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Professor Martin Siegert is Deputy Vice-Chancellor (Cornwall) at the University of Exeter and Chair of The UK Arctic and Antarctic Partnerships committee.

A 30-minute stroll across New York’s Central Park separates Trump Tower from the American Museum of Natural History. If the US president ever found himself inside the museum he could see the Cape York meteorite: a 58-tonne mass of iron taken from northwest Greenland and sold in 1897 by the explorer Robert Peary, with the help of local Inuit guides.

For centuries before Danish colonisation, the people of Greenland had used fragments of the meteorite to make tools and hunting equipment. Peary removed that resource from local control, ultimately selling the meteorite for an amount equivalent to just US$1.5 million today. It was a transaction as one-sided as anything the president may now be contemplating.

But Donald Trump is now eyeing a prize much larger than a meteorite. His advocacy of the US taking control of Greenland, possibly by force, signals a shift from deal-making to dominance. The scientific cost would be severe. A unilateral US takeover threatens to disrupt the open scientific collaboration that is helping us understand the threat of global sea-level rise.

    Greenland is sovereign in everything other than defence and foreign policy, but by being part of the Kingdom of Denmark, it is included within NATO. As with any nation, access to its land and coastal waters is tightly controlled through permits that specify where work may take place and what activities are allowed.

    Over many decades, Greenland has granted international scientists access to help unlock the environmental secrets preserved within its ice, rocks and seabed. US researchers have been among the main beneficiaries, drilling deep into the ice to explain the historic link between carbon dioxide and temperatures, or flying repeated NASA missions to map the land beneath the ice sheet.

    The whole world owes a huge debt of thanks to both Greenland and the US, very often in collaboration with other nations, for this scientific progress conducted openly and fairly. It is essential that such work continues.

    The climate science at stake

    Research shows that around 80% of Greenland is covered by a colossal ice sheet which, if fully melted, would raise sea level globally by about 7 metres (the height of a two storey house). That ice is melting at an accelerating rate as the world warms, releasing vast amounts of freshwater into the North Atlantic, potentially disrupting the ocean circulation that moderates the climate across the northern hemisphere.

    The remaining 20% of Greenland is still roughly the size of Germany. Geological surveys have revealed a wealth of minerals, but economics dictates that these will most likely be used to power the green transition rather than prolong the fossil fuel era.

    While coal deposits exist, they are currently too expensive to extract and sell, and no major oil fields have been discovered. Instead, the commercial focus is on “critical minerals”: high-value materials used in renewable technologies from wind turbines to electric car batteries. Greenland therefore holds both scientific knowledge and materials that can help guide us away from climate disaster.

    At ‘Davos of mining’, Saudi Arabia shapes new narrative on minerals

    Unilateral control could threaten climate science

    Trump has shown little interest in climate action, however. Having already started to withdraw the US from the Paris climate agreement for a second time, he announced in January 2026 the country would also leave the Intergovernmental Panel on Climate Change, or IPCC, the global scientific body that assesses the impacts of continued fossil-fuel burning. His rhetoric to date has been about acquiring Greenland for “security” purposes, with some indications of accessing its mineral wealth, but without mention of vital climate research.

    Under the 1951 Greenland defence agreement with Denmark, the US already has a remote military base at Pituffik in northern Greenland, now focused on space activities. While both countries remain in Nato, the agreement already allows the US to expand its military presence if required. Seeking to guarantee US security in Greenland outside Nato would undermine the existing pact, while a unilateral takeover would risk scientists in the rest of the world losing access to one of the most important climate research sites.

    Lessons from Antarctica and Svalbard

    Greenland’s sovereign status and its governance is different to some other notable polar research locations. For example, Antarctica has, for more than 60 years, been governed through an international treaty ensuring the continent remains a place of peace and science, and protecting it from mining and other environmental damage.

    Svalbard, on the other hand, has Norwegian sovereignty courtesy of the 1920 Svalbard treaty but operates a largely visa-free system that allows citizens of nearly 50 countries to live and work on the archipelago, as long as they abide by Norwegian law. Interestingly, Norway claims that scientific activities are not covered by the treaty, to almost universal disagreement among other parties. Russia has a permanent station at Barentsburg, Svalbard’s second-largest settlement, from which small levels of coal are mined.

