- What timeline options were delegates debating?
- How did the timeline discussions unfold?
- What were the main points of disagreement?
- Why is the IPCC in a ‘serious funding crisis’?
- How have scientists reacted?
- What other issues remain unresolved?
- How are the IPCC AR7 reports progressing?
- How might the IPCC use AI and enhance gender inclusivity?
The UN’s climate change body is bringing back regular gatherings in the Global South in 2025 after the annual week-long events were cancelled last year due to lack of funding and a strategic rethink.
From now on, the UNFCCC will organise two “Climate Weeks” a year, with a new format more closely focused on turbo-charging talks on key issues including climate finance, the “just transition” away from fossil fuels and the development of carbon markets under Article 6 of the Paris Agreement.
The events aim to assemble government negotiators, technical experts and representatives from civil society and business with the goal of building political momentum and accelerating progress ahead of the year’s main negotiating sessions usually held in Bonn in June and the headline COPs in November.
Unlike their previous versions, the new climate weeks will no longer have a tight regional focus, but are intended to serve as a conduit for local perspectives to feed into global discussions on efforts to cut greenhouse gas emissions and adapt to the impacts of global warming.
2025 summits in Latin America and Africa
A first event is expected to be held in the first half of the year in Latin America, while an African nation is due to play host to a second climate week in the run-up to COP30, which will take place in the Brazilian city of Belém this November.
In 2025, the climate weeks will also focus on supporting the submission of ambitious national climate plans, known as nationally determined contributions (NDCs), before the annual climate summit.
After Trump’s pullback, Bloomberg promises to fill US funding gap to UN climate body
UNFCCC chief Simon Stiell said “this approach will help bridge the gap between technical dialogues and stakeholder engagement focused on real-economy solutions and real-world implementation”.
The new focus for the climate weeks “aims to help the government-led process to deliver faster progress and concrete outcomes that benefit all economies and people’s daily lives, while also delivering cost-savings in the process”, he added.
Cost and emissions savings
Civil society groups and some government officials, especially from vulnerable countries, voiced “huge disappointment” last year when the UNFCCC scrapped its regional climate weeks – widely seen as an important fixture for climate dialogue in the Global South.
The UN climate body made the decision amid wider financial challenges caused by governments’ failure to provide enough money for its rising needs as work on different areas of climate action grows.
Climate Home understands the UNFCCC’s budget has since marginally improved as some countries cleared years-long arrears, including the United States under former President Joe Biden’s administration, while others, like Japan and Germany, made significant voluntary contributions.
Last month, US billionaire Michael Bloomberg announced that his philanthropic foundation would step in to fill a funding gap left by climate-sceptic President Donald Trump’s order to halt contributions.
The climate weeks will primarily rely on funding that has been earmarked for the ever-expanding list of workshops and technical discussions requested by countries. As some of these events will now be grouped together in a single week and location, the UNFCCC expects to cut overall costs and lessen the environmental impact thanks to reduced travel.
Host countries and other governments could also contribute funding for the organisation of the events.
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UN Climate Weeks to restart with new focus on fast-tracking negotiations
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Climate Change
Paris Agreement committee names three countries snubbing it over NDCs
Three countries have been named by the Paris Agreement’s compliance committee for failing to submit a nationally determined contribution (NDC) and repeatedly snubbing offers of help with their climate plans.
After months of internal debate over whether to identify serial non-responders, the Paris Agreement’s Implementation and Compliance Committee (PAICC) named the three countries which have failed to engage with it over their NDCs on Friday.
It named Democratic Republic of Congo, Senegal and North Korea in a footnote of its annual report, adding that it decided to name them “with a view to facilitating engagement”, adding that representatives of the three nations had been invited to its meeting in early 2027 “with the purpose of identifying any challenges and constraints”.
“The Committee noted the importance of Parties engaging with the Committee in a timely manner, while noting that some delays may be due to the national capabilities and circumstances of the Parties”, the report said.
In July, PAICC said 12 countries had ignored its repeated attempts to discuss why they had not published an NDC as required every five years under the 2015 Paris accord.
Members of the committee had been divided over whether to name them, but at a September meeting decided to do so in their annual report to the annual climate COP summit.
By the time the report was published on Friday, only Congo, Senegal and North Korea “had not communicated an NDC or submitted a [Biennial Transparency Report] and had not yet responded to any of the Committee’s notifications, despite several reminders issued by the Committee in this regard”.
Rainforest and renewable energy ambitions
The silence from Congo and Senegal is notable because the former is home to much of the Congo Basin rainforest while the latter has sought billions of dollars in climate finance to support its renewable energy ambitions.
After Brazil, Congo has more rainforest than any country in the world. This forest, and the country’s peatlands, absorb huge amounts of greenhouse gas but are fast being lost to expanding farmland, charcoal production, logging and mining.
Senegal signed a Just Energy Transition Partnership with Canada and wealthy European nations in 2023, to help it meet its renewable energy targets under the-then government of Macky Sall. It was chair of the Least Developed Countries group between January 2022 and December 2023.

