Lisa Bullard 
Go Easy on Energy [PDF ebook] 

We use electricity and other types of energy every day. But did you know that some kinds of energy can make Earth dirty? Join Tyler to learn how we can use energy wisely. Do your part to be a planet protector! Discover how to reduce, reuse, recycle, and more with Tyler and Trina in the Planet Protectors series, part of the Cloverleaf Books(TM) collection. These nonfiction picture books feature kid-friendly text and illustrations to make learning fun!