Senator DI NATALE (Victoria—Leader of the Australian Greens) (14:19): My question is to the Leader of the Government in the Senate, Senator Cormann, representing the Prime Minister. Minister, last week Australia's emissions data was released and it showed that pollution from coal, oil and gas is at record-high levels, and the only reduction that is coming is coming from livestock that has been slaughtered because of a climate driven drought. The carbon price was developed—you might remember the first female Prime Minister of Australia, Prime Minister Gillard. Remember working constructively with the Greens, working constructively with the crossbench— Opposition senators interjecting— The PRESIDENT: Order! Order on my left! Senator Di Natale, please resume your seat. We'll stop the clock. Opposition senators interjecting— The PRESIDENT: Order on my left! We will waste time for non-government parties, if I can't continue question time. Senator Di Natale, please continue. Senator DI NATALE: As I was saying, the carbon price was developed by the Gillard government with the Greens and the crossbench. That remarkable piece of public policy drove down emissions across the economy, with economic growth higher than you are presiding over today, Minister. So, Minister, why is the Liberal Party on a unity ticket with the Labor Party in refusing to introduce a price on carbon? Honourable senators interjecting— The PRESIDENT: Order! I will call the minister when there is order. Honourable senators interjecting— The PRESIDENT: It is an uncommon situation for interjections to be flowing vertically through the table rather than horizontally, I might say. I will call the minister to answer when I can hear him. Senator Cormann.