A system to improve plant growth including a building having an interior and an interior ceiling. The system also includes a series of tiered structures configured in a stepped manner within the building interior and a plurality of lights hung from the ceiling of the building in a stepped manner to mirror the stepped manner of the tiered structures. A series of shelves is positioned on the tiered structures and arranged to place a plurality of horticulture products thereon. The lighting may include solar cells and a solar recycling system associated with the lighting.
