- Earth Hour
 - Information about Earth Hour 2007: On 31 March 2007, more than 2 million Sydney businesses and households turned off their lights for one hour, Earth Hour, creating a powerful global message that it's possible to take action on climate change. - Earth Hour - TheStar.com
- Toronto Star coverage of Earth Hour, the annual global event where people around the world will turn off the lights in their homes and businesses to conserve power and draw attention to climate change.
- Earth Hour Blog
- News from around the globe tracking Earth Hour events and activities.
- Earth Hour North America
- Join millions of people around the world in making a statement about climate change by turning off your lights for the annual March event, Earth Hour. Learn how the event began, which cities are involved, and how you can make difference all year long.
- YouTube - Earth Hour Channel
- Coverage of the Saturday, March 29, event where people around the world will be joining together to turn out their lights at 8 p.m. for Earth Hour, taking a stand against climate change.
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