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Fungi are learning to adapt to climate change, posing a major threat to human health.

Fungal infections range from minor conditions, such as athlete’s foot, to life-threatening respiratory diseases and bloodstream infections.

Fungi are known for their ability to adjust to – and thrive in – new and changing environments.

Now, they are learning to adapt to the rising temperatures, changing rainfall patterns and extreme weather events that characterise a warming planet.

This is increasing their ability to colonise and cause disease in the human body.

However, there is a severe lack of diagnostics, treatments and vaccines available for fungal infections – and fungal resistance to existing drugs is on the rise.

An increase in fungal infections driven by climate change could also have devastating consequences for agriculture, damaging crops and threatening food security.

New fungal pathogens

Fungi are one of five “kingdoms” of life on Earth – putting them in a distinct category separate from animals or plants.

There are millions of fungal species – from saccharomyces cerevisiae, or baker’s yeast, to penicillium chrysogenum, which is the source of the antibiotic penicillin.   

Fungal infections can be transmitted to humans through direct contact in the environment, with contaminated surfaces or via infected individuals.

Historically, most fungi do not cause disease in humans, meaning they are not “pathogenic”.

This is because – unlike viruses and bacteria – most fungi cannot survive or spread in body temperatures of 37C.

But, as global temperatures rise, some fungi are adapting to survive in hotter environments, including the human body.

(How fungi adapt to their environments is still not fully understood. However, their large genomes and diverse metabolic pathways – the chemical reactions which allow organisms to function – are thought to play a key role in their ability to survive and grow in a wide range of conditions.)

An example of this is candida auris, a fungal infection that emerged simultaneously on three continents in the late 2000s. The fungus mostly infects people with weakened immune systems and is a real concern as it can cause bloodstream infections. It is a serious problem in intensive care units, where the fungus sticks to medical equipment and grows rapidly. 

Many infection, prevention and control measures are unable to get rid of it. Candida auris is already resistant to several antifungal drugs, making it very challenging to treat. One study in Oman, for example, recorded a fatality rate over more than 50%.

Due to lack of surveillance and routine monitoring, we do not know exactly how many people are impacted by candida auris infections.

To address this, the World Health Organization Global Antimicrobial Resistance and Use Surveillance System (WHO-GLASS) – a programme that provides a standardised approach to collect and analyse data for antimicrobial resistance surveillance – has included a protocol for candida auris. 

Candida auris is one of four fungal species identified by the World Health Organization (WHO) as a “critical” threat to public health, alongside aspergillus fumigatus, candida albicans and cryptococcus neoformans. 

Scientists have pointed to the likelihood that the emergence of candida auris is being driven by rising temperatures caused by climate change. 

A 2022 study noted that higher temperatures driven by human-caused climate change may have added “selective pressure” on candida auris – leading to the spread of strains “adapted to salinity and higher temperatures – similar to the conditions found in the human body”.

The emergence of candida auris is just one example of how climate change is exacerbating fungal infection.

A study currently undergoing peer review suggests that – without effective strategies to tackle climate change – the aspergillus family could expand its reach to more northerly swathes of Europe, Asia and the Americas, exposing more people to life-threatening respiratory infections as temperatures rise.  

Aspergillus infections can cause permanent damage to lungs and lead to serious illness in individuals with existing respiratory conditions or weakened immune systems.

Extreme weather

Rising temperatures are not the only cause of rising fungal infections linked to climate change.

Changing rainfall patterns, increasing humidity and worsening extreme weather events are also driving fungal pathogens to new areas. 

Heavy rainfall, flooding and humidity leads to increased moisture in homes, increasing the growth of indoor mould. Mould – which encompasses a diverse group of fungal species – can cause substantial health impacts when inhaled for those with underlying health conditions, such as asthma. 

Meanwhile, extreme weather events, such as wildfires and floods, transport fungal pathogens to new regions by spreading spores far beyond where they would typically be found. This increases the threat fungi pose to both human health and agriculture.

For instance, the fungus coccidioides, which is found in soils in the south-western US and parts of central and South America, causes valley fever – a lung infection which can be fatal to humans and animals. 

Outbreaks occur when extreme events, such as wildfires, disturb large amounts of soil and spread fungal spores into the air. These enter the human body when inhaled. Cases are often unreported, but it is estimated that the fungi causes around 206,000-360,000 cases per year in the US. 

The fungus thrives in a hot and dry climate. Coccidioides is now being seen in regions that would not normally support its growth, as the climate heats up.  

