Edition:
United States
Pictures | Sun Apr 1, 2012 | 12:10am EDT

Earth Hour

<p>The Petronas Twin Towers in Kuala Lumpur, a Malaysian landmark, are pictured after lights were turned on after the Earth Hour March 31, 2012.  REUTERS/Bazuki Muhammad </p>

The Petronas Twin Towers in Kuala Lumpur, a Malaysian landmark, are pictured after lights were turned on after the Earth Hour March 31, 2012. REUTERS/Bazuki Muhammad

The Petronas Twin Towers in Kuala Lumpur, a Malaysian landmark, are pictured after lights were turned on after the Earth Hour March 31, 2012. REUTERS/Bazuki Muhammad

Close
1 / 33
<p>The Petronas Twin Towers in Kuala Lumpur, a Malaysian landmark, are pictured after lights were turned off for Earth Hour March 31, 2012. REUTERS/Bazuki Muhammad </p>

The Petronas Twin Towers in Kuala Lumpur, a Malaysian landmark, are pictured after lights were turned off for Earth Hour March 31, 2012. REUTERS/Bazuki Muhammad

The Petronas Twin Towers in Kuala Lumpur, a Malaysian landmark, are pictured after lights were turned off for Earth Hour March 31, 2012. REUTERS/Bazuki Muhammad

Close
2 / 33
<p>Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured lighted up before Earth Hour March 31, 2012. REUTERS/Tyrone Siu </p>

Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured lighted up before Earth Hour March 31, 2012. REUTERS/Tyrone Siu

Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured lighted up before Earth Hour March 31, 2012. REUTERS/Tyrone Siu

Close
3 / 33
<p>Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured with most of their lights switched off during Earth Hour March 31, 2012.REUTERS/Tyrone Siu </p>

Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured with most of their lights switched off during Earth Hour March 31,...more

Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured with most of their lights switched off during Earth Hour March 31, 2012.REUTERS/Tyrone Siu

Close
4 / 33
<p>The Bund on the banks of the Huangpu River is pictured before Earth Hour in Shanghai March 31, 2012. REUTERS/Aly Song </p>

The Bund on the banks of the Huangpu River is pictured before Earth Hour in Shanghai March 31, 2012. REUTERS/Aly Song

The Bund on the banks of the Huangpu River is pictured before Earth Hour in Shanghai March 31, 2012. REUTERS/Aly Song

Close
5 / 33
<p>The Bund on the banks of the Huangpu River is pictured during Earth Hour in Shanghai March 31, 2012. REUTERS/Aly Song </p>

The Bund on the banks of the Huangpu River is pictured during Earth Hour in Shanghai March 31, 2012. REUTERS/Aly Song

The Bund on the banks of the Huangpu River is pictured during Earth Hour in Shanghai March 31, 2012. REUTERS/Aly Song

Close
6 / 33
<p>China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", are seen before Earth Hour in Beijing March 31, 2012. REUTERS/David Gray </p>

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", are seen before Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", are seen before Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

Close
7 / 33
<p>China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", are seen during Earth Hour in Beijing March 31, 2012. REUTERS/David Gray </p>

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", are seen during Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", are seen during Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

Close
8 / 33
<p>The Welcome Statue (C) is seen before Earth Hour in Jakarta March 31, 2012. REUTERS/Supri </p>

The Welcome Statue (C) is seen before Earth Hour in Jakarta March 31, 2012. REUTERS/Supri

The Welcome Statue (C) is seen before Earth Hour in Jakarta March 31, 2012. REUTERS/Supri

Close
9 / 33
<p>The Welcome Statue (C) is seen during Earth Hour in Jakarta March 31, 2012. REUTERS/Supri </p>

The Welcome Statue (C) is seen during Earth Hour in Jakarta March 31, 2012. REUTERS/Supri

The Welcome Statue (C) is seen during Earth Hour in Jakarta March 31, 2012. REUTERS/Supri

Close
10 / 33
<p>China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", can be seen before Earth Hour in Beijing March 31, 2012. REUTERS/David Gray</p>

