Cob is a low-carbon material poised for a revival, according to scientist Steve Goodhew. In this Building with Cob interview, he explains how his invention, CobBauge, is guiding the way. "Cob has the potential of being one of the mainstream material choices," Goodhew told Dezeen. "All the science has been done – it's out there, you can do it," he said. Cob is a type of unfired earth-based construction material made from clay-rich subsoil, mixed with fibrous material such as straw and water...