Photos: Lights out around the world for Earth Hour
Earth Hour, when everyone around the world is asked to turn off lights for an hour from 8.30 p.m. local time, is meant as a show of support for tougher action to confront climate change
Members of SPLASH, the Etobicoke School of the Arts' show choir, sing during a WWF-Canada lantern walk in Roncesvalles Village, celebrating Earth Hour, on March 23, 2013.Galit Rodan/The Canadian Press
Emiratis light candles to mark Earth Hour near Burj Khalifa in Dubai on March 23, 2013.JUMANA EL HELOUEH/Reuters
People hold candles during an event attempting to establish a Guinness World of Record for blowing out the most candles simultaneously during Earth Hour in Shanghai March 23, 2013. Earth Hour, when everyone around the world is asked to turn off lights for an hour from 8.30 p.m. local time, is meant as a show of support for tougher action to confront climate change.CARLOS BARRIA/Reuters
A combination picture shows the Sydney Opera House on March 21, 2013 (top) before Earth Hour, and during Earth Hour March 23, 2013.DANIEL MUNOZ/Reuters
A combination picture shows Sydney’s central business district on March 21, 2013 (top) before Earth Hour, and during Earth Hour March 23, 2013.DANIEL MUNOZ/Reuters
A combination picture shows the financial Central District of Hong Kong (top) before Earth Hour, and during Earth Hour March 23, 2013.BOBBY YIP/Reuters
These combo photos show the Taipei 101 Building before, left, and after, right, turning off its lights to mark the Earth Hour in Taipei, Taiwan, Saturday, March 23, 2013. Earth Hour, when everyone around the world is asked to turn off lights for an hour from 8.30 p.m. local time, is meant as a show of support for tougher action to confront climate change.Chiang Ying-ying/The Associated Press
The Bund on the banks of the Huangpu River is pictured during Earth Hour in Shanghai March 23, 2013.ALY SONG/Reuters
The Bund on the banks of the Huangpu River is pictured before Earth Hour in Shanghai March 23, 2013. Earth Hour, when everyone around the world is asked to turn off lights for an hour from 8.30 p.m. local time, is meant as a show of support for tougher action to confront climate change.ALY SONG/Reuters
Heavy traffic moves in front of the India Gate during Earth Hour in New Delhi March 23, 2013.MANSI THAPLIYAL/Reuters
Singer Tung Duong (C) performs with children during Earth Hour in front of the Opera House in Hanoi March 23, 2013.KHAM/Reuters
A combination picture shows Hofburg Palace in Vienna before and during Earth Hour on March 23, 2013.HEINZ-PETER BADER/Reuters
The Parthenon temple stands atop the Acropolis hill before turning off the lights to mark the annual Earth Hour in Athens, on March 23, 2013. In Greece, floodlights in several monuments and public buildings were switched off for one hour at 8:30 p.m. local time.Kostas Tsironis/The Associated Press
Sri Lankan youths hold up torches to mark Earth Hour in Colombo on March 23, 2013.DINUKA LIYANAWATTE/Reuters