charge of the lights brigade in L.A."
This will have interesting implications for urban night photographers who generally hate the narrow-band pinkish-orange light from high-pressure sodium vapor lights. I've usually resorted to converting HPS-illuminated scenes to black-and-white. But some photographers, such as Tom, and taken the challenge of trying to work with it and color-correcting it in the darkroom.
Here is the link to the article from the L.A. Times.