    Unlike Antarctica or Svalbard, Greenland has no treaty that explicitly protects access for international scientists. Its openness to research therefore depends not on international law, but on Greenland’s continued political stability and openness – all of which may be threatened by US control.

    If it is minded to take a radical approach, Greenland could develop its own treaty-style approach with selected partner states through NATO, enabling security cooperation, mineral assessment and scientific research to be carried out collaboratively under Greenlandic regulations.

    The future for Greenland should lie with Greenlanders and with Denmark. The future of climate science, and the transition to a safe prosperous future worldwide, relies on continued access to the island on terms set by the people that live there. The Cape York meteorite – taken from a site just 60 miles away from the US Pituffik Space Base – is a reminder of how easily that control can be lost.


    This article is republished from The Conversation under a Creative Commons license. Read the original article.

    The post Why Greenland is indispensable to global climate science appeared first on Climate Home News.

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    Türkiye sets COP31 dates and appoints Australian cattle farmer as youth champion

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    The Turkish government has announced the dates and venues for the COP31 leaders’ summit and pre-COP meetings, and appointed a Turkish waste campaigner and Australian cattle farmer as climate “champions”.

    In an open letter, published by the UN climate body on Tuesday, the Turkish environment minister and COP31 President-Designate Murat Kurum said the COP31 World Leaders’ Summit, at which dozens of heads of government are expected, will take place in Antalya, on Türkiye’s south coast, on November 11 and 12.

    Previous leaders’ summits have taken place on the first two days of the COP negotiations or, at last year’s conference in Belém, before the start. But this year’s gathering will take place on the third and fourth day (Wednesday and Thursday) of the November 9-20 talks. Kurum said the summit “will be a key moment in generating political momentum and visibility for COP31”.

    Last November, when Türkiye was chosen as host of the annual UN climate summit, Kurum said that, while the negotiations would be in the resort city of Antalya, the leaders’ summit would take place in the country’s largest city Istanbul. No explanation for the change of decision was given in Kurum’s letter.

    Pacific pre-COP

    Every COP conference is preceded by a smaller pre-COP gathering, attended by government climate negotiators. Because of a deal struck with Australia, which gave up its bid to physically host the summit in exchange for leading the COP31 discussions, this year’s pre-COP will take place on the Pacific island of Fiji, with a “leaders’ event” a 2.5-hour flight north in Tuvalu.

    Kurum’s letter said both events would take place between October 5-8 and “will contribute to reflecting diverse perspectives in an inclusive manner”.

      The letter confirms that Australia’s climate and energy minister, Chris Bowen, will be given the title of “President of Negotiations” and “will have exclusive authority in leading the COP31 Negotiations, in consultation with Türkiye”.

      “I have complete faith in his work,” said Kurum, adding that the two will send out a joint letter “in the coming weeks” which outlines their priorities regarding the negotiations.

      The COP negotiations will be discussed at the annual Petersberg Climate Dialogue in Berlin on April 21 and 22. German State Secretary Jochen Flasbarth recently announced plans to travel to Australia and meet with Bowen to discuss the talks.

      COP31 champions

      In his letter, Kurum announced that Samed Ağırbaş, president of Türkiye’s Zero Waste Foundation, which was set up by the country’s First Lady, has been appointed as the COP31 Climate High-Level Champion, tasked with working with business, cities and regions and civil society to promote climate action.

      Sally Higgins, a young Australian cattle farmer and sustainability consultant who has also carried out research on land-use change, has been appointed as Youth Climate Champion. Kurum said she “is a passionate advocate for climate change and elevating the voices of young people”.

      Turkish officials Fatma Varank, Halil Hasar and Mehmet Ali Kahraman have been appointed as COP31 CEO, Chief Climate Diplomacy Officer and Director of the COP31 Presidency Office respectively. Deputy environment ministers Ömer Bulut and Burak Demiralp will lead on construction and infrastructure, and operational and logistical processes.

      Kurum said Türkiye’s Presidency would continue to use the Troika approach – a term coined two years ago under Azerbaijan’s COP29 Presidency, which worked with the previous Emirati COP28 and subsequent Brazilian COP30 hosts.

