Further Reading

FURTHER READING A. Witze. “Pooping pandas may make better biofuels.” Science News. August 30, 2011. Learn more about renewable energy and energy-saving tips from the U.S. Department of Energy. Learn all about giant pandas from the Smithsonian National Zoological Park. J. Cutraro. “Microbes at the gas pump.” Science News for Kids. April 4, 2006. S. Oosthoek. “Plant-powered plastics.” Science News for Kids. July 13, 2011.