Describes how hydrogen can be used to produce useful engergy.

Hydroelectricity is energy derived from the power of water in motion. Harnessing energy from water provides clean, available power that does not release harmful chemicals or carbons into the air. This book focuses on the benefits and drawbacks of this energy source and explains how hydro turbines, transformers, and power lines work to bring light to the world. Conservation tips give readers helpful suggestions on how to conserve electricity and become...

Describes the concept of a "carbon footprint" and describes ways that people can conserve energy and protect the environment.

This remarkable new book describes how water flow is being used in tidal and wave energy farms, and how the oceansthe worlds largest solar collectorscontain enough heat in the surface water to power the world!

"Wind energy harnesses the power of the wind. This clean, renewable energy is growing in its technology and popularity. Readers will learn how it is used, how it compares to other forms of energy, and how they may get involved in this exciting growing field some day."--

"Describes how wind can be used to produce useful engergy."--From source other than the Library of Congress