Senator PRATT (Western Australia—Deputy Government Whip in the Senate) (14:30): Incoming Chair of the Climate Change Authority and former New South Wales Liberal Treasurer and energy minister Matt Kean, yesterday said about nuclear— Honourable senators interjecting— The PRESIDENT: Senator Pratt, please resume your seat. Order across the chamber! I could not hear Senator Pratt's question. Honourable senators interjecting— The PRESIDENT: Order! Senator Pratt, would you please begin again? Senator PRATT: I can begin again if the clock is reset. The PRESIDENT: Sure. Senator PRATT: Incoming Chair of the Climate Change Authority and former New South Wales Liberal Treasurer and energy minister, Matt Kean, yesterday said about nuclear energy— Honourable senators interjecting— The PRESIDENT: Senator Pratt— Honourable senators interjecting— The PRESIDENT: Order across the chamber! Senator McKenzie interjecting— The PRESIDENT: Senator McKenzie! Order! I would like to— Senator McKenzie interjecting— The PRESIDENT: Senator McKenzie! I would like to be able to hear Senator Pratt ask her question. Senator Pratt, please continue. Senator PRATT: Matt Kean said, 'It would take far too long and be far too expensive.' Can the minister please explain to the Senate why renewables are the best way to achieve a more reliable, affordable and cleaner energy future for Australia?