Bloomberg: Australian climate adviser Ross Garnaut urged companies to work with the government on emissions trading, saying they couldn’t afford to ignore climate change. Garnaut this month released a draft for a “broadly based” cap-and-trade emission trading plan, as used in the European Union, starting in 2010. BHP Billiton Ltd., the world’s biggest miner, noted the report “with interest” and Xstrata Plc, the largest exporter of energy coal, said the system should be “fair and …