ABOUT EARTH HOUR
On Earth Hour hundreds of millions of people around the world will come together to call for action on climate change by doing something quite simple—turning off their lights for one hour. The movement symbolizes that by working together, each of us can make a positive impact in this fight, protecting our future and that of future generations. Learn more about how Earth Hour began, what we’ve accomplished, and what is in store for 2010.
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State Supporters
If you are an employee of any Governor's office, and you are authorized to commit your state to join Earth Hour 2010, please register now.
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Earth Hour Videos
Earth Hour Global
Frequently Asked Questions