. . . . . . . . . . "Juvenile works" . "Juvenile works"@en . . "Energie" . "Explores where energy comes from, how we use it, and how its waste affects the environment, along with a discussion of renewable energy sources, how recycling can save energy, and how to reduce personal energy waste." . . . . . . . "The books in this series explain how everyone can help the environment by reducing waste. Readers will explore the cycle of waste and its harmful effetcs, discover the difference between renewable and nonrenewable sources, and find out about ways to reuse and recylce materials. Ages 8+"@en . . . . . . "Energy"@en . . . "Energy" .