Here's a link to a recent report handed down by the Queensland Ombudsman on the Cougar Energy and DERM issues etc...
It's an interesting read but it also mentions that it's not a full report due to ongoing legal proceedings.
The Underground Coal
Gasification Report
http://www.parliament.qld.gov.au/documents/tableOffice/TabledPapers/2012/5412T1124.pdf
Cheers