More than 100 people have rallied against Adani's controversial Carmichael coal mine as the company's Australian boss spruiked the project to industry figures.
The protesters carried placards and chanted loudly outside the Sydney Mining Club on Thursday as chief executive Lucas Dow delivered his lunchtime speech.
"We're not going to stop until they listen," one speaker told the crowd.
They temporarily blocked the entrance to the Ivy Ballroom on George Street, guarded by about a dozen police officers.
Mr Dow was addressing the club about the project at its monthly meeting.
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"This project stacks up and we just want to get on with it," he said.
The Queensland government in January appointed an environmental group to review the mine's management plan, including plans to conserve 33,000 hectares of pastoral land bought near the 1300-hectare site to offset habitat loss for black-throated finch.
The LNP believes the move has put the project at risk.
