Cob is made from a mixture of sand, clay, and straw. Ancient 'cob house' building technique may be key to cheap sustainable homes: 'All the comforts of home and the natural world' first appeared on ...

Teach yourself how to build a plastic bottle house with cob and transform trash into a home. I build houses out of trash. I was inspired by the life of Kenyan Nobel laureate Wangarĩ Maathai, who said, ...