Xinhua: U.S. Secretary of State Hillary Clinton, who is visiting Australia, Sunday urged countries to find ways to tackle climate change, despite the U.S. government’s decision to drop plans for an emissions trading scheme. Last week, U.S. President Barack Obama confirmed the cap-and- trade bill for carbon was dead, after a crushing result in the U.S. mid-term elections. Soon after the announcement, Australian federal opposition and business subsequently called for the Australian government to withdraw…