Discussion :: Earth
- When and where did the concept of the Earth Hour started?
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A.
June, 2007 in Christchurch, New Zealand |
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B.
May, 2009 in Colombo, Srilanka |
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C.
April, 2008 in Tokyo, Japan |
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D.
March, 2007 in Sydney, Australia |
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Answer : Option D
Explanation :
The 2007 Earth Hour was held on March 31 in Sydney, Australia at 7:30 pm, local time. Since then it has grown to engage more than 180 countries and territories worldwide.
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