The 31st UN climate conference, COP31, is under way in Antalya, Türkiye, and it opens with a blunt message from the United Nations: global warming is now set to exceed 1.5°C. This article explains what that means, what the latest UN reports say, and which questions the summit has to answer.
When and where is COP31 taking place?
According to the United Nations, COP31 runs from November 9 to 20, 2026, in Antalya, Türkiye. The UN describes the conference as a critical opportunity for countries to accelerate climate action and strengthen cooperation, and it highlights two themes: speeding up the clean energy transition and turning existing commitments into action. It also points to record-breaking temperatures, escalating climate impacts and growing energy insecurity as the backdrop.
The conference is the annual meeting of the countries that are parties to the UN climate framework. Its outcomes are decided by negotiation among those countries, which is why summit results tend to be incremental, hedged and tied to deadlines far in the future.
What did the UN Emissions Gap Report 2026 find?
The UN published the Emissions Gap Report 2026, titled “The point of return,” on October 21, 2026. Its central finding is that global temperature rise is set to exceed 1.5°C above pre-industrial levels. The report calls for deep, fast emissions cuts to limit the size and length of that overshoot and to bring temperatures back to 1.5°C by the end of the century.
The UN also summarized two projections for where warming is headed this century:
| Scenario | Projected warming this century |
|---|---|
| Current policies continue | About 2.8°C |
| All current national climate plans are delivered | About 2.6°C |
| “Lowest possible” overshoot pathway | Peak of about 1.7 to 1.8°C by mid-century |
The gap between the first two rows is smaller than many readers expect: even full delivery of today’s national plans, known as nationally determined contributions, trims only about 0.2°C off the current-policy path (2.8 minus 2.6). The third row is not a forecast but a scenario that depends on far faster cuts.
What does “overshoot” actually mean?
Overshoot means temporarily going above a temperature limit and then coming back down. In the UN’s framing, the 1.5°C goal from the Paris Agreement can no longer be held without exceeding it first. The remaining question is how high the peak goes, how long temperatures stay above the line, and whether they return below 1.5°C by the end of the century.
UN Secretary-General António Guterres put it this way: “Overshoot is not surrender.” He described the goal as bringing temperatures back below 1.5 degrees by the end of the century. UN Environment Programme Executive Director Inger Andersen said countries “must pull out all the stops to minimize peak warming” and added that “this is possible.”
The wording matters. Overshoot is not a free pass, because every extra tenth of a degree and every extra year above the limit adds risk. It is better understood as a damage-limitation framework that begins from the admission that the original target has been missed.
How fast would emissions need to fall?
The UN says the lowest-overshoot path requires emissions to fall, relative to 2025 levels, by 18% by 2030, 45% by 2035 and 69% by 2040. A simple worked example shows the scale. If 2025 emissions are set at an index of 100, the required path is:
- 2030: 82 (100 minus 18)
- 2035: 55 (100 minus 45)
- 2040: 31 (100 minus 69)
In other words, emissions would have to drop by more than two-thirds within 15 years. The step from 2030 to 2035 alone is a fall of 27 index points, the steepest of the three stretches.
Which fuels and technologies carry the load?
The UN’s summary of the report sets out how much the share of each fossil fuel in the energy supply would have to shrink compared with 2025:
| Fuel | Minimum fall by 2035 | Minimum fall by 2040 |
|---|---|---|
| Coal | 55% | 75% |
| Oil | 15% | 30% |
| Gas | 5% | 35% |
Beyond fuel shares, the UN says renewable capacity needs to triple and the annual rate of energy efficiency improvement needs to double by 2030. Those two goals, tripling and doubling, are the clearest yardsticks negotiators can use to judge whether a final summit text is serious. Energy security is part of the debate, too: countries worried about supply and prices often cite those concerns when weighing how quickly to move away from fossil fuels. The same cost pressures sit behind the policy debate described in why the IMF favors targeted aid over price caps.
Is adaptation money keeping up?
Cutting emissions is only half of the climate bargain. Adaptation, meaning measures that reduce harm from the warming already locked in, is the other half. The UN Adaptation Gap Report 2026, dated November 4, found that international public adaptation finance flowing from developed to developing countries falls far short of estimated needs of $305 billion per year by 2035.
The report adds a sobering calculation. The COP30 goal is to triple international public finance flows to developing countries by 2035. Even if that goal is met, the UN says it would cover only 20% to 29% of what those countries need. Illustrative arithmetic on the $305 billion figure:
- 20% of $305 billion is about $61 billion
- 29% of $305 billion is about $88 billion
- The uncovered remainder is therefore roughly $217 billion to $244 billion a year
Those figures are derived from the UN’s percentages, not separately published by it, and they are rounded. They show why many developing countries treat adaptation finance as a make-or-break issue at the summit.
What are negotiators likely to be judged on?
Several questions will shape how COP31 is remembered:
- Do new commitments close the gap? The UN’s comparison of 2.8°C and 2.6°C shows that existing pledges, even if fully met, leave warming far above the Paris range. Stronger national plans would be the most direct response.
- Is there language on overshoot? Whether the final text acknowledges that 1.5°C will be exceeded, and commits to bringing temperatures back down, would be a notable shift in tone.
- Does adaptation finance move? With a funding gap of the size the UN describes, the discussion of money for resilience is likely to be as contentious as the one on emissions.
- Are energy targets specific? Tripling renewables and doubling efficiency by 2030 are measurable. Vague references to a “transition” are not.
Climate outcomes also spill into other global pressures. Drier regions face tougher choices over supply, a theme covered in why water scarcity is becoming a bigger global issue, and fast-growing cities will bear much of the physical risk, as shown in the UN cities report on global housing. Food systems are exposed as well, as described in the latest look at global hunger and healthy diets.
Reading the summit’s outcome without the spin
Conference closing statements often describe progress in generous terms. A few checks help cut through that. Compare any new pledge with the 18%, 45% and 69% cuts the UN says are needed by 2030, 2035 and 2040. Look for whether finance is stated in dollar amounts and years rather than aspirations. And note which parts of the text are binding commitments, which are invitations and which are simply restatements of earlier goals.
The UN’s message going into Antalya is that the 1.5°C limit will be breached, but that the depth and speed of cuts in this decade will decide how far and how long. The summit will not settle that on its own, yet it is the main place where the next round of promises is made, and where those promises can be measured against the numbers above.
This article is general information about world affairs and is not policy, legal or financial advice.
Sources: United Nations
