Being called from across the house to be asked why all the lights are on in an empty room is a childhood experience many of us had, instilling in us the need to switch off all lighting whenever we ...

It's easy to see that number and think it's simply not worth it to turn off your lights more often. After all, what difference does 0.4 cents make? First, remember that estimate is for a 40-watt bulb.

Individuals and organizations wanting to join others in the Lights Out initiative can follow these guidelines: Turn off nonessential lights nightly from 11 p.m. to 6 a.m. during the migration period.