Children learn that clean water is one of our most precious natural resources. In this book, boys and girls are told about dozens of ways in which they and their families can avoid wasting water. Part of every child's development involves asking questions. Today, some of the most important questions kids ask are related to the natural environment. The enlightening and entertaining four-book "Why Should I?" series demonstrates the importance of protecting nature. Books present brief, entertaining stories that answer children's questions and feature amusing color illustrations on every page. A note at the back of each book is for parents and teachers, suggesting ways to use these books most effectively.