Rio’s controversial Warkworth coal mine extension close to final approval

[caption id="attachment_836726" align="aligncenter" width="600"] Bulga's Mount Thorley-Warkworth open cut mine. (Image courtesy of Rio Tinto)[/caption] Global miner Rio Tinto (ASX, LON:RIO) has scored a major win in its battle to extend its Mount Thorley-Warkworth coal mine in Australia, after New...