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Welcome to Cited, your essential guide to new climate research.

In the news

SPRING HEATWAVE: Temperature records for May fell across western Europe as the region baked in an “exceptionally early” heatwave, reported the Associated Press. The outlet noted that temperatures reached 35.1C in the UK and 36C in France at the end of last month, with the latter’s national weather service stating that a “heat dome” had produced temperatures more than 10C higher than “usual”. BBC News said temperatures reached 40.3C in Portugal. Carbon Brief explored how the media covered the extreme weather and the role of climate change.

CLIMATE RESEARCH ‘STYMIED’: The White House released draft regulations that would “give political appointees the final word” on federal research grants and other funding across government agencies, reported Scientific American. According to Bloomberg, climate experts said the “sweeping” changes would “stymie research in the field”. At the same time, the Guardian reported the National Science Federation – a US government agency – announced it would be dismantling a $368m deep-sea observation system that provides “crucial” data on ocean systems and climate change. [For more, see ‘Spotlight’ below].

WMO WARNING: A report from the World Meteorological Organization (WMO) and UK Met Office, covered by Reuters, found that average global temperatures are forecast to reach “near-record levels” in the next five years. The newswire said the report projected that average temperatures each year over 2026-30 will range between 1.3-1.9C above pre-industrial levels, with one year where temperatures will top the warmest year on record, set in 2024.

Research picks

Impacts

  • Climate change and population growth have led to a 51% increase in global exposure to extreme daytime heat in cities over the past two decades | Communications Earth & Environment
  • Global warming interacts with poverty to “magnify educational disruption” and “deepen existing inequities” among children and young people | The Lancet
  • Human-caused greenhouse gas emissions has increased the likelihood of “landfalling” oceanic heatwaves by a factor of nine | One Earth

Nature

  • Wildfire “disturbances” have been shifting Canada’s forests from a carbon sink to a carbon source since the 2000s | Global Change Biology 
  • Following decades of rapid decline, mangrove forests around the world have been recovering since 2010, with both forest loss and degradation rates slowing | Science 
  • Large-scale cultivation of macroalgae has “low potential” for carbon dioxide removal and unintended consequences that “can be substantial” | Biogeosciences 

Projections

  • Global hailstorm-induced damage potential could increase by 37-42% by the late 21st century, depending on the emission scenario | Nature 
  • Even under a low-emissions scenario, 45% and 35% of mountain bird and mammal species, respectively, are at risk of seeing losses in habitat range by 2050 that outweigh any gains by at least 20% | Conservation Biology
  • Future warming will likely boost natural methane emissions from freshwater, as methane-oxidising bacteria fail to keep pace | Nature Climate Change

Captured

China accounts for more “conventional” carbon dioxide removal (CDR), such as afforestation and reforestation, than any other country in the world. That is according to the third edition of the annual state of carbon dioxide removal report, published last week and covered in detail by Carbon Brief. China’s average conventional CDR of 539m tonnes of CO2 over 2014-23 is more than double that of the US, the next-highest country.   


625

How many times greater cities in the global south experienced “compound” exposure to extreme heat and air pollution than global-north cities over 2003-20, according to an npj urban sustainability study.


Spotlight

AMOC observations at risk

Ocean Station Papa instrumentation buoy, among those slated for removal.
Ocean Station Papa instrumentation buoy, among those slated for removal. Credit: PMEL

The Irminger Sea, a patch of frigid ocean east of Greenland, plays an outsized role in the Earth’s climate.

Here, surface water that has travelled thousands of kilometres from the tropics grows cold and dense enough to sink to the ocean’s depths – a transformation that must occur for the water to begin a long journey back to the southern hemisphere.

This makes the Irminger Sea an “action centre” for the mighty Atlantic Meridional Overturning Circulation (AMOC), the vast system of ocean currents that keeps temperatures in Europe mild.

Last week, the US government announced plans to dismantle ocean moorings installed in the Irminger Sea which, among other things, collect data on the health of the AMOC.

This came as part of a programme to “descope” the Ocean Observatories Initiative, a $368m network of ocean sensors installed in the Pacific and Atlantic oceans.

Two of the moorings earmarked for removal in the Irminger Sea form part of an internationally funded, trans-Atlantic AMOC monitoring array, known as OSNAP, that stretches from Canada to Scotland.

