'Major polluters face mounting pressure': UN climate summit avoids utter breakdown with last-ditch deal.

When dawn was breaking the Amazonian city of Belém on Saturday morning, representatives remained confined in a windowless conference room, oblivious whether it was day or night. They had been 12 hours in tense discussions, with numerous ministers representing multiple blocs of countries from the least developed nations to the wealthiest economies.

Patience wore thin, the air thick as sweaty delegates acknowledged the harsh reality: they would not reach a comprehensive agreement in Brazil. The 30th UN climate conference teetered on the brink of abject failure.

The sticking point: Fossil fuels

As science has told us for nearly a century, the carbon dioxide produced by consuming fossil fuels is increasing temperatures on our planet to critical levels.

However, during more than three decades of yearly climate meetings, the crucial requirement to stop fossil fuel use has been addressed only once – in a decision made two years ago at the Dubai climate summit to "transition away from fossil fuels". Delegates from the Arab Group, Russia, and multiple other countries were determined this would not be repeated.

Increasing pressure for change

Simultaneously, a expanding group of countries were just as committed that movement on this issue was vitally needed. They had formulated a proposal that was earning increasing support and made it evident they were prepared to stand their ground.

Less wealthy nations urgently needed to move forward on securing economic resources to help them manage the increasingly severe impacts of extreme weather.

Breaking point

During the night of Saturday, some delegates were willing to walk out and force a collapse. "The situation was precarious for us," stated one energy minister. "I was prepared to walk away."

The critical development occurred through discussions with Saudi Arabia. Near 6am, senior representatives separated from the main group to hold a closed-door meeting with the lead Saudi negotiator. They encouraged text that would indirectly acknowledge the global commitment to "move beyond fossil fuels" made two years earlier in Dubai.

Unanticipated resolution

As opposed to explicitly namechecking fossil fuels, the text would refer to "the UAE consensus". Upon deliberation, the Saudi delegation unforeseeably accepted the wording.

The room showed visible relief. Applause rang out. The deal was finalized.

With what became known as the "Amazon accord", the world took an incremental move towards the gradual elimination of fossil fuels – a uncertain, limited step that will minimally impact the climate's continued progression towards disaster. But nevertheless a notable change from total inaction.

Important aspects of the agreement

• In addition to the subtle acknowledgment in the legally agreed text, countries will begin work a framework to systematically reduce fossil fuels
• This will be largely a optional undertaking led by Brazil that will provide updates next year
• Addressing the necessary cuts in greenhouse gas emissions to remain below the 1.5C limit was likewise deferred to next year
• Developing countries achieved a significant expansion to $120bn of regular financial support to help them manage the impacts of environmental crises
• This sum will not be delivered in full until 2035
• Workers will benefit from a "fair adjustment program" to help people working in fossil fuel sectors move toward the clean economy

Differing opinions

With global conditions teeters on the brink of climate "critical thresholds" that could eliminate habitats and force whole regions into disorder, the agreement was far from the "giant leap" needed.

"The summit provided some baby steps in the right direction, but considering the scale of the climate crisis, it has not met the occasion," warned one climate expert.

This flawed deal might have been the maximum achievable, given the international tensions – including a Washington administration who avoided the talks and remains committed to oil and coal, the rising tide of conservative movements, ongoing conflicts in multiple regions, unacceptable degrees of inequality, and global economic uncertainty.

"Fossil fuel corporations – the oil and gas companies – were finally in the spotlight at these negotiations," notes one climate activist. "There is no turning back on that. The political space is available. Now we must convert it to a real fire escape to a protected environment."

Deep fissures revealed

Even as nations were able to applaud the official adoption of the deal, Cop30 also highlighted significant divisions in the only global process for confronting the climate crisis.

"UN negotiations are consensus-based, and in a period of geopolitical divides, agreement is progressively challenging to reach," stated one international diplomat. "We should not suggest that these talks has achieved complete success that is needed. The disparity between where we are and what research requires remains dangerously wide."

Should the world is to prevent the most severe impacts of climate crisis, the international negotiations alone will not be nearly enough.