An Introduction to Ecological and Natural Building Techniques Including Rubble Trench and Rock Foundation, Wattle and Daub, Earth Bags, Cob, Natural Plasters, and Rocket Mass Heaters! July 21st to the 28th, 2018 Intro to Ecological Construction For thousands of years, people have been building their homes out of the dirt beneath their feet. Natural and vernacular building techniques have roots in every culture around the world, but share the distinction of using local materials, being energy efficient, and having a…