Volunteer at Hacienda Hughes Earthship Haven in Colorado Hacienda Hughes EarthshipAn Earthship is a type of building designed around passive solar principles, resource efficiency and a degree of self-sufficiency in water and energy systems. Haven is an off-gridOff-grid refers to a place or lifestyle operating partly or fully independently from public utilities, often using its … Continue reading Work and live in an Earth-ship in Colorado, U.S.A.