Experts told Carbon Brief the move by the Trump administration highlights the vulnerability of AMOC observation systems around the world. These deep-sea moorings – scattered across the Atlantic – collect real-time data on, among other things, ocean current, temperature, pressure and biochemistry.

Prof Penny Holliday, chief scientific officer of the UK National Oceanography Centre, told Carbon Brief that the OSNAP array, as well as the RAPID array at 26N, are “entirely dependent” on research grants that have to be “continually reapplied for”.

“Funding is perilous all the time,” she said.

A report prepared last month by scientists for Nordic ministers exploring the security of funding for AMOC observing systems warned that RAPID and OSNAP were in “critical condition” and faced “material exposure over an 18-month horizon”. Meanwhile, other key basin-wide and global components of the global AMOC observing system were rated as “at risk”.

It is not just US funding that is uncertain. The report notes, for example, that the five-yearly funding the UK provides to RAPID and OSNAP is “at risk from 2027 due to year-on-year budget reductions” at the Natural Environmental Research Council.

(RAPID is funded by the US and UK, whereas OSNAP is backed by five different countries, with the US contributing half of the total financial support.)

Report co-author Dr Femke de Jong from the Royal Netherlands Institute for Sea Research told Carbon Brief that “continued AMOC observations” are under pressure in “multiple countries”. She said:

“While the risk of a declining AMOC to society is starting to be recognised, there is not yet a system or institution in place to guarantee a way to monitor it.”

AMOC monitoring arrays are still in their infancy – RAPID, the oldest, was launched in 2004. Two decades of data captured so far shows that the AMOC is slowing down. However, scientists will need many more years of data to be able to confidently link the decline to climate change, rather than natural variability in the ocean.

NOC’s Holliday points to the disconnect between scientific and funder timelines:

“The timescale of observations needed in order to be able to detect a climate change signal from the very naturally variable ocean is around 40-60 years…. [And yet], in the Netherlands, they have to apply for a new grant for their ocean moorings every two years. They are going to have to do that for 40 years.

“This is a very inefficient way of getting funding for what should be critical infrastructure.”

Preprints to watch

Carbon Brief’s pick of new papers still going through peer review

  • Urban areas were responsible for two-thirds of CO2 emissions from burning fossil fuels in 2022 | Nature portfolio
  • Climate adaptation measures are responsible for one-quarter of greenhouse gas emissions and three-quarters of human freshwater withdrawals | Earth System Dynamics
  • Global food miles – the emissions generated from transporting food – could be “lower than previously estimated”, at around 0.82bn tonnes per year | Nature portfolio

Noticeboard

  • 10 June: AMS Washington Forum early registration deadline 
  • 10-12 June: Fourth international conference on carbon dioxide removal, Milan
  • 11 June: Application deadline for postdoctoral research position in the political economy of net-zero at the University of Oxford; Salary: £39,424-47,779
  • Mid-June: AGU annual meeting abstract submissions open
  • 17 June: World Weaving climate research programme funding application deadline
  • 17 June: CCMC lecture (online): “Temperature, health and adaptation: What actually protects people?”
  • 21 June: Application deadline for postdoctoral research position in extreme event health impacts at Vrije Universiteit Amsterdam; Salary: £42,552-66,456

Cited is researched and written by Cecilia Keating, Robert McSweeney, Ayesha Tandon, Daisy Dunne and Dr Giuliana Viglione.

Please send tips, feedback and upcoming climate research to cited@carbonbrief.org

This is an online version of Carbon Brief’s fortnightly Cited email newsletter. Subscribe for free here.

The post Cited 9 June 2026: Europe’s ‘exceptional’ heatwave | Warming forecast | AMOC observations ‘at risk’ appeared first on Carbon Brief.

Cited 9 June 2026: Europe’s ‘exceptional’ heatwave | Warming forecast | AMOC observations ‘at risk’

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Climate Change

UN chief urges countries to adopt fossil fuel transition plans with timelines

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The head of the United Nations has called on all countries to deliver plans for phasing out their production and consumption of fossil fuels, as rising oil prices and climate shocks threaten energy and human security.

In his farewell speech to the UN General Assembly (UNGA) in New York on Tuesday, outgoing UN Secretary-General António Guterres for the first time urged “every government to adopt a national plan to transition away from fossil fuels” aligned with limiting warming to 1.5C. The plans, he said, should include “clear timelines and protection for affected workers and communities”.

