New and Old Sustainable Building Materials

The manufacture of concrete, steel, and glass uses vast amounts of raw materials and water and emits copious amounts of greenhouse gases per year. A staggering 8% of total global carbon dioxide emissions come from cement manufacture alone. Moreover, embodied carbon, which is carbon released over the entire life cycle of a building, including end-of-life … Read more

Modern Rammed Earth Home in San Antonio, Texas

Rammed earth is an ancient building technique that’s had a resurgence with many green builders. The exterior walls are made of compacted soil which provides thick thermal mass that is fireproof and pest proof. The structure was designed by a Mexican architect who modeled it after the Roman-style central courtyard designs popular in many Latin … Read more

Material Carbon Emissions from New Homes

I just got this email from Chris Magwood, of the the Endeavour Centre in Canada, that I would like to share with you. Builders for Climate Action has recently released two major studies examining material carbon emissions from as-built new homes. The studies include large samples, with 34 homes in Nelson, BC and 503 homes … Read more

Rustic Underground Homes in France

RenĂ© Douma and his mom Marianne began building houses into the hillside on the family farm without any experience in underground construction. Relying on books and online forums, they excavated a knoll behind their farmhouse and used 45 acacia trees from the property to shore up the walls and roof. After a waterproofing layer of … Read more