An aquaponics and greenhouse system, includes an insulated solar greenhouse with a glazing on a sun facing side at an angle to maximize winter sunlight, and housing a fish tank housed within the solar greenhouse； a plant growing area housed within the solar greenhouse； a mushroom growing area housed within the solar greenhouse； a water wall thermal mass housed within the solar greenhouse and disposed between the plant growing area and mushroom growing area； and a natural air ventilation system housed within the solar greenhouse and configured to provide misted air into the mushroom growing area. 02 generated by the plant growing area is received by the natural air ventilation system and provided to the mushroom growing area, and C02 generated by the mushroom growing area is provided to the plant growing area.
