Senator EDWARDS (South Australia) (14:26): My question is to the Minister representing the Minister for Climate Change and Energy Efficiency, Senator Wong. I also refer the minister to the report by the Energy Users Association of Australia which shows that, following the implementation of Labor's carbon tax on 1 July this year, people in my home state of South Australia, like Queenslanders, will be paying some of the highest energy prices in the world. Is Labor proud of this achievement, which— Opposition senators interjecting— The PRESIDENT: Order! On my right, I am entitled to hear Senator Edwards and Senator Edwards is entitled to be heard in silence. Honourable senators interjecting— The PRESIDENT: Order! It would help the chamber if the discussion across the chamber in the front would cease. Senator Edwards. Senator EDWARDS: Is Labor proud of this achievement, which will not only add to the cost of living concerns of all South Australians but must surely make South Australia one of the least competitive places in the world to do business?