“We know fossil fuel interests won’t step aside on their own. For decades, Big Oil has treated the atmosphere as an open sewer – and cashed in on the consequences,” Guterres told diplomats in his speech opening the leaders’ segment of the assembly, also calling out the industry’s windfall profits after Russia’s invasion of Ukraine.

    At last year’s COP30 climate summit in Belém, a group of about 80 governments led a failed push to develop a global roadmap to transition away from fossil fuels. Brazil instead proposed to draft a voluntary report that will be presented this year ahead of COP31 after countries and organisations submitted their views to the process.

    Governments first agreed to transition away from fossil fuels in energy systems at COP28 in Dubai in 2023, but have since failed to agree at UN climate talks on how to move forward with that commitment, as efforts to do so have been effectively blocked by large fossil fuel-producing countries.

    France, Netherlands issue plans

    A few countries have moved forward with their own transition plans. France launched the first one at an international conference on the issue in April and the Netherlands followed suit this month. Not being major fossil fuel producers, both European nations aim to end their coal, oil and gas consumption by 2050, although the Dutch plan was criticised for not setting specific phase-out dates for the dirty fuels.

    Adão Soares Barbosa, climate ambassador from Timor-Leste and chair of the Least Developed Countries (LDC) group in the UN climate negotiations, told a press briefing on Tuesday that last year’s discussions on shifting away from fossil fuels need to continue at COP31, adding that developed countries should lead the way with transition plans and curb their use of fossil fuels.

    “We are expecting that we can make a request to major-emitting countries to limit emissions from this sector,” he said. “For LDCs, we’ll also try to reduce fossil fuel use, but it will depend on national circumstances.”

    Samoa’s lead negotiator Anna Rasmussen said small island states have outlined their energy transition plans in their nationally determined contributions (NDCs) – countries’ plans for meeting the Paris Agreement goals – but added “we’re still waiting” for climate finance to help implement those plans.

    Despite the global push to clean up the energy mix, countries leading climate talks are themselves also expanding fossil fuel production. COP31 co-presidents Australia and Türkiye have both recently given the green light to mine and drill more coal, oil and gas, and still depend on fossil fuels for 60% and 56% of their electricity production respectively.

    Fossil fuel expansion threatens COP31 hosts’ credibility, experts warn

    COP30 host nation Brazil has also persisted with its plans to explore potential new oil reserves near the mouth of the Amazon River – a region known as the Equatorial Margin.

    These are moving ahead despite President Luiz Inácio Lula da Silva announcing last year at the Belém climate summit that the country would develop its own fossil fuel phase-out plan. This is still under development with little information about its progress and may be hampered by elections next month.

    “We have achieved our self sufficiency in oil and will continue to explore the potential of new reserves, such as those in the Equatorial Margin,” Lula said in his speech to the UNGA on Tuesday. “But we will not abandon the environmental agenda,” he insisted. “We will move forward with the roadmap for the decarbonisation of the Brazilian economy.”

    Transition far cheaper than status quo

    Speaking at the main Climate Week NYC venue, Mads Christensen, executive director of Greenpeace International, said given the fast-shifting cost dynamics for both fossil fuels and renewables, countries should revise their existing energy plans because they are now out of date.

    Gas power generation now costs around 150 euros per megawatt compared with around 50 euros for solar with battery storage – making the latter two-thirds cheaper.

    “If these plans were updated, I think we would have a much faster transition because it simply makes good financial sense,” he said.

    A technician walks next to solar panels that partially provide electrical power to the Grand Mosque of Istiqlal in Jakarta, Indonesia (Photo: REUTERS/Willy Kurniawan)

    A technician walks next to solar panels that partially provide electrical power to the Grand Mosque of Istiqlal in Jakarta, Indonesia (Photo: REUTERS/Willy Kurniawan)

    Tzeporah Berman, founder and chair of the Fossil Fuel Treaty Initiative, told Climate Home News that the Santa Marta process for transitioning away from fossil fuels (TAFF), launched at April’s conference, could help countries discuss, design and develop their national roadmaps, as well as mobilise the international cooperation required to actually deliver them.

    “Many countries want not only national roadmaps but a global roadmap off the highway to hell,” she added. “A global plan is necessary to ensure the rules aren’t rigged against those who want to do the right thing and so all countries can make credible commitments.”