      Kurum said the Troika approach offers “stability and predictability by connecting past, current and future presidencies” and that “in this regard” Türkiye and Australia would work “in close cooperation with Azerbaijan and Brazil”. This appears to overlook the 2027 COP32 host – Ethiopia.

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      Broken debt system must be fixed to confront future climate shocks

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      Mae Buenaventura is the manager of the debt justice programme of the Asian Peoples’ Movement on Debt and Development, a regional alliance of peoples’ movements, community organizations, coalitions, NGOs and networks

      A potentially historic shift in public debt governance is set to unfold in Washington DC this week as Global South governments take a collective stand to stop a “silent killer” of development financing.

      The first-ever UN-hosted borrowers’ forum will officially be launched on April 15 on the sidelines of the 2026 Spring Meetings of the International Monetary Fund (IMF) and the World Bank. Led by five convening countries – Zambia, Egypt, Nepal, the Maldives and Pakistan – the initiative is one of the key wins of last year’s 4th Financing for Development Conference (FFD4) in Sevilla, Spain.

      The forum’s mandate is to establish a platform for borrower countries, supported by a UN secretariat, “to discuss technical issues, share information and experiences in addressing debt challenges, increase access to technical assistance and capacity-building in debt management, coordinate approaches and strengthen borrower countries’ voices in the global debt architecture”.

      Instead of facing lenders alone, these countries will now use a UN-backed platform to share technical expertise and coordinate their approach to a global debt system that is fundamentally broken.

      Debt grips climate-vulnerable nations

      The human cost of the current debt architecture is staggering. According to the UN trade and development agency, UNCTAD, more than 40% of the global population – roughly 3.4 billion people – live in countries where the government is forced to spend more on debt payments than on the health, education and social protection of its citizens.

      In so-called low-income countries, governments spend an average of 7.5% of their total budgets on debt service, with interest payments consuming up to 20% of total government revenue in these regions.

      The Philippines is a case study in this financial stranglehold. It is part of a global majority forced to watch its public services crumble and infrastructure lag while its wealth is siphoned off to satisfy foreign lenders.

      The policy of automatic appropriations – a legacy of the rule of late former President Ferdinand Marcos Sr. – mandates that debt servicing takes precedence over any other public expenditure, effectively placing the demands of lenders above the needs of the Filipino people. Even as it faces a $1.5 trillion regional financing gap to achieve the Sustainable Development Goals (SDGs) by 2030, its hands remain tied by a legal framework that values credit ratings over human lives.

        As a “middle-income country” (MIC), the Philippines is stuck in a frustrating purgatory. It is often deemed “too wealthy” for the G20’s debt-relief framework, yet too poor to absorb global economic shocks. Last year, Finance Undersecretary Joven Balbosa hit the nail on the head when he called for support that goes “beyond the simplistic income categorization” that ignores a country’s actual vulnerabilities.

        Without an inclusive and equitable global debt architecture, nations including the Philippines are left to navigate catastrophic climate risks and economic shocks with zero fiscal breathing space.

        No respite during climate disasters

        The regional evidence of this systemic failure is everywhere. Take Pakistan, which in 2022 was hit by catastrophic flooding that submerged a third of the country and caused billions in losses. Despite this climate-driven disaster, World Bank data shows that Pakistan made payments in 2023 of $11.8 billion for public and publicly guaranteed (PPG) external debt, while its PPG external debt reached $93 billion that same year, surpassing pre-pandemic debt of $87 billion (2020).

        Sri Lanka followed IMF prescriptions throughout 16 lending programs since 1991, only to become the first Asian country this century to default. Its MIC status prevents application for debt relief and restructuring measures. Today, the Sri Lankan people bear the brunt of harsh conditionalities, including raising VAT from 8% to 15%, slashing food and fuel subsidies, and the erosion of hard-earned worker pensions.

