A closed loop system for growing vegetation is provided. The closed loop system includes at least a first transport conveyor and a second transport conveyor. Each of the first and second transport conveyors includes a front end opposite a rear end. The present invention further includes at least a first transfer conveyor. A lighting system is positioned to emit light towards the first transport conveyor and a second transport conveyor. The present invention further includes at least one terrace structure. The first transport conveyor transports at least one terrace structure from the front end to the rear end, the first transfer conveyor transfers the at least one terrace structure from rear end of the first transport conveyor to the front end of the second transport conveyor and the second transport conveyor transports the at least one terrace structure from the front end to the rear end.