A 2019 study used climate models to project that the range of valley fever could expand into more northerly US states such as Idaho, Wyoming and Nebraska. It also estimates that, by 2100, cases across the US could rise by approximately 50% as more regions develop climates suitable for transmission.

Threatening food security

Fungal pathogens also threaten human health indirectly by damaging harvests and causing a range of plant diseases, including blights, root rot and mildew.

Blight tomato disease.
Blight tomato disease. Credit: Botany vision / Alamy Stock Photo

Fungi are a key part of soil ecosystems, but plant pathogenic fungi can cause growers to lose between 10-23% of their crops every year – and a further 10-20% after they are harvested, as food that is incorrectly stored goes mouldy at different points of the supply chain.

Rising temperatures can spread and introduce more pathogens to an area, which can reduce harvests and, in some cases, wipe out entire crop families. This could result in food insecurity globally and economic instability in regions that rely on agricultural exports. 

Modern agriculture’s reliance on growing genetically uniform crops, known as monocultures, puts the global food system at increased risk of fungal disease, as pathogens learn how to colonise crops.

Developments in the global banana market are a prominent example of the threat posed by fungus to crops. In the 1950s, the Gros Michel banana – once the main export variety of banana – was wiped out by a disease caused by the fungus fusarium oxysporum.

Now, the banana variety that was grown and exported in its place – the Cavendish banana – is under threat by a new strain of fusarium. This poses a major threat to the global banana trade, given that the Cavendish banana accounts for 47% of banana production and virtually all bananas supplied to the US and Europe.

In another example, the fusarium graminearum fungus, which flourishes in wet conditions and warm temperatures, causes a disease that is thought to cause wheat and barley yield losses amounting to more than $1bn every year.

Rising antifungal resistance

The spread of fungal infections caused by climate change is particularly concerning given the lack of available treatment options, as well as limited awareness among the public and healthcare professionals.

Most healthcare professionals receive little training around how to identify fungal infections, leading to delayed diagnosis and treatment. In the developing world, fungal infections can be deadly because both awareness and access to diagnostic tests are lacking.

There are just four types of antifungal drugs and no approved fungal vaccines.

Antifungal treatments are harder to develop than antibiotics because fungi are more biologically similar to humans than plants – making them difficult to kill without harming human cells.

Meanwhile, resistance to the antifungal drugs that are available is growing.                                                                                           

The fungicides used to kill fungi in agriculture often share “modes of action” with medical antifungals. The overuse of these fungicides has led to fungi in the environment building up their resistance – creating hardier fungi that are more difficult to treat in clinical settings. 

As climate change puts additional stress on the food system, the risks and benefits of using fungicides to ensure food security need to be balanced with safeguarding the effectiveness of antifungal drugs.

However, there is limited communication between agricultural and medical sectors around how to juggle these priorities.  

And yet – despite all these challenges – fungal infections receive a fraction of the funding and attention that bacterial or viral diseases do. 

Fungi that tackle climate change

Fungi have historically been an asset in medical research – most notably the discovery of the drug penicillin. They could also prove valuable in the fight against climate change.

Some fungi are used to suppress populations of pests or pathogens in agriculture. This method – known as natural biocontrol – uses fungi, or other forms of naturally occurring organisms – such as bacteria, insects or viruses – as a replacement for chemical pesticides.

Natural biocontrol is seen as a more environmentally friendly method for treating crops than manmade chemicals because the organisms break down naturally in the environment and do not leave toxic residues in the soil. 

Meanwhile, researchers have also found that mycorrhizal fungi – which grow in association with plant roots – store roughly 13bn tonnes of carbon (GtC) – equivalent to 36% of annual  global fossil fuel emissions. The fungus does this by absorbing carbon from plants and locking it in their underground networks and soil, where it stays stable for long periods. 

There are groups looking at how the mycorrhizal fungi could be harnessed to help deliver decarbonisation – similar to tree planting. 

However, more research is needed to better understand the valuable properties of fungi, including how they could be part of “nature-based solutions” to help tackle climate change.

Discovering the unknown

There is still a lot that remains unknown about fungi. Scientists estimate that less than 10% of all species have been identified globally.

Fungi are essential to healthy ecosystems. They recycle nutrients by breaking down organic matter and play a critical role in the carbon cycle.

But climate change is disrupting this balance. Rising temperatures and environmental shifts threaten to wipe out some fungal species before they’re even discovered, while enabling others to thrive in new – and often harmful – ways. 

These changes signal deep trouble for the natural world.