Tejas Rao, who is researching the PAICC as part of a doctoral thesis at Cambridge University, said the governments of the three countries should engage with the committee.
“Engagement costs these governments very little and the committee has shown it will listen,” he said.
“Silence leaves the committee with no basis to help, and it leaves the [governments] exposed to the narrative that they are simply disengaged,” he told Climate Home News.
Paris Agreement requirement
The 2015 Paris Agreement requires all parties to publish an NDC every five years outlining their emissions reduction targets, with each plan meant to be more ambitious than the country’s last NDC.
The latest set – the third round of plans, with new targets for 2035 – was due in February 2025. While most countries missed this deadline, all but around 30 – mostly small emitters but including Egypt, Vietnam and Argentina – have now submitted them.
Over the year, the PAICC – which is made up of government climate officials from developed and developing countries – has been communicating with governments that have not submitted NDCs and trying to overcome barriers to them doing so.
Some nations have cited exceptional circumstances as the reason for not submitting an NDC, a process that requires a significant amount of work in tracking emissions and consulting on how to curb them across the economy. For example, a letter from a Sudanese official to the PAICC, seen by Climate Home News, said that the country’s civil war had led to the suspension of its NDC preparation.
The US and Iran are not signed up to the Paris Agreement and so do not have active NDCs, nor does Taiwan, which is not a UN member state.
Rao said that because the PAICC is “facilitative and non-punitive”, naming the countries “is meant to open a door, not close one – the invited consultation is the point”.
“In recent months, governments that explained their constraints, whether capacity, finance or domestic process, have been met with follow-up and support rather than sanction, and the number of silent governments has fallen sharply,” Rao said.
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Paris Agreement committee names three countries snubbing it over NDCs
Climate Change
Q&A: Why a pivotal IPCC meeting in Ethiopia ended in ‘profound disappointment’
Countries have failed – for the sixth time running – to agree on the timeline for publishing the Intergovernmental Panel on Climate Change’s (IPCC) next set of influential reports.
The IPCC’s 65th session (IPCC-65) was seen by many to be the final opportunity for countries to agree on a schedule where its seventh assessment report (AR7) would be published in time for the UN’s second “global stocktake” of climate action.
Before last week’s meeting in Addis Ababa, Ethiopia, IPCC chair Prof Sir Jim Skea had warned that releasing the reports in time for the stocktake in 2028 would depend on a timelines being agreed by the end of 2026.
But the week-long meeting descended into fraught disagreements between governments, resulting in Skea “suspending” the talks on Friday evening with no decision made.
Countries were also unable to agree on the IPCC’s budget for the rest of the AR7 cycle, leaving the body with a “serious funding crisis”.
The IPCC has pledged to reconvene the meeting at the “earliest opportunity”; however, it has not yet given an indication of when this will be.
In his concluding remarks, Skea described the Addis Ababa summit as a “profound disappointment” and “among the most difficult IPCC meetings”, according to reporting from the Earth Negotiations Bulletin (ENB).
Some countries have reacted with dismay to the breakdown of negotiations, warning that a failure to have the IPCC’s latest assessments on climate adaptation and mitigation ready for the UN stocktaking exercise would undermine global climate action.
A climate envoy from a Pacific island state said it was a “travesty that a handful of countries continue to delay the IPCC’s reports – the science we need back home to help us save lives and livelihoods”.
Below, Carbon Brief explores the key developments, debates and disagreements at the IPCC meeting.
- What timeline options were delegates debating?
- How did the timeline discussions unfold?
- What were the main points of disagreement?
- Why is the IPCC in a ‘serious funding crisis’?
- How have scientists reacted?
- What other issues remain unresolved?
- How are the IPCC AR7 reports progressing?
- How might the IPCC use AI and enhance gender inclusivity?
What timeline options were delegates debating?
Top of the agenda during the Addis Ababa meeting was a decision on the timeline of the publication of AR7’s three working group reports – also known as the “work plan”. The three reports cover climate science (WG1), impacts and adaptation (WG2) and mitigation (WG3).
Countries failed to reach a resolution on the scheduling of the influential reports at five consecutive IPCC meetings since 2024 – despite drafting being well underway.
(For more, see Carbon Brief’s write-up of discussions in Istanbul, Sofia, Hangzhou, Lima and Bangkok.)
Reporting from the ENB from inside these meetings has highlighted that countries are split, broadly, into two groups – those that want all three reports to be published in time for the UN’s second “global stocktake” in 2028, and those that one, or more, to be published afterwards.
A key pillar of the Paris Agreement, the global stocktake is a formal assessment of the world’s collective progress on tackling climate change. The exercise is designed to guide future global climate action, including decisions on national emissions targets and climate finance.
The second global stocktake is due to culminate in late 2028 at the COP33 climate summit.
The Addis Ababa meeting was the final IPCC plenary where countries would be able to agree on a stockta


