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Earth Hour

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The Empire State Building is seen lit up before Earth Hour in New York March 26, 2011. Cities throughout the world took part in Earth Hour Saturday, during which lights were turned off for one hour at 8:30 p.m. local time in a show of support for renewable energy. REUTERS/Eric Thayer

The Empire State Building is seen lit up before Earth Hour in New York March 26, 2011. Cities throughout the world took part in Earth Hour Saturday, during which lights were turned off for one hour at 8:30 p.m. local time in a show of support for renewable energy. REUTERS/Eric Thayer

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A view of Times Square before Earth Hour in New York March 26, 2011. REUTERS/Eric Thayer

A view of Times Square before Earth Hour in New York March 26, 2011. REUTERS/Eric Thayer

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Times Square is seen with some lights turned off during Earth Hour in New York March 26, 2011. REUTERS/Eric Thayer

Times Square is seen with some lights turned off during Earth Hour in New York March 26, 2011. REUTERS/Eric Thayer

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A combination picture show the 'Gotaplatsen' square and 'Kungsportsavenyn' street before and during (picture below) the Earth Hour in Gothenburg, Sweden, March 26, 2011. REUTERS/Johan Nilsson/Scanpix

A combination picture show the 'Gotaplatsen' square and 'Kungsportsavenyn' street before and during (picture below) the Earth Hour in Gothenburg, Sweden, March 26, 2011. REUTERS/Johan Nilsson/Scanpix

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A combination photo shows the hill of the Acropolis and the Herodion theatre after and during (bottom) Earth Hour in Athens, March 26, 2011. REUTERS/John Kolesidis

A combination photo shows the hill of the Acropolis and the Herodion theatre after and during (bottom) Earth Hour in Athens, March 26, 2011. REUTERS/John Kolesidis

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A combination picture shows the Sydney city skyline on March 23, 2011 (top) before Earth Hour, and during Earth Hour March 26, 2011. REUTERS/Tim Wimborne

A combination picture shows the Sydney city skyline on March 23, 2011 (top) before Earth Hour, and during Earth Hour March 26, 2011. REUTERS/Tim Wimborne

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A combination photograph shows the National Stadium (top), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", before and during Earth Hour in Beijing March 26, 2011. REUTERS/David Gray

A combination photograph shows the National Stadium (top), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", before and during Earth Hour in Beijing March 26, 2011. REUTERS/David Gray

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A combination photo shows the skyscrapers of Singapore's central business district before (top) and during Earth Hour March 26, 2011. REUTERS/Tim Chong

A combination photo shows the skyscrapers of Singapore's central business district before (top) and during Earth Hour March 26, 2011. REUTERS/Tim Chong

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A combination photo shows a view of the Badaling section of the Great Wall before and during Earth Hour on the outskirts of Beijing, March 26, 2010. REUTERS/Jason Lee

A combination photo shows a view of the Badaling section of the Great Wall before and during Earth Hour on the outskirts of Beijing, March 26, 2010. REUTERS/Jason Lee

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A combination picture shows the Hermitage museum before (top) and during Earth Hour in St.Petersburg, March 26, 2011. REUTERS/Alexander Demianchuk

A combination picture shows the Hermitage museum before (top) and during Earth Hour in St.Petersburg, March 26, 2011. REUTERS/Alexander Demianchuk

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Rio de Janeiro's Arcos da Lapa square is pictured before lights were turned off for Earth Hour March 26, 2011. REUTERS/Ricardo Moraes

Rio de Janeiro's Arcos da Lapa square is pictured before lights were turned off for Earth Hour March 26, 2011. REUTERS/Ricardo Moraes

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Rio de Janeiro's Arcos da Lapa square is pictured after lights were turned off for Earth Hour March 26, 2011. REUTERS/Ricardo Moraes

Rio de Janeiro's Arcos da Lapa square is pictured after lights were turned off for Earth Hour March 26, 2011. REUTERS/Ricardo Moraes

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A combination of pictures shows the Cathedral before (L) and during Earth Hour in Lausanne March 26, 2011. REUTERS/Denis Balibouse

