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This story was originally published by Yale Environment 360.

After a decade of declining to finance large hydroelectric dams, the World Bank is getting back into the business in a big way.

Throughout the last half of the 20th century, the bank was the world’s leading supporter of big hydro. But over the last two decades, it followed a zigzag pattern as dam supporters and critics inside the institution took turns determining hydro policy.

During the last 10 years, the critics — disturbed by big dams’ huge social and environmental costs and their long construction timelines — seemed to dominate, and the bank supported only one new big hydro project.

But earlier this week the bank’s board of directors approved a scheme to make the bank the lead financier in a $6.3 billion project to finish construction of the Rogun Dam in Tajikistan. The frequently stalled project, launched in 1976, is now about 30 percent complete⁠. If fully built, it would become both the world’s tallest dam, at 1,100 feet, and with its total price tag of $11 billion, one of the world’s most expensive.

The World Bank and Democratic Republic of Congo officials also have been negotiating the terms of a deal that would include financing Inga 3, the third of eight proposed dams in a megaproject known as Grand Inga.

Jaw-dropping in scale, Grand Inga is a $100-billion venture that would be the world’s largest dam scheme, nearly doubling the power output of China’s Three Gorges, currently the world’s largest hydroelectric dam, and potentially bringing electricity to a sizable chunk of the African continent. It would also reconfigure the hydrology of the world’s second-most-powerful river, the Congo, in what opponents consider environmentally harmful ways.

The Three Gorges dam on the Yangtze river in China (Photo: Pedro Vasquez/Flickr)

In addition, last April the bank “agreed in principle” to lead a consortium of international and regional banks financing a $1.1 billion dam⁠, one of Nepal’s biggest, on the Arun River. Called the Upper Arun, the dam is backed by Indian companies, and its electricity is intended for export to India.

But Nepal is already sated with hydroelectricity, and as My Republica, a Kathmandu newspaper, reported in October, it has for several years been wasting massive amounts of produced electricity because of the inadequacy of its transmission lines.

The Upper Arun dam is also being built in a region that’s highly vulnerable to earthquakes and to floods caused by the bursting of ice dams on glacial lakes.

The bank’s role in these projects marks a sharp shift in its approach towards hydroelectric dams. “Rogun and Inga are the biggest dams in the world, on a scale we haven’t seen in decades,” said Josh Klemm, co-executive director of International Rivers, an Oakland, California-based river protection NGO. From 2014 to this year, the bank supported only one new major hydropower project, Nachtigal in Cameroon.

Yet between this week and mid-2025, the bank’s board of directors is likely to approve financing for five major dams, including Rogun and Inga 3.

“We are witnessing a massive move [by the World Bank] to consider financing a range of large projects expected to have huge impacts on river basins, or that have already provoked huge, historic controversies,” said Eugene Simonov, coordinator of the Rivers Without Boundaries International Coalition and a researcher at the University of New South Wales, Canberra, in an interview. “The World Bank is revisiting projects it once dropped because of obvious challenges and risks, but those risks did not go away.”

In response to questions, World Bank officials said in a statement, “There has been no policy change on financing hydropower.” The statement continued, “Nevertheless, it has become increasingly clear that hydropower is an important component of promoting clean energy investments,” citing hydropower’s potential to supplement solar and wind energy.

The World Bank’s support for big hydro has been intermittent since the late 1990s, when social and environmental controversies sparked by its dam-building efforts spurred it to convene an investigative body — called the World Commission on Dams — of 12 independent experts to make recommendations for proper planning, design, and construction procedures for big dams. But the bank found the Commission’s recommendations, issued in 2000, so restrictive that it dismissed them.

Instead, it adopted a policy of “High Risk/High Reward” that wholeheartedly embraced big hydro. But the bank backed off when its dams once again triggered controversy. In 2013, the bank tried again to back big hydro, then backed off until 2018, when it softened its social and environmental standards for such projects.

“We believe the bank’s rediscovered fondness for big hydro reflects a desire by Ajay Banga, the bank’s president since June 2023, to kick off his tenure with a splash, even if that involves overlooking environmental and social issues that previously would have ruled the projects out,” said Klemm.