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", can be seen before Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", can be seen before Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

Close
11 / 33
<p>China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", can be seen during Earth Hour in Beijing March 31, 2012. REUTERS/David Gray </p>

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", can be seen during Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

China's National Stadium (R), also known as the "Bird's Nest", and the National Aquatics Center, also known as the "Water Cube", can be seen during Earth Hour in Beijing March 31, 2012. REUTERS/David Gray

Close
12 / 33
<p>A general view of the Leifeng Pagoda before Earth Hour in Hangzhou, Zhejiang province March 31, 2012. REUTERS/Steven Shi </p>

A general view of the Leifeng Pagoda before Earth Hour in Hangzhou, Zhejiang province March 31, 2012. REUTERS/Steven Shi

A general view of the Leifeng Pagoda before Earth Hour in Hangzhou, Zhejiang province March 31, 2012. REUTERS/Steven Shi

Close
13 / 33
<p>A general view of the Leifeng Pagoda during Earth Hour in Hangzhou, Zhejiang province March 31, 2012. REUTERS/Steven Shi </p>

A general view of the Leifeng Pagoda during Earth Hour in Hangzhou, Zhejiang province March 31, 2012. REUTERS/Steven Shi

A general view of the Leifeng Pagoda during Earth Hour in Hangzhou, Zhejiang province March 31, 2012. REUTERS/Steven Shi

Close
14 / 33
<p>Prambanan temple is seen before Earth Hour outside Yogyakarta city, Central Java March 31, 2012. REUTERS/Dwi Oblo </p>

Prambanan temple is seen before Earth Hour outside Yogyakarta city, Central Java March 31, 2012. REUTERS/Dwi Oblo

Prambanan temple is seen before Earth Hour outside Yogyakarta city, Central Java March 31, 2012. REUTERS/Dwi Oblo

Close
15 / 33
<p>Prambanan temple is seen during Earth Hour outside Yogyakarta city, Central Java March 31, 2012. REUTERS/Dwi Oblo </p>

Prambanan temple is seen during Earth Hour outside Yogyakarta city, Central Java March 31, 2012. REUTERS/Dwi Oblo

Prambanan temple is seen during Earth Hour outside Yogyakarta city, Central Java March 31, 2012. REUTERS/Dwi Oblo

Close
16 / 33
<p>The "Ham Ca Map" building is seen before Earth Hour in Hanoi March 31, 2012.  REUTERS/Kham </p>

The "Ham Ca Map" building is seen before Earth Hour in Hanoi March 31, 2012. REUTERS/Kham

The "Ham Ca Map" building is seen before Earth Hour in Hanoi March 31, 2012. REUTERS/Kham

Close
17 / 33
<p>The "Ham Ca Map" building is seen during Earth Hour in Hanoi March 31, 2012. REUTERS/Kham </p>

The "Ham Ca Map" building is seen during Earth Hour in Hanoi March 31, 2012. REUTERS/Kham

The "Ham Ca Map" building is seen during Earth Hour in Hanoi March 31, 2012. REUTERS/Kham

Close
18 / 33
<p>An ice-cream cart is pictured next to the India Gate before Earth Hour in New Delhi March 31, 2012. REUTERS/Parivartan Sharma </p>

An ice-cream cart is pictured next to the India Gate before Earth Hour in New Delhi March 31, 2012. REUTERS/Parivartan Sharma

An ice-cream cart is pictured next to the India Gate before Earth Hour in New Delhi March 31, 2012. REUTERS/Parivartan Sharma

Close
19 / 33
<p>An ice-cream cart is pictured next to the India Gate during Earth Hour in New Delhi March 31, 2012. REUTERS/Parivartan Sharma</p>

An ice-cream cart is pictured next to the India Gate during Earth Hour in New Delhi March 31, 2012. REUTERS/Parivartan Sharma

An ice-cream cart is pictured next to the India Gate during Earth Hour in New Delhi March 31, 2012. REUTERS/Parivartan Sharma

