Australian Broadcasting Corporation: The Federal Government and the Greens are arguing over who is to blame for the failure of the emissions trading scheme (ETS) legislation. The decision to shelve the ETS has coincided with a dip in the polls for Labor and a lift for the Greens. But Labor MPs say they will use the election campaign to remind voters that Australia could have had an ETS in place if the Greens had supported the Government late last year. Government frontbencher Anthony Albanese says the …