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In 2010,128 countreis participated in earth hour
I took part in earth hour and hope it saved the earth did you take part????
in 2010, 126 countries participated
In 2011, Earth Hour occurs at 8:30pm on Saturday 26 March.
It conserves electricity. For one hour, people turn off all unnecessary lighting in their homes and offices. This year's event occurred on March 27, from 8:30 to 9:30. Approximately one billion people participated.
Rain Falls from Earth Surviving Cambodia's Darkest Hour - 2011 was released on: USA: 30 November 2011
Earth hour starts at 8:30pm at your local time and finishes at 9:30pm your local time. In 2011, Earth Hour is on 26 March.
There are over 1 million people who partisapat in earth hour per year
Because they feel like it...
Because People want to save energy
Eight Thirty PM in every time zone in the world!
march 26 2011 that's Saturday at 8:30 to 9:30p.m.