Australian Broadcasting Corporation: The Federal Government’s former climate change adviser Ross Garnaut says Australia’s credibility on the issue would be boosted if the Senate were to pass an emissions trading scheme. Professor Garnaut says the differences between the Government and Opposition over the scheme do not look good internationally. “With the 2020 target on the table, if the rest of the world is prepared to accomodate strong mitigation, I think our interests would be served by passing ETS,” he …