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Earth Hour Earth Hour campaign activities actually began in 2007 in Sidney, Australia. At that time WWF Australia, Fairfax Media, and Leo Burnett worked together to campaign reducing greenhouse gas emissions in the city. In 2008, Earth Hour became a global campaign activities attended by about 37 cities in 30 countries worldwide, and from year to year participants of Earth Hour activities is increasing. Indonesia started following campaign activities Earth Hour since 2009, Jakarta is the first city of the event. Then, in the following years several major cities in Indonesia have also been following for the Earth Hour activities. Although held in different dates, but usually these activities held on Saturdays in the 3rd week of March, at 20.30 until 21.30. This years Earth Hour 2016 was held on March, 19.  Some of the reasons why they are carried on the day or time include: At the end of March, the majority of countries around the world are experiencing the change of s...