    The second TAFF conference will be held in the Pacific island nation of Tuvalu next spring, co-chaired by Ireland. In New York, Tuvalu’s climate minister Maina Vakafua Talia called for stepped-up efforts to tackle the fossil fuel use that is threatening his country’s “demise” by driving global warming.

    “The world is running out of time, and so I ask every government to come to… Tuvalu with solutions – real solutions, not false solutions – for us to ensure that we have a pathway and a way forward,” he urged.

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    Climate Change

    COP31 electrification pledge leaves out clean power commitment

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    COP31’s flagship initiative to accelerate the electrification of the world’s economy has been criticised for failing to include a commitment to produce the power from clean energy.

    Governments that sign the voluntary pledge at this year’s UN climate summit will commit to increasing electricity’s share of total energy consumption to 35% globally by 2035 in line “with pathways consistent with keeping 1.5C alive”, the text unveiled by the Turkish presidency on Tuesday says.

    While the document says that the electrification goal is “complementary to efforts to expand renewable energy and improve energy efficiency”, governments are not explicitly asked to commit to producing the extra power with clean sources and driving down greenhouse gas emissions.

    The text instead says the “use of clean electricity” will vary according to national circumstances. Fossil fuels are not mentioned by name, although the pledge cites the COP28 Global Stocktake decision, which called for “transitioning away from fossil fuels” in energy systems.

      COP31 president Murat Kurum said earlier this month that the push to make electrification more “widespread” – through measures like the rollout of electric vehicles and heat pumps – will “automatically” lead to a reduction in the use of fossil fuels.

      But many campaigners disagree, criticising the proposed pledge for failing to give an explicit signal on the fossil fuel transition.

      Lack of clarity on energy sources

      “Let’s not let electrification become the Trojan horse of our times, used to hide new fossil fuel consumption rather than promote renewable energy,” Claire Smith from civil society umbrella group Beyond Fossil Fuels said in reaction to the pledge’s publication.

      She added that the commitment will only help address the climate crisis if electrification is powered by a flexible energy system where solar and wind are complemented by enhanced grids and storage.

      The pledge’s text says that the electricity goal should be supported by “diverse and sustainable energy sources”, but it stops short of explaining what these sources are.

      Alden Meyer, an international climate policy expert and senior associate at think-tank E3G, said the details of the pledge matter to how effective it will be in helping bring planet-heating emissions down.

      “It has to be clean, and we haven’t got enough clarity on a guarantee that it will be a decarbonisation move,” he told Climate Home News.

      China’s industrial engine starts to break its fossil fuel habit

      According to an annual electricity review from energy think-tank Ember, in 2025 renewables edged ahead of coal power for the first time in 100 years. Continued growth in solar and wind pushed the share of renewables above a third of global electricity generation to just under 34%, compared with coal at 33%, it said.

      Janet Milongo, energy Transition lead at CAN International, said success cannot be measured simply by how much of the world’s final energy consumption becomes electric.

      “We must ask what generates that electricity, who has access to it, who owns the infrastructure, and whether it is helping communities transition away from fossil fuels,” she added.

      Electrification alone can’t meet climate goals

      Analysis published by the IEA on Tuesday, alongside the pledge, found that it would already be cost-effective to raise electricity’s share of global energy use from 23% today to around 33% with existing technologies, putting the COP31 goal “within striking distance”. Based on current policies, however, the share reaches only about 30% by 2035.

      Hitting the 35% target would cut fossil fuel importers’ import bills by around $400 billion a year by 2035, the IEA said. At the higher prices caused by the conflict in the Middle East, that saving rises to more than $500 billion.

      Speaking at New York Climate Week on Tuesday, IEA executive director Fatih Birol said the agency’s figures show that in 2026, about 80% of all new power plants built will run on renewables, with a few percentage points coming from nuclear power and the rest from fossils fuels. “So therefore, electrification itself will lead reduction of the [greenhouse gas] emissions,” he added.

      IEA Executive Director Fatih Birol speaks at Climate Week NYC on September 22, 2026 (Photo: Megan Rowling / Climate Home News)

      IEA Executive Director Fatih Birol speaks at Climate Week NYC on September 22, 2026 (Photo: Megan Rowling / Climate Home News)

      However, the IEA warned in its new report that electrification “by itself is not enough” to meet the world’s climate targets. It noted that, if “low-emission” sources of power continue to simply grow in line with current policy scenarios, that would be only just enough to cover the extra demand from electrification, driving a modest decline in emissions.

