Lights Out All Over the World

Earth Hour as celebrated in Jakarta, Indonesia   AP Photo/Dita Alangkara

Earth Hour, which was from 8:30 to 9:30 p.m. local time on March 23, brought the world together in a symbolic display of the power of unity and the importance ~ and feasibility ~ of sustainability and energy conservation (slideshow): http://photos.mercurynews.com/2013/03/23/photos-earth-hour-2013/

Greece's Parthenon temple, before and after 8:30 p.m.      AP Photo/Kostas Tsironis