Maryland News Lights Out For Earth Hour 2011 March 28, 2011 / 12:12 PM EDT / CBS News Earth Hour In Mumbai Earth Hour In Mumbai Earth Hour In Islamabad This Combination Picture Shows The Parth Lights Out At Patronas Twin Towers Earth Hour 2011 In China Earth Hour 2011 In China Earth Hour 2011 In China Earth Hour 2011 In China Earth Hour 2011 In China Earth Hour 2011 In China Earth Hour In Mumbai Light Dim At Seoul N Tower This combo of photos shows the Seoul N Tower before (L) and after (R) the lights were turned off for Earth Hour in Seoul on March 26, 2011. (credit: PARK JI-HWAN/AFP/Getty Images) Taipei Marks Earth Hour Sydney Dims For Earth Hour
