6/25/2008
Daniel Sheridan found a way to turn children's energy into electrical power with a see-saw that generates electricity. The see-saw should generate enough electricity to light a classroom for a whole evening after only five to 10 minutes of use.
6/24/2008
A new city being built in the Middle East could become the model for the world's move to renewable resources. Could the U.S. be next in line for a carbon-free metropolis?






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