Lights Out America is a nationwide energy conservation event on March 29, 2008. On this night, they invite the entire nation to turn off all non-essential lighting for one hour. Participating cities: Atlanta, Boston, Boulder, Chicago, Denver, Los Angeles, Miami, New York, San Francisco, Seattle, and Washington, DC.

 

Show your support for starlight! Wherever in the world you are on October 20, 2007, join the citizens of San Francisco and Los Angeles when they turn off their nonessential lights for one hour – An event of Lights Out San Francisco and Lights Out Los Angeles, supported by IDA and many others.