Australian Broadcasting Corporation: The Federal Opposition says the Government’s climate change modelling is meaningless because it fails to factor in the global economic crisis. A Senate Committee has heard that Treasury modelling has not considered the most recent meltdown. The Coalition’s emissions trading spokesman, Andrew Robb, says the Government will now struggle to meet its goal of bringing in a carbon reduction system in 2010. “We’re told it’s taken no account of the financial meltdown in the last …