Other
Texas Comptroller of Public Accounts: The Energy Report: Hydrogen [Pdf]
Chapter 22 of a report on the energy industry in Texas. It looks at hydrogen as an energy source, its history, and uses. The economic impact of the hydrogen energy sector in Texas is described, the consumption of hydrogen, methods of...
State Energy Conservation Office-Texas
State Energy Conservation Office: Renewable Energy Guide for Buildings [Pdf]
A basic guide for ways to be more energy-efficient and to use more renewable energy sources in a building. These include methods of reducing heat or cool air loss, ways of harnessing solar energy, and using the wind for ventilation.
Other
Texas Comptroller of Public Accounts: The Energy Report: Solar Energy [Pdf]
Chapter 10 of a report on the energy industry in Texas. It examines solar energy, its history, and how it is used. The solar power industry in Texas is described, its economic importance, methods of producing it, and how it is...
US Department of Energy
U.s. Department of Energy: Energy Basics: Renewable Energy: Geothermal
Find out about renewable energy resources using geothermal technologies as the source. Learn how scientists have discovered how to utilize sustainable heat from the Earth using several methods.
TeachEngineering
Teach Engineering: Environment
Through 10 lessons and more than 20 hands-on activities, students are introduced to the concept of an environment and the many interactions within it. As they learn about natural and human-made environments, as well as renewable and...