Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
10.1
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
21902
Points per Word
0.000183
Page Count
112
Points per Page
0.035714
Description
This book reviews the history of energy use, looks at the development of solar, wind, geothermal, and other power alternatives, and discusses the need to create a sustainable energy future.