Wondering about cob vs earthship. I suppose the food growing would be one major difference, but what else? I've seen a lot of great cob living spaces and I'm sure it's possible to combine - earthship construct with cob styling
plaster igloo - see also earth houses. A sustainable and abstract interior space, unlike such architecture by Adolf Loos. This space redefines the user's space in a unique and beautiful (although beauty can be truly subjective) place.