      Matt Webb, associate director of global clean power diplomacy at E3G, said the pledge is a “welcome signal of leadership” and can help COP31 be a “critical moment” for countries to double down on the energy commitments made at COP28.

      But to secure the full benefits of electrification, he added, it is essential that we “urgently clean up” by speeding up the rollout of renewables and developing credible national plans to transition away from fossil fuels.

      The post COP31 electrification pledge leaves out clean power commitment appeared first on Climate Home News.

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      Climate Change

      As loss and damage fund stalls, Nepal crowdfunds flood relief

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      People around the world have donated almost $90 million to a government-led campaign to help Nepal recover from its recent devastating Himalayan flood, according to a Nepali climate negotiator, even as the UN chief slammed the tiny amount of money in a new fund to deal with such disasters.

      Individuals and companies from Nepal and abroad have chipped in from $5 to “many millions” of dollars to the Prime Minister’s Disaster Relief Fund, Manjeet Dhakal, an advisor to the poorest countries at UN climate talks, told an event on Monday focused on early warning systems.

      The prompt and substantial response from the public contrasts with the slower, more limited support that is potentially on offer from the UN’s new Fund for Responding to Loss and Damage (FRLD), set up by governments to compensate developing countries for climate disasters.

      Comment: Human security relies on adapting to the world’s new climate reality

      Over three weeks have passed since Nepal’s finance and environment ministers asked the FRLD board to take an urgent decision to allocate funding to help Nepal protect people and restore essential services in the wake of the disaster, which caused around 1,450 deaths and left more than 5,000 people missing.

      “Time is of the essence,” the ministers wrote in an appeal to the FRLD on August 31, which was swiftly followed by a letter from a group of developing-country board members urging the FRLD board’s co-chairs to organise an extraordinary meeting to come up with a response.

      Loss and damage fund hesitates

      Yet, despite informal online meetings, the co-chairs have yet to convene a meeting with the power to allocate funds. The board’s next scheduled meeting begins on December 15.

      Dhakal said on Monday that the request has “received some positive response, but still there is some discussion ongoing about how to respond to that”.

      “If they can’t respond in a timely manner, then is [the fund] fit for purpose in terms of disasters that the world would be facing in the coming years? The scale and intensity of these disasters is increasing,” he said.

      With just $820 million pledged to it by rich countries and not all of that yet delivered, the FRLD has earmarked just $350 million to spend in its initial phase and without further contributions could run out of money next year.

      Because of these limited funds, and a huge number of requests for funding totalling nearly $3 billion, the FRLD has said it will only give out a maximum of $20 million to each project for now. It has yet to approve funding for any projects.

      Dhakal recently told The Nation magazine that this amount was just a “symbolic gesture”. Nepal’s government has estimated the costs of recovery and reconstruction at $4.8 billion, with homes, roads, bridges, hospitals and hydropower stations in the affected area needing to be repaired and rebuilt.

      “Ridiculously small” funding

      In a speech to the UN General Assembly on Tuesday, the body’s outgoing Secretary-General António Guterres criticised the “ridiculously small” level of funds made available by wealthy governments to the FRLD. Developed countries should “make the loss and damage fund work at scale”, he said.

      Secretary-General António Guterres speaks at UNGA (Photo: UN Photo/ Loey Felipe)

      The Portuguese diplomat told world leaders that when he travelled to Nepal three years ago, he had “sounded the alarm on accelerating glacier melt, warning that the rooftops of the world are caving in”.

      “Some dismissed it all as overstating dangers, but as tragic events have shown, impacts are arriving sooner, hitting harder, and spreading further than many anticipated,” he said.

      A recent study by scientists with the World Weather Attribution group found that climate change contributed to the rock-ice avalanche which sparked a huge flash flood along a river valley on the Nepal-Tibet border.

      Speaking at a separate event in New York on Monday, leading climate scientist Johan Rockström highlighted those findings on the role of global warming in the Himalayan disaster.

      “This will be potentially the first poster-child case of a loss and damage invoice, because here we have a proven case of a catastrophe which would not have occurred if it hadn’t been for human-caused climate change,” he said.

      The post As loss and damage fund stalls, Nepal crowdfunds flood relief appeared first on Climate Home News.

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