Close
20 / 33
<p>An historical part of Tbilisi is seen before Earth Hour, March 31, 2012.  REUTERS/David Mdzinarishvili </p>

An historical part of Tbilisi is seen before Earth Hour, March 31, 2012. REUTERS/David Mdzinarishvili

An historical part of Tbilisi is seen before Earth Hour, March 31, 2012. REUTERS/David Mdzinarishvili

Close
21 / 33
<p>An historical part of Tbilisi is seen during Earth Hour, March 31, 2012.   REUTERS/David Mdzinarishvili </p>

An historical part of Tbilisi is seen during Earth Hour, March 31, 2012. REUTERS/David Mdzinarishvili

An historical part of Tbilisi is seen during Earth Hour, March 31, 2012. REUTERS/David Mdzinarishvili

Close
22 / 33
<p>The Ivan Vazov national theatre is seen before Earth Hour in Sofia March 31, 2012.  REUTERS/Stoyan Nenov </p>

The Ivan Vazov national theatre is seen before Earth Hour in Sofia March 31, 2012. REUTERS/Stoyan Nenov

The Ivan Vazov national theatre is seen before Earth Hour in Sofia March 31, 2012. REUTERS/Stoyan Nenov

Close
23 / 33
<p>The Ivan Vazov national theatre is seen during Earth Hour in Sofia March 31, 2012. REUTERS/Stoyan Nenov </p>

The Ivan Vazov national theatre is seen during Earth Hour in Sofia March 31, 2012. REUTERS/Stoyan Nenov

The Ivan Vazov national theatre is seen during Earth Hour in Sofia March 31, 2012. REUTERS/Stoyan Nenov

Close
24 / 33
<p>A view shows the University embankment after Earth Hour in St. Petersburg March 31, 2012. REUTERS/Alexander Demianchuk </p>

A view shows the University embankment after Earth Hour in St. Petersburg March 31, 2012. REUTERS/Alexander Demianchuk

A view shows the University embankment after Earth Hour in St. Petersburg March 31, 2012. REUTERS/Alexander Demianchuk

Close
25 / 33
<p>A view shows the University embankment during Earth Hour in St. Petersburg March 31, 2012. REUTERS/Alexander Demianchuk </p>

A view shows the University embankment during Earth Hour in St. Petersburg March 31, 2012. REUTERS/Alexander Demianchuk

A view shows the University embankment during Earth Hour in St. Petersburg March 31, 2012. REUTERS/Alexander Demianchuk

Close
26 / 33
<p>St. Sava church is seen before Earth Hour in Belgrade March 31, 2012.  REUTERS/Marko Djurica</p>

St. Sava church is seen before Earth Hour in Belgrade March 31, 2012. REUTERS/Marko Djurica

St. Sava church is seen before Earth Hour in Belgrade March 31, 2012. REUTERS/Marko Djurica

Close
27 / 33
<p>St. Sava church is seen during Earth Hour in Belgrade March 31, 2012. REUTERS/Marko Djurica </p>

St. Sava church is seen during Earth Hour in Belgrade March 31, 2012. REUTERS/Marko Djurica

St. Sava church is seen during Earth Hour in Belgrade March 31, 2012. REUTERS/Marko Djurica

Close
28 / 33
<p>The Palace of Culture is pictured after Earth Hour in Warsaw March 31, 2012.   REUTERS/Kacper Pempel </p>

The Palace of Culture is pictured after Earth Hour in Warsaw March 31, 2012. REUTERS/Kacper Pempel

The Palace of Culture is pictured after Earth Hour in Warsaw March 31, 2012. REUTERS/Kacper Pempel

Close
29 / 33
<p>The Palace of Culture is pictured during Earth Hour in Warsaw March 31, 2012. 
REUTERS/Kacper Pempel </p>

The Palace of Culture is pictured during Earth Hour in Warsaw March 31, 2012. REUTERS/Kacper Pempel

The Palace of Culture is pictured during Earth Hour in Warsaw March 31, 2012. REUTERS/Kacper Pempel

