An ecopod or eco-capsule is a small, self-contained living structure built in a sustainable manner. These structures are often designed with a single interior room for useability. An ecopod goes hand in hand with simpler and more environmentally friendly living. It incorporates sustainable elements in its construction such as certified ecological wood, natural wood preservatives, local materials, the use of recycled materials whenever possible, natural ecological insulation, and a structure powered by renewable energy.