A combination of pictures shows the Cathedral before (L) and during Earth Hour in Lausanne March 26, 2011. REUTERS/Denis Balibouse

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A combination picture shows the Taipei 101 building before (L) and during Earth Hour in Taipei March 26, 2011. REUTERS/Nicky Loh

A combination picture shows the Taipei 101 building before (L) and during Earth Hour in Taipei March 26, 2011. REUTERS/Nicky Loh

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A combination picture shows a view of N Seoul Tower and a traditional octagonal pavilion before (L) and during Earth Hour in Seoul March 26, 2011. REUTERS/Jo Yong-Hak

A combination picture shows a view of N Seoul Tower and a traditional octagonal pavilion before (L) and during Earth Hour in Seoul March 26, 2011. REUTERS/Jo Yong-Hak

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A combination of pictures shows the Cathedral before (top) and during Earth Hour in Lausanne March 26, 2011. REUTERS/Denis Balibouse

A combination of pictures shows the Cathedral before (top) and during Earth Hour in Lausanne March 26, 2011. REUTERS/Denis Balibouse

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A combination photo shows the Hungarian parliament building before (top) and during Earth Hour in Budapest March 26, 2011. REUTERS/Laszlo Balogh

A combination photo shows the Hungarian parliament building before (top) and during Earth Hour in Budapest March 26, 2011. REUTERS/Laszlo Balogh

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A combination picture shows the Dvortsoi Bridge over the river Neva before (top) and during Earth Hour in St.Petersburg, March 26, 2011. REUTERS/Alexander Demianchuk

A combination picture shows the Dvortsoi Bridge over the river Neva before (top) and during Earth Hour in St.Petersburg, March 26, 2011. REUTERS/Alexander Demianchuk

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A combination picture show the Hogalid church (L) and the Ericsson Globe arena (C) before and during (picture below) the Earth Hour in Stockholm March 26, 2011. REUTERS/Johan Nilsson/Scanpix

A combination picture show the Hogalid church (L) and the Ericsson Globe arena (C) before and during (picture below) the Earth Hour in Stockholm March 26, 2011. REUTERS/Johan Nilsson/Scanpix

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A combination picture shows the Taj Hotel in Mumbai before (top) and after (bottom) lights were turned off for Earth Hour in Mumbai March 26, 2011. REUTERS/Danish Siddiqui

A combination picture shows the Taj Hotel in Mumbai before (top) and after (bottom) lights were turned off for Earth Hour in Mumbai March 26, 2011. REUTERS/Danish Siddiqui

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A combination picture shows the Our Lady of Remedies Parish (top) before Earth Hour, and during Earth Hour in Manila March 26, 2011. REUTERS/Cheryl Ravelo

A combination picture shows the Our Lady of Remedies Parish (top) before Earth Hour, and during Earth Hour in Manila March 26, 2011. REUTERS/Cheryl Ravelo

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A combination picture shows Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council before (top) and during Earth Hour, March 26, 2011. REUTERS/Bobby Yip

A combination picture shows Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council before (top) and during Earth Hour, March 26, 2011. REUTERS/Bobby Yip

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A combination picture shows the Welcome Statue fountain before (top) and during Earth Hour in Jakarta March 26, 2011. REUTERS/Supri

A combination picture shows the Welcome Statue fountain before (top) and during Earth Hour in Jakarta March 26, 2011. REUTERS/Supri

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A combination picture shows the Petronas Twin Towers in Kuala Lumpur before (top) and after lights were turned off for Earth Hour March 26, 2011. REUTERS/Bazuki Muhammad

A combination picture shows the Petronas Twin Towers in Kuala Lumpur before (top) and after lights were turned off for Earth Hour March 26, 2011. REUTERS/Bazuki Muhammad

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Saudi women light candles during Earth Hour at the eastern Gulf coast town of Qatif March 26, 2011. REUTERS/Zaki Ghawas

Saudi women light candles during Earth Hour at the eastern Gulf coast town of Qatif March 26, 2011. REUTERS/Zaki Ghawas

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