Energy!

What is Renewable Energy?
http://www.depweb.state.pa.us/justforkids/cwp/view.asp?a=3&q=472538

About Renewable Energy
http://www.eere.energy.gov/kids/renergy.html

Energy Facts
http://www.eia.doe.gov/kids/energyfacts/index.html

Energy Kids
http://www.energykids.energyaustralia.com.au/renewable_energy

Solar Energy
http://energyquest.ca.gov/story/chapter15.html

Wind Energy
http://energyquest.ca.gov/story/chapter16.html