AAP: The federal opposition has taken the knife to funding to clean up coal, as climate change re-enters the election campaign. Both major parties announced climate policies on Saturday. The Liberals focused on ending what it called the “free ride” for the coal industry, while Labor focussed on green farming. The opposition said it would axe hundreds of millions of dollars of funding to clean up coal. Labor had a $2 billion plan to shore up coal’s future by fostering Carbon …