Brazil is betting its much-hyped climate summit in the Amazon next month can deliver something increasingly rare in a fractured world: proof that nations can still unite to confront a global crisis.

It faces tough odds, with a hostile United States unlikely to show up, political appetite for climate action at a low ebb, and eye-watering prices for accommodation threatening turnout.

Some 50,000 attendees are expected at the two-week COP30 conference starting November 10 in Belem, a city in one of Brazil's poorer states best known as a gateway to the Amazon rainforest.

On Monday, climate ministers meet in Brasilia ahead of the marathon UN negotiations that bring together nearly every nation for the most important climate talks of the year.

Belem is a symbolic yet fraught setting and a personal choice of Brazil's President Luiz Inacio Lula da Silva, who wants to spotlight the rainforest's role in absorbing carbon dioxide.

But pressure is mounting on COP30 to provide more than just a scenic backdrop as the world approaches the 1.5C warming target agreed under the Paris climate accord a decade ago.

The last two years were the hottest ever recorded, and major polluters are........

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