The Government dismissed the Institute’s report, claiming we don’t understand the Kyoto accounting rules and didn’t make adjustments for differences in methods. These claims are false (and are addressed in a paper available on the Institute’s website). Even if they were correct, the fact remains that NCAS is a black box: its data are not available to members of the public and are not subject to regular, independent scrutiny. To ensure the integrity of Australia’s greenhouse accounts, there needs to be an independent review of NCAS and the entire system must be made more transparent. If this doesn’t occur, doubts will continue to linger over Australia’s claims about its superior greenhouse performance.