Renewable energy : a concise guide to green alternatives / Jennifer Carless. Carless, Jennifer. Renewable energy sources United States Juvenile literature. TJ807.9.U6 C37 1993 333.794 20 CAR Includes bibliographical references (p. 145-162) and index. Discusses the availability, advantages, and environmental aspects of such alternative energy sources as solar power, wind energy, and hydropower. New York : Walker, 1993. 1993. 1993 Text viii, 168 p. : eng United States