There is nothing further I would seek to add to the debate. The positions are clear. We understand where the Greens come from on these matters but I think the explanation I have given to the senator stands. I can understand the Greens, from their position, would not find any change acceptable to them. I accept that. That is the way they approach these matters but, with great respect, we believe there is the appropriate protection here in relation to the provisions of the EPBC Act which cover a multitude of possibilities and eventualities.