It is, therefore, critical that more scientific attention is paid to the risks and opportunities of fungi as they learn to adapt to a warmer climate. 

The post Guest post: Fungal infections are adapting to climate change – and threatening public health appeared first on Carbon Brief.

Guest post: Fungal infections are adapting to climate change – and threatening public health

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‘Concerning’ low sea ice persists as Antarctic hits third-lowest winter peak

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Antarctic sea ice has recorded its third-smallest winter peak extent since satellite records began 48 years ago, new data reveals.

Provisional data from the US National Snow and Ice Data Center (NSIDC) shows that Antarctic sea ice hit its annual winter peak on 14 September, with an extent of 17.59m square kilometres (km2).

The organisation notes that the data is still preliminary, adding that “large fluctuations in extent are typical of Antarctic sea ice near the seasonal maximum”.

One expert tells Carbon Brief that it is “concerning to see these low values persisting”, but says that scientists need more time to determine whether this represents a “structural shift” in Antarctic sea ice extent.

Meanwhile, at the Earth’s other pole, Arctic sea ice reached its annual minimum on 12 September, ranking as the joint-10th lowest in the satellite record.

The NSIDC notes that the last 20 years have seen the lowest 20 Arctic sea ice extents in the satellite record.

Antarctic peak

Dr Lettie Roach, a polar climate scientist at the Alfred Wegener Institute in Germany, tells Carbon Brief that this year’s Antarctic sea ice maximum was “well below average for the season”. She warns that, “after several decades of stable or increasing winter Antarctic sea ice conditions, it is concerning to see these low values persisting”.

She adds:

“Compared with the Arctic, it’s less clear how recent changes in Antarctic sea ice are attributable to human-caused warming vs natural variability. We need more years of observations to better understand whether this is truly a structural shift.”

Dr Clare Eayrs, a postdoctoral researcher at the Korea Polar Research Institute (KOPRI), tells Carbon Brief that, since recording a “near-average February minimum” extent, Antarctic sea ice has “returned to unusually low winter coverage”.

She notes that Antarctic sea ice extent in July and August this year were the fifth and fourth lowest on record, respectively, adding that “all five of the lowest July extents have occurred since 2022 and all four of the lowest August extents since 2023”.

The chart below shows Antarctic sea ice extent in 2025 (dark blue) and 2026 (red) so far. For comparison, the chart shows decadal averages (dotted lines) as well as 2023 (mid blue), the year of the smallest winter sea-ice maximum on record.

Antarctic sea ice peak in 2026 is third smallest on record. Daily Antarctic sea ice extent for 2026, 2025, and 2023, as well as decadal averages, million km2. Source: NSIDC. Line chart showing 2026 peak in September remaining below 1980s-2010s averages but above Sep 2023's lowest record. - (alt text generated by Google Gemini)
Daily Arctic sea ice extent for 2026 and 2025, with decadal averages for comparison, based on data from the NSIDC. Chart by Carbon Brief.

Eayrs tells Carbon Brief that the regional pattern of Antarctic sea ice cover “changed substantially during the growth season”.

For example, she says that “in April, the Bellingshausen Sea remained almost entirely ice-free, while the neighbouring Amundsen Sea had more ice than usual”.

However, by late August, changes in atmospheric pressure and wind meant that “the Bellingshausen deficit had largely recovered, while ice was unusually scarce in the Amundsen Sea and across much of East Antarctica”.

Map showing the main regions of the Antarctic.
Map showing the main regions of the Antarctic. Credit: Carbon Brief

Arctic minimum

Meanwhile, the Arctic recorded its minimum summer sea ice extent on 12 September. At 4.60m km2, this year ties with 2025, 2010 and 2008 as the 10th-lowest sea ice extent on record.

The chart below shows Arctic sea ice extent in 2025 (dark blue) and 2026 (red) so far. For comparison, the chart shows decadal averages (dotted lines) as well as 2012 (mid blue), the year of the smallest summer sea-ice minimum on record.

Arctic sea ice minimum in 2026 is tied for 10th smallest on record. Daily Arctic sea ice extent for 2026, 2025 and 2012, as well as decadal averages, million km2. Source: NSIDC. The line graph shows annual ice extent reaching September lows, with 2026 far below 1980s-2000s averages. - (alt text generated by Google Gemini)
Daily Antarctic sea ice extent for 2026 and 2025, with decadal averages for comparison, based on data from the NSIDC. Chart by Carbon Brief.

