Earth Hour 2012

Mar 31, 2012, 17:35 PM IST
University students participate in a mini marathon in conjunction during the earth hour at the Great Wall of China in north of Beijing. Hundreds of landmarks around the world will be dimmed at 8:30 p.m. local time, as part of a global effort to shine a spotlight on climate change.
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University students participate in a mini marathon in conjunction during the earth hour at the Great Wall of China in north of Beijing. Hundreds of landmarks around the world will be dimmed at 8:30 p.m. local time, as part of a global effort to shine a spotlight on climate change.

Chinese actress Li BingBing takes part in a mini marathon in conjunction during the Earth Hour at the Great Wall of China in the north of Beijing. Hundreds of landmarks around the world will be dimmed at 8:30 p.m. local time, as part of a global effort to shine a spotlight on climate change.
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Chinese actress Li BingBing takes part in a mini marathon in conjunction during the Earth Hour at the Great Wall of China in the north of Beijing. Hundreds of landmarks around the world will be dimmed at 8:30 p.m. local time, as part of a global effort to shine a spotlight on climate change.

The Great Wall of China is lit up shortly before the lights go off to mark `Earth Hour` as part of a global effort to shine a spotlight on climate change in north of Beijing.
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The Great Wall of China is lit up shortly before the lights go off to mark `Earth Hour` as part of a global effort to shine a spotlight on climate change in north of Beijing.

Commercial buildings at Hong Kong`s central district switch off nonessential lights at Hong Kong`s central district to mark the annual Earth Hour.
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Commercial buildings at Hong Kong`s central district switch off nonessential lights at Hong Kong`s central district to mark the annual Earth Hour.

Commercial buildings at Hong Kong`s central district are seen before switching off nonessential lights at Hong Kong`s central district to mark the annual Earth Hour.
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Commercial buildings at Hong Kong`s central district are seen before switching off nonessential lights at Hong Kong`s central district to mark the annual Earth Hour.

This combination of two photos showing commercial buildings before, top, and after, bottom, turning off lights at Hong Kong`s central district, marking the annual Earth Hour.
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This combination of two photos showing commercial buildings before, top, and after, bottom, turning off lights at Hong Kong`s central district, marking the annual Earth Hour.

This combination of two photos showing Malaysia`s landmark Petronas Twin Towers before, top , and after, bottom, being turned off the lights to mark Earth Hour in Kuala Lumpur, Malaysia.
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This combination of two photos showing Malaysia`s landmark Petronas Twin Towers before, top , and after, bottom, being turned off the lights to mark Earth Hour in Kuala Lumpur, Malaysia.

Children wave their LED candles during an event to mark Earth Hour in Kuala Lumpur, Malaysia. Earth Hour takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes in a bid to highlight the global climate change.
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Children wave their LED candles during an event to mark Earth Hour in Kuala Lumpur, Malaysia. Earth Hour takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes in a bid to highlight the global climate change.

This combination of two photos shows Singapore`s famous tourism icon, The Merlion lit with multiple colors, top, and in darkness, below, as part of the city-state`s efforts to participate in this year`s
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This combination of two photos shows Singapore`s famous tourism icon, The Merlion lit with multiple colors, top, and in darkness, below, as part of the city-state`s efforts to participate in this year`s "Earth Hour", WWF`s global initiative to inspire support for actions to combat climate change.

A child lights a candle during a ceremony to mark Earth Hour at Palace Square in St.Petersburg, Russia.
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A child lights a candle during a ceremony to mark Earth Hour at Palace Square in St.Petersburg, Russia.

Volunteers of the World Wide Fund For Nature (WWF) place candles amongst about 5000 candles to form a picture of the globe prior to `Earth Hour` in front of the Brandenburg Gate in Berlin.
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Volunteers of the World Wide Fund For Nature (WWF) place candles amongst about 5000 candles to form a picture of the globe prior to `Earth Hour` in front of the Brandenburg Gate in Berlin.

People use candles to create the number 60, representing the minutes in an hour, to mark Earth Hour in La Paz, Bolivia.
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People use candles to create the number 60, representing the minutes in an hour, to mark Earth Hour in La Paz, Bolivia.

Indians stand near a formation made of candles to mark Earth Hour in New Delhi.
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Indians stand near a formation made of candles to mark Earth Hour in New Delhi.

In this two photo combination picture, showing the landmark India Gate is seen lit, top, and then the same location in darkness when the lights are turned out for one hour to mark Earth Hour.
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In this two photo combination picture, showing the landmark India Gate is seen lit, top, and then the same location in darkness when the lights are turned out for one hour to mark Earth Hour.

Volunteers of the World Wide Fund For Nature (WWF) place candles amongst about 5000 candles to picture the globe prior to `Earth Hour` in front of the Brandenburg Gate in Berlin.
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Volunteers of the World Wide Fund For Nature (WWF) place candles amongst about 5000 candles to picture the globe prior to `Earth Hour` in front of the Brandenburg Gate in Berlin.

The Lions Gate Bridge is pictured with it`s lights on, top, just before Earth Hour and bottom, after they were turned off for Earth Hour, in Vancouver.
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The Lions Gate Bridge is pictured with it`s lights on, top, just before Earth Hour and bottom, after they were turned off for Earth Hour, in Vancouver.

Participantes light candles around 60 minutes during a ceremony to mark Earth Hour in Islamabad.
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Participantes light candles around 60 minutes during a ceremony to mark Earth Hour in Islamabad.