Australian Broadcasting Corporation: EMMA ALBERICI, PRESENTER: The politics of climate action is well understood in Australia, with the Coalition intent on scrapping the carbon tax and Labor and the Greens suggesting this is evidence that the Abbott Government isn't committed to reducing the country's greenhouse gas emissions. Now Britain's longest-serving Environment minister, Lord Deben, has entered the Australian debate. He's a Tory and he's on Labor's side. Lord Deben is the former chairman of the Conservative Party and he now heads...