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Green Dreams - Learn More
In Learn More the National Geographic magazine team shares some of its best sources and other information to expand your knowledge of our featured subjects. Special thanks to the Research Division.
Related Links

National Renewable Energy Laboratory
Learn how you can use renewable energy technology in and around your home by visiting this website sponsored by one of the nation's premier laboratories devoted to renewable energy research and development.

Ethanol Producer Magazine
Keep up-to-date on what's happening in the field of ethanol production by reading this trade publication online.

Energy Efficiency and Renewable Energy
This Department of Energy site details how biofuels are made, where you can buy biofuels in the United States, and what companies are producing them.

Detchon, Reid. Biofuels FAQ. Energy Future Coalition and United Nations Foundation, 2006.

Johansson, Thomas B., and others, eds. Renewable Energy: Sources for Fuels and Electricity. Island Press, 1993.

Koplow, Doug. "Biofuels: At What Cost?" Global Subsidies Initiative, October 2006.

Pearce, Fred. "Fuels Gold." New Scientist (September 23, 2006), 36-41.

Unica. Production and Use of Fuel Ethanol in Brazil. March 2007.

NGS Resources

Loftus, Margaret. "It's Not So Simple, Being Green." National Geographic Traveler (June 2007), 18, 22, 25.

Eliot, John L. "Food for the Road." National Geographic (November 2002), Department: Geographica.

Nicklen, Paul. "Ice on the Run, Seas on the Rise." National Geographic (June 2007), 32-55.

Appenzeller, Tim. "The Big Thaw." National Geographic (June 2006), 56-71.