Architecture for Humanity Denver (AfH) and Open Tech Forever (OTF) are demonstrating that it is possible to build an open source, compressed earth block (CEB) house that meets the Living Building Challenge 2.1 standard.
Open Tech Forever: The Latest Architecture and News
Forever Home: Open Source Building Design Challenge
https://www.archdaily.com/452106/forever-home-open-source-building-design-challengeSebastian Jordana