Lights Out For Earth Hour 2011

Earth Hour At The Colosseum In Rome
Earth Hour At The Colosseum In Rome
A combo photo shows Colosseum in Rome with lights (up) and without lights (down) during Earth Hour Day, a global event organized by the World Wildlife Fund (WWF), on March 26, 2011. Hundreds of landmark buildings and millions of ordinary homes were switching off their lights as the annual “Earth Hour” moved around the globe in what was dubbed the world’s largest voluntary action for the environment. (credit: TIZIANA FABI/AFP/Getty Images)
Earth Hour In Mumbai
Earth Hour In Mumbai
An Indian child holds lighted candles during an Earth Hour campaign in Mumbai on March 26, 2011. Dozens of Indians lit candles to observe Earth Hour and called for voluntary action against climate change. (credit: SAJJAD HUSSAIN/AFP/Getty Images)
Earth Hour In Mumbai
Earth Hour In Mumbai
Indians hold lighted candles during an Earth Hour campaign in Mumbai on March 26, 2011. Dozens of Indians lit candles to observe Earth Hour and called for voluntary action against climate change. (credit: SAJJAD HUSSAIN/AFP/Getty Images)
Earth Hour In Islamabad
Earth Hour In Islamabad
Pakistani people gather in front of the parliament house where are displayed candles during an Earth Hour in Islamabad on March 26, 2011. (credit: FAROOQ NAEEM/AFP/Getty Images)
This Combination Picture Shows The Parth
This Combination Picture Shows The Parth
This combination picture shows the Parthenon (R) and Erechteion Temples at the Athens landmark Acropolis before and after the lights were switched off for Earth Hour on March 26, 2011. (credit: LOUISA GOULIAMAKI/AFP/Getty Images)
Lights Out At Patronas Twin Towers
Lights Out At Patronas Twin Towers
This combination of images shows Malaysia’s iconic land mark Patronas Twin Towers seconds before (L) and after (R) the lights were switched off for Earth Hour in Kuala Lumpur, on March 26, 2011. (credit: SAEED KHAN/AFP/Getty Images)
Earth Hour 2011 In China
Earth Hour 2011 In China
(credit: ChinaFotoPress/Getty Images) The Tianyi Square is seen before the Earth Hour 2011 power switch off on March 26, 2011 in Ningbo, Zhejiang Province of China.
Earth Hour 2011 In China
Earth Hour 2011 In China
Light’s out! About 86 Chinese cities joined a WWF worldwide initiative Earth Hour, to call on people to switch off unnecessary lights for one hour tonight, in support for energy-saving efforts and global warming prevention as a shared responsibility. (credit: ChinaFotoPress/Getty Images)
Earth Hour 2011 In China
Earth Hour 2011 In China
This composite photograph shows “Bird’s Nest” before and during the Earth Hour 2011 power switch off on March 26, 2011 in Beijing, China. (credit: ChinaFotoPress/Getty Images)
Earth Hour 2011 In China
Earth Hour 2011 In China
This composite photograph shows Xi’an Bell Tower before and during the Earth Hour 2011 power switch off on March 26, 2011 in Xi’an, Shaanxi Province of China. (credit: ChinaFotoPress/Getty Images)
Earth Hour 2011 In China
Earth Hour 2011 In China
This composite photograph shows Swan Lake before and during the Earth Hour 2011 power switch off on March 26, 2011 in Hefei, Anhui Province of China. (credit: ChinaFotoPress/Getty Images)
Earth Hour 2011 In China
Earth Hour 2011 In China
This composite photograph shows the Central Business District before and during the Earth Hour 2011 power switch off on March 26, 2011 in Beijing, China. (credit: Feng Li/Getty Images)
Earth Hour In Mumbai
Earth Hour In Mumbai
An Indian family hold lighted candles during an Earth Hour campaign in Mumbai on March 26, 2011. Dozens of Indians lit candles to observe Earth Hour and called for voluntary action against climate change.
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)
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)
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
Taipei Marks Earth Hour
This combo shows the before and after views of the Taipei 101 building as Taipei marks “Earth Hour” on March 26, 2011. (credit: SAM YEH/AFP/Getty Images)
Sydney Dims For Earth Hour
Sydney Dims For Earth Hour
In this composite image the Sydney Skyline is seen before (top) and after the lights are switched off for Earth Hour on March 26, 2011 in Sydney, Australia. (credit: Lisa Maree Williams/Getty Images)

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