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

Stone Buildings Dating Back 8 Millennia in UAE

Archaeologists in the United Arab Emirates have uncovered the country’s oldest known buildings, dating back at least 8,500 years. This is more than 500 years older than the previous record-breaking discoveries. The buildings are located on the island of Ghagha, west of the city of Abu Dhabi. The structures which have been unearthed are “simple … Read more