Earthship Design Principles
Rigid insulation around building to isolate 6 foot x 6 foot block of mass from outer earth to stabilize comfort of interior space..
Roof catchment water system into water storage cistern with capability of well or community water back up.
The planters that hold hundreds of gallons of water from sinks and the shower are a great place for raising fresh fruits and vegetables.
Solar electricity with capabilities of wind, micro hydro, gas generator or conventional utility back up.
Waste Water Treatment
Contained grey water and black water treatment and distribution system with capability of conventional septic or community sewage connection.
Typically built with earth-rammed tires, but designs are also available for straw bale, concrete, or adobe.