• CNN - "Farm makes oil from pond scum"

Earth Policy Institute. 

• Solar Cell Sales Booming.

University of Delaware. 

• Mapping the Global Wind Power Source.

Renewable Energy Access.com. 

• Wind Turbines Not a Threat to U.S. Bird Population.

• Offshore Wind Energy Potential for the United States

Apollo Alliance.   

American Solar Energy Society.

Solar Buzz - Fast Facts.

Picken's Plan.