The whole world turned off the lights on March 28, 2009

The International Fund for Nature Protection (WWF) has launched a campaign called Earth Hour around the world, to call for 1 billion people in 1,000 cities to turn off their electricity for an hour to help prevent the change. climate.

Picture 1 of The whole world turned off the lights on March 28, 2009

The 60 number in the Earth Hour logo represents 60 minutes of power off.Photo: WWF.

Earth Hour is a campaign for individuals and organizations all over the world to voluntarily turn off their lights for one hour on the last Saturday night in March every year, to confirm the message that each Individuals who work together can change the world.

In 2009, Earth Hour started at 20:30 on March 28, according to the time of each country. WWF hopes that about 1 billion people in 1,000 cities will join this one-hour shutdown campaign. People can only turn off lights or turn off other electrical devices.

"At 8:30 on March 28, we will witness one of the most memorable events when all over the world will sink into darkness to join hands resolutely to prevent climate change" , the Board of Organization Earth Hour official said.

Accordingly, the buildings stand out across the globe such as Dubai Tower - the tallest building in the world in the United Arab Emirates, CN Tower in Toronto (Canada), Sydney Theater (Australia), National University of Singapore, The Cathedral of Helsinki (Finland) . registered to turn off the power at this time.

Picture 2 of The whole world turned off the lights on March 28, 2009

Sydney Harbor Bridge during Earth Hour in 2007. Photo: Wikipedia.


In 2007, 2.2 million Sydney people (Australia) participated in the First Earth Hour campaign. One year later, 50 million people in 370 cities of at least 35 countries simultaneously switched off power on Earth Hour for the second time. Even during the third Earth Hour's first launch day, there were 74 cities in 62. participating countries.

According to WWF representative in Vietnam, soon, this organization will have propaganda campaigns calling on people to participate in Earth Hour.