Not only does this trend result in better lighting that saves Americans money and time (imagine not changing a bulb for more than a decade), but it will also eliminate a tremendous amount of physical waste.

FORBES: LEDs: Lighting The Way To Major Energy Savings

Bedrosian and her colleagues say that, among humans, exposure to artificial lighting at night has surged over the past 50 years, a trend that happens to coincide with large increases in depression prevalence.

CNN: Unplug! Too much light at night may lead to depression