#$%^&*AU2018232934A120200116.pdf#####ABSTRACT An environment-controlled multi-span structured greenhouse comprising a roof, four sides, a release blower equipped with a heating module and a capture manifold wherein in relatively cold weather geographical locations, a release blower 5 equipped with a cooling module wherein in relatively hot weather geographical locations for lowest cost supplementary heating and cooling of the greenhouse air, obviating burning fossil fuels thereby reducing global warming, the capture blower functions with the capture manifold wherein the external surfaces of the roof and the external surface of at least one side of the greenhouse comprise a diffused white film 0 at a predetermined areas and locations together with a thermal shading film affixed to the surface areas not comprising diffused white film, and wherein the greenhouse further comprises a mechanized module for adjusting the height of artificial light source and a module for melting snow. 5
