Montana Couple Build Their Own Hybrid Cob House

Daniel and Katherine Ray first came across cob houses when they were in college. “We stumbled across a photo of a cob house in Wales and we got really interested, so we started collecting lots of pictures of other people’s cob houses. It was a pot-shot dream that we really wanted to do,” Ray said. … Read more

Showcase of Natural Building at OUR Ecovillage

Freya’s House is an off-grid green building that showcases multiple natural building techniques from straw bale, cob, and rammed earth walls, to earthen floors, a green roof, and reclaimed, salvaged and locally sourced materials. It uses solar power for electricity, a legal composting toilet, and on-site greywater filtration. The house is located at O.U.R Ecovillage … Read more

From the Earth Up: Building with Adobe, Cob, & Daub

Witness the interplay of earth, water, and straw to create in-fill walls for a hand-crafted timber frame structure. Stone, clay, bamboo and straw are combined to create beautifully finished walls. Many hands come together, to gather stones, make adobes, mix cob, harvest bamboo to build natural walls that are durable and breathable. Multiple methods of … Read more

How to Build an Earthquake-Resistant Home: An Earthbag Construction Manual

The folks at Good Earth Global prepared a guide titled How to Build an Earthquake-Resistant Home: An Earthbag Construction Manual for Engineering for Change’s members and readers and it was published at It starts out with this introduction: Earthbag technology has emerged as the building method best suited to rebuild rural Nepal after its … Read more

Lego-Like Hempcrete Blocks

These hempcrete blocks are a green building material made with a hemp-lime insulation mixture packed around a biocomposite structural frame. They can be stacked like bricks to build walls up to 30 feet high and they become the insulation and the structure of the building. All you need to do after the walls are built … Read more