Ajay Banga speaks at the World Economic Forum (Photo credit: World Economic Forum)

Yet bank officials seem to be playing down hydropower’s renewed prominence in their plans, experts say, noting that they may not want to draw attention to the high costs of building dams at a time when President-elect Donald Trump may be considering⁠ ending U.S. support for the bank.

Project 2025, the compendium of controversial nationalist policies devised by advisors close to Trump, says the new administration “should withdraw from both the World Bank and the International Monetary Fund and terminate its financial contribution to both institutions.” The U.S. is the bank’s largest contributor.

No matter how many of these projects result in completed dams, experts believe the bank’s involvement will not alter the global dam-building industry’s current downward trajectory, for many increasingly obvious reasons. These include dams’ enormous upfront costs followed by waits of as long as a decade or more before electricity revenues begin flowing; their destruction of fisheries and riverine ecosystems; their displacement of a conservatively estimated 80 million⁠ people around the world and their damage to the livelihoods of a half-billion more; their substantial emissions of methane from some reservoirs; their steep reductions in energy production when drought — which is increasingly common due to climate change — empties reservoirs, as is currently happening in southern Africa and elsewhere; and the seeming coup de grace, their declining competitiveness with increasingly less costly wind and solar installations.

River protection NGOs such as International Rivers argue that the bank’s imprimatur lends an unjustified sheen to the industry, encouraging other regional and international banks to support still more dam projects. “We are writing to express our collective alarm at the notable surge in proposed and recent World Bank support for extensive hydropower development,” began a nine-page, October 23 letter to bank leaders signed by more than 100 environmental NGOs around the world. The letter called on the bank to stop investing in virtually all hydropower projects. The bank answered promptly but cursorily, reaffirming its “partnership” with the NGOs, but it did not address the letter’s points.

With drought-hardy cows, Botswana prioritises adaptation in new climate plan

Rogun and Grand Inga have been magnets for controversy for decades. Tajikistan is a locus of competition in Central Asia, with Western, Arab, Russian, and Chinese interests all competing for political and economic leverage⁠; one way for Europe and the U.S. to gain influence with Tajikistan’s leaders is to help them build the world’s tallest dam there. Supporting Rogun may be a particularly potent tactic as the project is highly popular in Tajikistan and, according to Simonov, the nation’s leaders are “obsessed” with the dam.

One of Rogun’s liabilities is that it will displace between 50,000 and 60,000 people, according to a World Bank document. Simonov said engineering firms proposed alternate plans to build a dam that would be at least 115 feet lower and displace up to 30,000 fewer people. Officials rejected those plans, according to Simonov, because their primary interest was in the prestige they believed would come with building the world’s tallest dam.

Between 2033, when Rogun is projected to be completed, and 2039, when its reservoir is slated to be full, the dam will begin generating electricity and, according to an appraisal prepared for the bank’s board of directors, “will bring significant domestic and regional welfare benefits, contribute to the decarbonization of regional power grids in Central Asia, and potentially transform the Tajik economy.”

Of more immediate interest to Tajiks, the dam’s output should eliminate the electricity blackouts that disrupt heating during the country’s cold winters. The catch is that the water that will turn the Rogun power plant’s turbines in the winter will be impounded from the Vakhsh River during the summer, which means it will no longer reach farmers and others who depend on it downstream in Afghanistan, Turkmenistan, and Uzbekistan, according to Simonov.

Rogun will also severely threaten Tajikistan’s Tigrovaya Balka Nature Reserve, a UNESCO World Heritage site, by permanently eliminating floods crucial for sustaining floodplain forests, environmentalists say. And by the time the dam is finished, according to the October 23 letter from NGOs to the World Bank, other renewable electricity options are projected⁠ to be far cheaper.

The World Bank appraisal of Rogun categorized the project’s overall risk as “high.” Among the risks it enumerated were the limited experience of Tajik officials⁠, which has resulted in both design and construction delays and “technical and dam safety issues”; the project’s impact on national debt; the poor performance of Tajikistan’s electricity sector, which could limit revenues from electricity sales; and the project’s location in an active seismic zone.

A study comparing greener energy alternatives to Inga 3, published in Environmental Research Letters in 2018, suggests that the dam is not financially prudent. It concludes that in most scenarios, “a mix of wind, solar photovoltaics, and some natural gas is more cost-effective than Inga 3.” Since the study appeared, the costs of solar and wind have only declined.

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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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