Business Green: Australia’s climate change policy is resting on a knife edge after both leading parties failed to secure a working majority in Saturday’s election, leaving the future make up of any government in the hands of a small band of Green and independent MPs. With just a small number of seats yet to declare both the ruling Labor Party and the opposition Liberals are expected to fall short of the 76 seats they need to form a working majority — resulting in the first hung parliament in the …