The Earth Hour campaign is making it's way across North America, as Canada and the US start going dark for climate change.The event organized by the World Wildlife Fund began Saturday at the International Date Line in the Pacific Ocean and is sweeping westward as each time zone reaches 8:30pm.
The campaign is asking for people to turn off their household lights and appliances for one hour in order to raise awareness and make a statement to political figureheads about reducing carbon emissions.
So far, Toronto's C.N. Tower, The Empire State Building in New York, the National Cathedral in Washington and Coca-Cola headquarters in Atlanta have all gone black.
Other sites expected to participate are the Las Vegas Strip and Mount Rushmore. In Canada, Manitoba is the next to participate as Earth Hour moves into the central time zone.
So is it Earth Hour actually working? Well, Ontario Hydro reports that power usage has dropped over nine percent over the course of the hour long campaign.
We will be providing special coverage of Earth Hour throughout the night. And if you're participating in Earth Hour, we'd love to see how! Upload your photos to our 'Your Weather Gallery.' You can find it under the Related Links section above.