National Geographic Channel is teaming up with the World Wildlife Federation to support Earth Hour 2008 in the United States

National Geographic Channel is teaming up with the World Wildlife Federation to support Earth Hour 2008 in the United States. On Saturday, March 29th, four American Cities--Chicago, Phoenix, San Francisco, and Atlanta--will go dark in this dramatic call for action on climate change. Nat Geo Channel is the official Earth Hour 2008 channel. NatGeo030608.pdf

Sustainability