On the evening of March 23, 2013, "Earth Hour" will be held across the world. At 8:30 pm, regardless of time zone, participants from more than 150 countries will shut off non-essential lights and other electronics for one hour. The event was first conceived by the World Wildlife Fund, and although its concept is simple, the impact is larger. After Earth Hour 2012, data collected in Hong Kong showed that in that city alone, electricity use was lowered by 4.27 percent, preventing 146 tons of carbon dioxide from being produced.
The impact of Earth Hour goes beyond the direct energy savings. Its effect is also largely symbolic; with major global landmarks switching off their lights, such as the Sydney Opera House and the Eiffel Tower, Earth Hour increases awareness of sustainable living. Taking the step to live without unnecessary electricity, even for an hour, pushes many participants toward living more sustainable everyday lifestyles.
Read more about Earth Hour and pledge your own participation at earthhour.org.
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