Roach tells Carbon Brief that although this minimum is not “record setting”, it is still “lower than any sea ice minimum before 2007”. She adds:

“Human-caused climate change has reduced Arctic sea ice cover and thickness, so the region is fundamentally different compared to a few decades ago.”

Scientists have been tracking Arctic sea ice thickness using a reanalysis produced called the Pan-Arctic Ice Ocean Modeling and Assimilation System (PIOMAS) since 1979.

In March 2026, the National Oceanographic and Atmospheric Administration (NOAA) terminated a global dataset of air pressure that scientists relied upon to produce PIOMAS, forcing both datasets to stop publishing updates.

The PIOMAS website says it will take “considerable effort and time” to find alternative data to use in their reanalysis. It adds that “we don’t yet have a good sense if that’s possible with available funds and if so, when we will be able to resume production of a new PIOMAS timeseries”.

Roach also notes that August saw record-breaking heat sweep across much of the world, explaining that high temperatures “extended into Arctic coastal regions, close to regions with substantial sea ice loss – particularly the Barents-Kara and East Siberian seas”.

Dr Zack Labe, a scientist at Climate Central, tells Carbon Brief that the absence of a new record does not mean that ice cover is becoming more “resilient”. He says:

“Local weather patterns across the Arctic play a really important role in year-to-year sea-ice extent, even as the long-term trend is clearly downward.”

Labe tells Carbon Brief that weather in the Arctic this summer was “influenced mainly by lower pressure toward the central Arctic, which brought cloudier and cooler conditions that limited surface melt and delayed the start of the melt season”.

He explains that this “was most obvious across parts of the Beaufort and Chukchi seas, where the melt season didn’t really kick off until after early July, which was more than two weeks later than normal”.

In contrast, he says, the Atlantic side of the Arctic “had a much more extreme summer”, with sea ice in the Barents Sea recording its “earliest melt-out on record”.

This was partly due to “unusually warm air and ocean temperatures”, Labe says. He notes, for example, that parts of western Siberia saw unusually persistent temperatures more than 5C above the 1981-2010 average for much of the summer, which extended out over the Kara Sea and contributed to substantial ice melt in this area”.

Map showing main regions of the Arctic.
Map showing main regions of the Arctic. Credit: Carbon Brief

Labe tells Carbon Brief that, going forward, scientists need “more data and observations of other sea-ice metrics, like ice thickness, which may give us better insight into the overall condition of the ice pack, especially during years like 2026 when it is very fragmented”.

(In March 2026, Arctic sea ice reached its peak extent for this winter, clocking in as the joint-smallest in a satellite record going back almost half a century.)

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COP31 attendees told not to interfere in Türkiye’s “internal affairs”

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Participants at COP31 in Antalya will have a “duty” not to interfere in Türkiye’s internal affairs under the country’s hosting deal with the UN, reviving a clause dropped for last year’s climate summit in Brazil that human rights groups warn could put activists at risk.

Türkiye has faced growing criticism from human rights groups over the jailing of opposition figures, journalists and activists and imposed a blanket protest ban around July’s summit of the NATO military alliance in Ankara.

The contested provision is included in the binding agreement between the UN climate secretariat and the Turkish government that sets out responsibilities over logistical arrangements and details participants’ rights and obligations.

The document, signed in June but only made public on Wednesday, gives accredited COP31 attendees immunity from legal action over what they say, write or do in connection with the conference. Climate Home News understands that this safeguard can be applied to what takes place both inside and, in certain circumstances, outside of the UN-controlled COP “Blue Zone”. For the first time, this protection explicitly continues after the summit ends.

Turkish riot police arrested protesters during the anti NATO protest on July 7, 2026 in Ankara, Turkey. (Photo by Sedat Suna/Getty Images)

But participants enjoying these “privileges and immunities” also have a duty to respect Türkiye’s laws and regulations and not to interfere in its internal affairs, the agreement states. Rights groups fear its wide-ranging formulation could be used to discourage criticism of the host government.

Climate Home News understands that whether an action is covered by the immunity or infringes on the host’s internal affairs would be evaluated on a case-by-case basis, with close coordination between the country’s authorities and the UN climate change body.

A separate provision states that immunity shall be waived where the UN believes it would “impede the course of justice”.

‘Chilling effect’

Those same provisions featured in the host country agreements for COP28 in the United Arab Emirates and COP29 in Azerbaijan, both regarded as authoritarian regimes, before being dropped for COP30 in Brazil.

Ann Harrison, climate justice policy advisor at Amnesty International, said it is “extremely disappointing” that the COP31 agreement re-introduced clauses that could “hinder the ability of human rights defenders and civil society organisations to conduct their work safely”.

