Hydrogen Fuel

by Barbara J Davis and M a Voege

Published 1 May 2010

Geothermal Energy

by Alan Wachtel and M a Voege

Published 1 January 2010
Geothermal energy--energy from Earth's molten core--has been used for thousands of years for heating and bathing. Today, it is one of the least environmentally disruptive sources of power by which electricity is generated. In Geothermal Energy, readers will discover how this clean, safe energy is currently used and how scientists view its future development.