Senator WONG (South Australia—Minister for Foreign Affairs and Leader of the Government in the Senate) (14:20): I don't accept the characterisation. This is a mechanism that is about making sure the largest emitters have a pathway to contribute to net zero by 2050. I know that there are those who would like governments to pick and choose sectors in terms of making a contribution, and I know there are particular political views that the Greens political party have on these issues. We think the best approach is to ensure that the market can see a predictable pathway to achieving these reductions. Because it's all very well to talk about targets, but the most important thing is to have policy mechanisms which actually— Senator Whish-Wilson interjecting— The PRESIDENT: Order! Senator Whish Wilson, I've just called you to order! Minister Wong, I've called you back to continue answering the question if you have anything further to add. Senator WONG: The point I'm making is that we want a mechanism that actually ensures these targets are delivered, because there's no point in talking about action on climate change if we can't deliver it. And we are determined to deliver it, something that this country has not been able to do because of the attitude of those opposite for too many years. (Time expired) The PRESIDENT: Senator Waters, a second supplementary?