Senator ROBERTS (Queensland) (12:29): I seek leave to make a short statement. The PRESIDENT: Leave is granted for one minute. Senator ROBERTS: One Nation will be opposing this. It's important to understand that bleaching is a natural reaction to natural weather events. In the winter of 2008, we had record cold temperatures in southern Queensland and the reef bleached. The Barrier Reef was formed in warmer times 6,000 to 8,000 years ago, and the Barrier Reef is in fine condition right now. The Chief Scientist has said that there'll be no impact whatsoever from completely shutting down Australia's hydrocarbon use. So there's no benefit, but look at the costs. The intermittent energy has huge costs, sending jobs overseas and hurting families in the hip pocket. No benefit—huge cost. It's a no-brainer.