Why has coal been such a prominent energy source? How can renewable energies be stored most effectively? Linking science to practical applications and social issues to realistic goals, this series orients ecologically conscious readers toward the future of Harnessing Energy. With a special section devoted to historical moments involving the energy source, details on key inventors and notable discoveries, and statistics to back up objective reports, each title seeks to present a fully contextualized history of the featured energy form. A must-have for any STEM unit on energy studies.