There’s a lot of ‘good Earth’ in the all-natural Truchas Earthship.

When he designs a home, Michael Reynolds, founder and “biotect” of Earthship Biotecture, addresses six “major issues of sustenance for humanity”: comfortable shelter, electricity, water, containment and Treatment of sewage, treatment of garbage, and food. Those items, he says, “must be addressed in each building in today’s world if we are to escape the confines and problematic issues of infrastructure.”