Join millions of Americans and turn off non-essetial lighting in support of action on climate change and toward a cleaner future.
More than 80 million people in the U.S. participated in last years event. Around the world, nearly one billion in more than 4,000 cities participated.
Earth Hour is a global campaign of the World Wildlife Fund and will take place betwen 8:30 and 9:30 pm on Satruday, March 27.
Don’t forget to check out the story on the Hybrid Street Light Project while you’re here.