Earth Hour is organized by the World Wildlife Fund and its mission is to make a global statement of concern about climate change and to demonstrate commitment to finding solutions. The ongoing campaign is held on the last Saturday of March.

it begain in Sydney in 2007 and it gained global attention last year with 35 flagship cities and 400 participating cities. To participate, you can sign up on the Earth Hour website. By doing so, you are committing to turning off non-essential lights and electric appliances for one hour. This year there are over 750 cities world wide that have signed up.

By the way, 101 buildings have signed up in metro Atlanta. Look for another reminder soon.