Australia has poured cold water on the idea it could jointly lead the world's biggest climate conference with Turkey.

Both countries have days to try to resolve the years-long stand off over hosting rights for the 2026 United Nations climate conference as this year's COP30 draws to a close.

The mounting pressure has reportedly led Turkey to propose a joint presidency model with Australia, which would include sharing hosting duties for high-level meetings and jointly steering negotiations.

But cabinet minister Kristy McBain downplayed the suggestion.

"It's important that these deliberations play out," she told ABC News on Monday.

"(But) one of the reasons that we wanted to bring COP here and co-host it with our Pacific Island neighbours was so that people got a real understanding of wh

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