COP31 electrification pledge leaves out clean power commitment

She added the provisions could have a “wider chilling effect” on rights to freedom of expression and peaceful assembly, given concerns over the human rights situation in Türkiye, including laws that “have shrunk civic space” and their “abusive” implementation by authorities.

The UN climate change body declined to comment.

Rights groups have documented blanket protest bans, unlawful use of force by the police and prosecutions of journalists, human rights defenders and lawyers across Türkiye in the last year.

Arrests and protest bans

Last July, environmental activist Esra Işık was sentenced to more than two years for “resisting” a public official over what Amnesty International described as a peaceful protest against an urgent expropriation order linked to the expansion of coal mining in south-western Türkiye. She is appealing the conviction.

Ahead of a summit of the NATO alliance in the capital Ankara in July, authorities put in place a 13-day blanket ban on demonstrations, citing “national security”, and arrested over 200 people. Human Rights Watch said the crackdown showed Türkiye’s “ruthless intolerance of freedom of speech and assembly”.

Earlier this month, Turkish police detained dozens of people as part of what rights groups described as the government’s widening crackdown on LGBTQ+ activists and venues.

Questioned by media as to how he would guarantee the right to protest at COP31, Kurum said earlier in September that his team would “try to meet” any request they receive from civil society and give them “a free space to express themselves”.

“Don’t worry, thinking you will not be able to voice your opinions or really share your thoughts,” he said in an attempt to reassure campaigners, adding that he had put former deputy environment minister Mehmet Birpinar in charge of liaising with civil society.

Civic space needed

Camilla Pollera, human rights and climate change campaigner at the Center for International Environmental Law (CIEL), said meaningful participation at COP31 is fundamental to the legitimacy of climate action.

“At a climate summit, civil society participation necessarily includes being present, speaking out, scrutinising governments’ decisions and climate policies, and advocating for communities most vulnerable to climate change,” she added.

Thousands march in a COP30 protest calling for climate justice and protection of the Amazon among other things in Belem, Brazil on November 15, 2025.
Thousands march in a COP30 protest calling for climate justice and protection of the Amazon among other things in Belem, Brazil on November 15, 2025. (Photo: Mariel Lozada/Climate Home News)

At last year’s COP30 summit, thousands of Indigenous people and climate activists peacefully marched through the Amazonian city of Belém in the first major demonstration outside the UN venue in four years. Smaller-scale demonstrations were largely confined to the “Blue Zone” at COP27 in Egypt, COP28 in the UAE and COP29 in Azerbaijan.

In two other separate incidents in Belém, members of the Munduruku tribe blocked access to the conference centre for hours, demanding an end to development projects in their ancestral land, and protesters stormed through the venue clashing with UN security officials.

The COP31 hosting agreement keeps some of the safeguards previously hailed by civil society groups. The government and the UN secretariat commit to upholding “the fundamental human rights” of all participants in the agreement’s preamble.

Under the deal, Türkiye also needs to ensure that security personnel follow “the highest ethical and professional standards and are expected to behave with integrity and respect”.

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Threatened by rising seas, small islands secure right to keep their statehood

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As rising seas submerge growing swathes of land, countries that lose territory should still keep their national boundaries, sovereign rights and UN membership, according to a political declaration adopted at the UN General Assembly in New York on Thursday.

The declaration, which was championed by climate-vulnerable small island states, affirms “the presumption in favour of continued statehood” in the face of sea level rise fuelled by climate change, and urges countries to work together to assist communities affected by encroaching oceans.

Speaking at a high-level UN meeting to address the existential threats posed by sea level rise, Cabo Verde’s Prime Minister Francisco Carvalho, one of the initiative’s co-facilitators along with Australia, said the adoption of the text by consensus sends “a message of hope”.

“This declaration has a very special meaning. For us, sea level rise is neither a distant threat nor a theoretical concern,” he said, adding that rising seas put at risk key infrastructure, water resources and economic growth in small island states.

In the Pacific, sea levels have risen at twice the global rate, dramatically increasing coastal flooding events from two to 20 a year in the Republic of the Marshall Islands, and from zero to 102 events per year in American Samoa, according to the World Meteorological Organization (WMO).

Surangel Whipps Jr., president of the Pacific island of Palau, said the summit in New York represents a “moment of international solidarity”, and highlighted that small island states will remain permanent members of the UN.

