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Lights Off, Shine On: World Honors Earth Hour

Lights went off in thousands of cities and towns across the world today for the annual Earth Hour event.
Image: Earth Hour in Germany
Fire jugglers perform their skills during Earth Hour in Osnabrueck, Germany, on March 29. Earth Hour takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes to raise awareness of the danger of global climatic change. FRISO GENTSCH / EPA

Lights went off in thousands of cities and towns across the world today for the annual Earth Hour event, organized by the World Wildlife Fund. Earth Hour takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes to raise awareness on a variety of environmental issues.

In the image above, fire jugglers perform during Earth Hour in Osnabrueck, Germany, on March Saturday.

People light candles to celebrate Earth Hour in a park in Bucharest, Romania, March 29.DANIEL MIHAILESCU / AFP - Getty Images
The UNESCO World Heritage Cologne Cathedral and the Hohenzollern railway bridge along the river Rhine, are seen during and before, top, Earth Hour in this combination picture on March 29. Earth Hour was first organized in 2007 with the goal of promoting a sustainable future for the planet.INA FASSBENDER / Reuters
A combination picture shows the National Stadium, also known as the 'Bird's Nest,' reflected in a lake before, top, and during Earth Hour at the Olympic Park in Beijing, on March 29.KIM KYUNG-HOON / Reuters