Close
30 / 33
<p>A combination photo shows the Empire State Building with the lights turned off, and with the lights switched back on in participation with Earth Hour, in New York, March 31, 2012. REUTERS/Andrew Burton </p>

A combination photo shows the Empire State Building with the lights turned off, and with the lights switched back on in participation with Earth Hour, in New York, March 31, 2012. REUTERS/Andrew Burton

A combination photo shows the Empire State Building with the lights turned off, and with the lights switched back on in participation with Earth Hour, in New York, March 31, 2012. REUTERS/Andrew Burton

Close
31 / 33
<p>The Empire State Building and Brooklyn Bridge are seen with its lights turned off, in participation with Earth Hour, in New York March 31, 2012.  REUTERS/Allison Joyce </p>

The Empire State Building and Brooklyn Bridge are seen with its lights turned off, in participation with Earth Hour, in New York March 31, 2012. REUTERS/Allison Joyce

The Empire State Building and Brooklyn Bridge are seen with its lights turned off, in participation with Earth Hour, in New York March 31, 2012. REUTERS/Allison Joyce

Close
32 / 33
<p>People hold candles during the Earth Hour in the Central Place of Antigua, Guatemala,March 31, 2012. REUTERS/Jorge Dan Lopez </p>

People hold candles during the Earth Hour in the Central Place of Antigua, Guatemala,March 31, 2012. REUTERS/Jorge Dan Lopez

People hold candles during the Earth Hour in the Central Place of Antigua, Guatemala,March 31, 2012. REUTERS/Jorge Dan Lopez

Close
33 / 33

Next Slideshows

Myanmar's democratic spring

Myanmar prepares to vote in only its third election in 50 years, a test of its nascent democratic credentials.

Mar 30 2012

Falklands War: the Argentine side

A look at the war over the Falkland Islands (Islas Malvinas) from the Argentine side.

Mar 30 2012

The Falklands: 30 years later

PM Cameron says London stands "ready and willing" to defend the Falkland Islands, 30 years after Britain and Argentina went to war over the South Atlantic...

Jun 15 2012

London's little Venice

Largely hidden behind buildings, Regent's Canal sneaks its way through a rich collage of urban landscapes, from fashionable East London to Limehouse Basin.

Mar 30 2012

MORE IN PICTURES

Deadly Easter bombings in Sri Lanka

Deadly Easter bombings in Sri Lanka

Over 200 people were killed and at least 450 injured in bomb blasts that ripped through churches and luxury hotels in Sri Lanka on Easter Sunday, the first major attack on the Indian Ocean island since the end of a civil war 10 years ago.

Remembering the Columbine massacre

Remembering the Columbine massacre

It has been 20 years since two Columbine students stormed Columbine High School. a suburban Denver school, armed with shotguns and semiautomatic weapons, fatally shooting 12 students and a teacher before committing suicide.

Reuters wins Pulitzer Prize for migrant coverage

Reuters wins Pulitzer Prize for migrant coverage

Reuters wins the Pulitzer Prize for breaking news photography for its coverage of migrants traveling to the United States.

The blue forest of Belgium

The blue forest of Belgium

Wild bluebells form a carpet of blue in the Hallerbos, also known as the 'Blue Forest', near the Belgian city of Halle.

Photos of the week

Photos of the week

Our top photos from the past week.

Hundreds arrested in London climate protests

Hundreds arrested in London climate protests

At least 480 people have been arrested so far this week in climate change demonstrations across London by Extinction Rebellion.

The gauchos of Uruguay

The gauchos of Uruguay

Cowboys converge on Montevideo to show off their skills during Creole week celebrations.

Celebrating Holy Week

Celebrating Holy Week

Christians around the world celebrate the week leading up to Easter Sunday.

Mars in the desert

Mars in the desert

Chinese teenagers completed a tour of a space colony against a desolate backdrop at a Chinese-built Mars simulation base in the barren, windswept hills of Gansu province.

Trending Collections

Pictures

Podcast