Product Description: The Interactive Resource Center is an online learning environment where instructors and students can access the tools they need to make efficient use of their time, while reinforcing and assessing their understanding of key concepts for successful understanding of the course...read more

Product Description: As early as the 1960s innovative builders were beginning to design and construct underground and earth-covered houses. At first this different approach to house building was simply an outgrowth of the search for alternative life-styles, but since the energy shortages of the seventies, many homeowners have rekindled their interest in earth-sheltered dwellings for the energy savings they afford...read more