16Without limiting any other item, the requirement that—

16 Without limiting any other item, the requirement that— (a) a building; or (b) building products, building methods, designs, components, equipment or systems (including systems used in connection with a building); or (c) land used in conjunction with a building; or (d) fixtures, fittings or other items associated with land comprising the site of any building, comply with any requirement relating to the sustainability of a building, or of the occupation or use of a building, from an environmental perspective, including so as to provide efficiencies with respect to the use of water, electricity or other resources or forms of energy, to reduce greenhouse gas emissions or the use of resources or energy, or to provide a rating system to facilitate the assessment of proposed development or to regulate the use or development of any building in accordance with prescribed standards.