AP Photos: Cities go dark for 'Earth Hour'

AAA??Mar. 23, 2013?4:28 PM ET
AP Photos: Cities go dark for 'Earth Hour'
The Associated Press??The Associated Press

Onlookers watch Taipei 101 building as it turns its lights off to observe international "Earth Hour" campaign, Saturday, March 23, 2013, in Taipei, Taiwan. Around 100 people gathered outside the skyscraper Saturday, using energy saving LED lights to observe the global event that encourages people to turn off their lights for 60 minutes. (AP Photo/Wally Santana)

Onlookers watch Taipei 101 building as it turns its lights off to observe international "Earth Hour" campaign, Saturday, March 23, 2013, in Taipei, Taiwan. Around 100 people gathered outside the skyscraper Saturday, using energy saving LED lights to observe the global event that encourages people to turn off their lights for 60 minutes. (AP Photo/Wally Santana)

In this combination two photos the Belarusian National Library taken before and after the lights are turned off is seen during the worldwide Earth Hour, a global campaign to highlight the threat of climate change, with lights turned on at top, and below with lights turned off, in Minsk, Belarus, Saturday, March 23, 2013. Earth Hour was marked 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. Monument of Belarusian enlightener Frantsysk Skorina is on left. (AP Photo/Sergei Grits)

In this two photo combination picture, the Indian Presidential Palace is seen lit, top, and then the same location in darkness when the lights are turned out for one hour to mark Earth Hour, in New Delhi, India, Saturday, March 23, 2013. Earth Hour was marked 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. (AP Photo/Altaf Qadri)

The city skyline is seen lit through the suspension wires of the Singapore Flyer which is also lit on Saturday, March 23, 2013 in Singapore. More than 100 buildings, locations and organizations in Singapore switched off their lights as part of the global Earth Hour initiative by World Wide Fund for Nature (WWF) along with other national monuments around the world. (AP Photo/Wong Maye-E)

People ride in darkness in a capsule of the Singapore Flyer as the lights are switched off for a whole hour on Saturday, March 23, 2013 in Singapore. More than 100 buildings, locations and organizations in Singapore switched off their lights as part of the global Earth Hour initiative by World Wide Fund for Nature (WWF) along with other national monuments around the world. (AP Photo/Wong Maye-E)

It's something of a voluntary rolling blackout: Communities around the globe are going dark for an hour on Saturday evening as part of an initiative called "Earth Hour," to raise awareness of climate change.

In more than 7,000 cities and towns across the planet, millions of residents are turning off their lights for an hour from 8:30 to 9:30 p.m. local time to show their environmental concern.

Here are some photos of "Earth Hour" observances.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/3d281c11a96b4ad082fe88aa0db04305/Article_2013-03-23-Earth%20Hour-Photo%20Gallery/id-29d00e58560549bc875a223049cbde31

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