Bloomberg: An Australian parliamentary committee urged the government to commit to deeper cuts in carbon gas pollution as a “matter of urgency.” The government should target an 80 percent reduction in greenhouse gas levels by 2050, rather than its 60 percent goal, the Joint Standing Committee on Treaties said in a report submitted to parliament in Canberra today. Australia uses 2000 levels as its base. “This is very onerous for Australia,” Kelvin Thomson, chair of the committee, which can …