    Declaration recognises statehood

    An advisory opinion by the world’s top maritime court, the International Tribunal on the Law of the Sea (ITLOS), first upheld in 2024 that countries do not have to shrink their maritime borders even if they lose land territory due to sea level rise. This was reiterated by the International Court of Justice in last year’s landmark ruling on the climate obligations of states.

    The new declaration endorsed by all governments at the UN General Assembly stresses that sea level rise “is not a distant scenario but a real and lived experience for many”, and notes that international law must be implemented in global responses to rising seas.

    UN Secretary-General António Guterres said the “milestone must now be translated into action”, adding that the declaration should encourage an “ongoing dialogue” at the “highest possible level” leading to practical outcomes. Pacific islands have proposed an international treaty on sea level rise that would provide more legal certainty.

    “Those on the frontlines must be front and centre on every decision. We cannot allow countries and cultures to vanish beneath the waves,” he said. “The SOS has gone out. The world must answer.”

    At regional summit, Pacific islands ask for COP31 support for clean energy and finance

    Goodwin Friday, prime minister of St. Vincent and the Grenadines, said measures to protect vulnerable states will require adequate finance. “Investing in resilience now is more cost-effective than paying the far greater price for loss and damage later,” he added.

    Championed by Australia’s COP31 co-presidency, Pacific islands have sought to put adaptation to sea level rise and ocean conservation at the top of the political agenda by inviting world leaders to attend the pre-COP31 summit co-hosted by Fiji and Tuvalu in October.

    Tuvalu will also host the second global fossil fuel phase-out summit in April 2027, after around 60 governments met this year in Santa Marta, Colombia, to discuss ending their dependence on coal, oil and gas.

    “Our coastlines, our reefs and our communities are living with the consequences of fossil fuel dependence every day, and our people have earned the right to help shape the way forward,” Lynda Tabuya, Fiji’s climate minister, said in a statement announcing details of the conference.

    Secretary-General António Guterres attending the meeting on addressing the existential threats posed by sea level rise at UN headquarters in New York.
    Secretary-General António Guterres attending the meeting on addressing the existential threats posed by sea level rise. (Photo: UN Photo/Manuel Elías)

    Ocean monitoring gets a boost in New York

    Amid record-breaking marine heat and seas rising at unprecedented speed, governments in New York announced new commitments to protect the world’s ocean, as efforts to bolster marine ecosystems and coastal communities rise up the political agenda.

    On Wednesday, the EU and Canada announced more funding for a new Europe-led ocean monitoring system called OceanEye, launched in the aftermath of a failed attempt by the Trump administration to dismantle the largest existing network of deep-sea observatories.

    During an event at UN headquarters in New York, EU President Ursula von der Leyen and Canadian Prime Minister Mark Carney announced around $163 million in new funding for the initiative, with the EU pledging €92 million ($105m) on top of existing seed funding and Canada pledging C$82 million (US$58m) over five years.

    According to an EU statement, while OceanEye will collaborate with the Global Ocean Observing System, that network “remains vulnerable to financial shortfalls and geopolitical disruptions”. A group of 30 countries from Europe, Africa and the Americas joined an international initiative in support of OceanEye, including large coastal nations like Brazil, Namibia and Mexico.

    Von der Leyen said OceanEye “can make us the leading ocean data provider in a matter of years”, including by launching new satellites and installing new observatories in the deep ocean. “From outer space to the deepest ocean, our funding helps us keep watch beneath the waves,” she added.

    Carney said the initiative would help protect Canada’s Arctic region with real-time monitoring operating year-round. “We can’t protect what we can’t see,” he said, also highlighting that Canada had expanded conservation of its ocean territory from 1% a decade ago to 15% now.

    In New York, a group of 19 countries said they are either developing or implementing plans to sustainably manage all of their ocean territory, with 12 new nations joining the initiative. In a joint communiqué, they called on more countries to sign up ahead of COP31.

    Warnings of El Niño-fuelled extreme heat

    Scientists and world leaders have raised the alarm over this year’s record-breaking marine temperatures, which have persisted above historical peaks for more than 100 days as the naturally occurring El Niño phenomenon intensifies in the Pacific.

    Extreme ocean heat could become a threat to coastal ecosystems and communities, experts fear. Water temperatures 1.5C above normal levels have also rapidly fuelled a strong hurricane in the Pacific in recent days.

    Despite scientific calls for additional ocean conservation efforts, a report launched this week in New York warned that efforts to protect ocean ecosystems are lagging behind, with only 10% of the global ocean covered by conservation areas and just 3.5% designated as “effectively protected”.

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