        Residents sit in a Rescue 1122 boat as they evacuate from the flooded area, following monsoon rains and rising water levels of the Chenab River, in Qasim Bela village on the outskirts of Multan in Punjab province, Pakistan, September 11, 2025. REUTERS/Quratulain Asim

        Residents sit in a Rescue 1122 boat as they evacuate from the flooded area, following monsoon rains and rising water levels of the Chenab River, in Qasim Bela village on the outskirts of Multan in Punjab province, Pakistan, September 11, 2025. REUTERS/Quratulain Asim

        Currently, the global rules of lending and borrowing are set by a “creditors’ club” composed of the IMF, the World Bank and the Global Sovereign Debt Roundtable it set up, and the Paris Club.

        These institutions measure “debt sustainability” through a narrow lens of a country’s capacity to make timely repayments. They largely ignore internal economic inequalities, gender disparities and the existential threat of climate change.

        Crises should trigger debt service cancellation

        By organising the new borrowers’ forum, the Global South is signalling that the era of passive “standard-setting” by lenders is over.

        The ultimate goal for global civil society and debt justice movements is the establishment of a UN Debt Convention; a democratic, binding and inclusive framework that governs both lenders and borrowers. This mechanism would ensure that debt restructuring and cancellation are sufficient to allow countries to fulfill their international human rights obligations and implement necessary climate actions.

        Green Climate Fund picks locations for five developing country hubs

        To be truly transformative, debt sustainability analyses must align with human rights and sustainable development needs. This means conducting impact assessments – both before and after loans are issued – to identify “illegitimate” debts that do not benefit the public.

        Crucially, we need an automatic debt service cancellation mechanism that triggers during extreme climatic, environmental or health shocks. We also need a binding global debt registry to ensure that every loan is transparent and subject to public scrutiny.

        Whether the borrowers’ forum becomes a true milestone depends on its courage to challenge the status quo. We can no longer allow debt to act as a “silent killer” of our future. It is time to demand a financial system that serves humanity, not just the balance sheets of the powerful.

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        Join Greenpeace to save Scott Reef from Woodside’s dirty gas

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        Greenpeace and allies will be protesting outside Woodside’s Annual General Meeting to show the WA and federal governments strong community opposition to Woodside’s proposal to drill for gas at Scott Reef.

        What: Protest outside Woodside Energy’s Annual General Meeting

        When: 8am Thursday 23rd April 2026Where: Kagoshima Park (on the corner of Great Eastern Highway and Bolton Avenue)

        What’s at stake

        Scott Reef is a pristine ocean ecosystem off the north-west coast of Australia.

        It is home to endangered and endemic species, including pygmy blue whales and the dusky sea snake, and a nesting ground for green sea turtles. Scott Reef is a place of extraordinary natural beauty, and a vital marine environment that supports a wide range of marine life.

        What Woodside is proposing

        Dirty fossil fuel corporation, Woodside Energy, is seeking approval to drill more than 50 gas wells underneath and around Scott Reef as part of its Browse project.

        The gas would be extracted and transported to the Burrup Hub, the most polluting fossil fuel project in Australia. This proposal would industrialise the doorstep of Australia’s largest freestanding oceanic reef system – threatening the marine life that relies on it and the climate.

        Why this can’t go ahead

        The WA Environmental Protection Authority has already identified the risks of this project as “unacceptable”, issuing a preliminary rejection.

        Serious concerns include:

        • The risk of an oil spill
        • Impacts on pygmy blue whales
        • Damage to green sea turtle nesting grounds

        These risks are severe, and potentially irreversible. But the decision hasn’t been made yet. The project is still being assessed.

        The Federal Environment Minister is approaching a decision that will determine whether Scott Reef is protected – or vulnerable to decades of industrial gas destruction.

        This is a defining moment.

        Make opposition visible

        Across Australia, people are speaking out to protect Scott Reef and oppose Woodside’s Browse project.

        Showing that opposition is visible, coordinated and growing helps increase pressure on decision-makers ahead of this critical decision.

        Join the protest

        A protest outside Woodside’s AGM is a key public moment to demonstrate opposition and help protect Scott Reef.

        Kagoshima Park (on the corner of Great Eastern Highway and Bolton Avenue)
        🕗 8am, Thursday 23rd April 2026

        Join the protest and help show how many people support protecting Scott Reef before the government makes its decision.

        Join Greenpeace to save Scott Reef from Woodside’s dirty gas

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