7-Eleven lights off

A 7-Eleven store observes Earth Hour, a worldwide lights-off movement organized by the World Wildlife Fund (WWF) in this undated photo. 7-Eleven, Inc. said Wednesday it will take part in this year's Earth Hour on March 22, by switching off electric lights for one hour from 8:30 to 9:30 p.m. at all its outlets in Taiwan. Photo courtesy of7-Eleven, Inc.