The Value of Cob Building

Three small cob homes (about 100 square feet each) cost around $500 each, not including labor. Quail Springs Permaculture, an educational non-profit in Southern California, built the houses over the span of a few months. According to their natural building director, Sasha Rabin, the structures were made using — along with reclaimed fixtures such as … Read more

Novel Material for Cooling Structures

Yi Zheng, an  associate professor of mechanical and industrial engineering at Northeastern University in Boston, has created a sustainable material that can be used to make buildings or other objects keep cool without relying on conventional cooling systems. Zheng envisions this “cooling paper” covering the roofs of buildings. The light-colored material reflects hot solar rays … Read more

An Experimentally Thatched Earthbag Dome

Last year the folks at Vide Terra in Italy built an earthbag dome and decided to experiment with a thatched roof without a wood frame. Reed, bracken, cane thatching and experimental broom thatching, were directly attached to the dome. They used an unusual plant for thatching that is very invasive, local and abundant in all … Read more

Michael G. Smith Writes about the Value of Cob

The following blog post was written by Michael G. Smith originally for motherearthnews.com and I have shamelessly posted it here to further spread his wise words.A group of about two dozen people gather on a wooded hillside in Northern California. They are women, men, and children, ranging in age from three to 72. They come … Read more

The Great Carbon Reckoning

When Kate Simonen, a professor who leads the Carbon Leadership Forum at the University of Washington, was a young architect experimenting with alternative approaches to conventional concrete. She called up her structural engineer on an educational-building project and asked if they could swap out some of the cement in their mix for fly ash. He … Read more