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United Nations Secretary-General António Guterres has urged countries to rebuild confidence in multilateral cooperation, warning that wars, widening inequality, climate change and mounting humanitarian emergencies are placing unprecedented pressure on the international system.
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Guterres said major international institutions, including the UN Security Council and the global financial system, were struggling to respond effectively to the scale of today’s crises, while violations of international law and human rights were increasingly occurring with impunity.
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The UN chief warned that rising geopolitical tensions were increasing the danger of nuclear escalation, while artificial intelligence presented both enormous opportunities and potentially grave dangers without effective governance, transparency and accountability.
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Addressing the General Assembly for the final time as secretary-general, Guterres backed the Pact for the Future and the UN80 Initiative as roadmaps for reform, urging member states to use diplomacy, dialogue and cooperation to restore confidence in the multilateral system.
September 09, (THEWILL) — The United Nations Secretary-General, António Guterres, has sounded a fresh global alarm over the mounting threats posed by wars, climate change, inequality, humanitarian crises and the risk of nuclear escalation, warning that the international system is being pushed to its limits.
Guterres issued the warning in New York while opening the 81st session of the United Nations General Assembly, where he called on member states to urgently restore faith in multilateral cooperation and international institutions.
He described the rebuilding of trust in global institutions as “the defining challenge of our time,” arguing that the world’s most serious problems could no longer be effectively managed without stronger international cooperation.
The warning came as newly elected General Assembly President Khalilur Rahman begins his tenure under the theme, “Restoring Trust, Managing Transformation: A United Nations that Delivers for All.”
Guterres said the theme reflected the urgent need to rebuild confidence in a global system facing a combination of armed conflicts, economic inequality, climate disruption, displacement and growing humanitarian needs.
“In these tumultuous times, the global problem-solving system is more crucial than ever”, he stated.
According to the UN chief, the international community is confronted by persistent poverty, record levels of displacement, worsening climate disruption and deepening humanitarian needs, all of which are placing enormous pressure on governments and international institutions.
He called for stronger diplomacy, dialogue and cooperation, stressing that countries must resist the temptation to retreat into unilateralism at a time when global challenges are becoming increasingly interconnected.
Global Institutions Under Strain
Guterres expressed particular concern about the ability of existing international institutions to respond to the scale of contemporary crises.
He said institutions ranging from the UN Security Council to the international financial system were struggling to keep pace with the rapidly changing global environment.
The Security Council has faced repeated divisions over major international conflicts, with disagreements among its permanent members frequently complicating efforts to achieve collective action.
Guterres warned that the erosion of respect for international law and human rights was further weakening the international system. He said violations were too often being committed with impunity, undermining confidence in the rules designed to prevent abuses and regulate relations between states.
For Guterres, the challenge is not simply that the world has too many crises, but that existing mechanisms for addressing those crises are increasingly failing to command the trust and cooperation required to resolve them.
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Nuclear Escalation Threat
The secretary-general also highlighted the danger posed by nuclear weapons and the possibility of escalation amid heightened geopolitical tensions.
He urged countries to strengthen diplomatic engagement and maintain dialogue, warning against allowing conflicts and rivalries to develop into wider confrontations.
The renewed concern over nuclear risks comes as tensions among major powers and prolonged armed conflicts have increased fears about the weakening of established mechanisms for managing strategic and security threats. Guterres framed his appeal around prevention, declaring that countries must rely on diplomacy and cooperation before disputes escalate into crises that could have devastating consequences beyond the parties directly involved.
AI: Promise And Peril
Artificial intelligence emerged as another major concern in Guterres’ address. He said AI offered “great promise” for humanity but could also bring “great peril” if its development and deployment were not properly governed.
The UN chief called for effective governance and transparency to ensure that AI serves humanity rather than deepening existing inequalities or creating new forms of instability.
He also drew attention to the environmental implications of the technology, particularly its growing demand for energy and other resources.
The rapid expansion of AI has created opportunities in areas including scientific research, healthcare, education, productivity and development, but Guterres emphasised that AI has simultaneously raised concerns about misinformation, security, employment disruption, accountability and environmental sustainability.
He urged governments to ensure that technological progress is accompanied by appropriate international rules and safeguards.
The secretary-general also raised concerns over the slow progress towards achieving the Sustainable Development Goals.
He said development efforts were being undermined by funding cuts at a time when poorer and vulnerable countries require greater support to confront poverty, inequality, climate change and humanitarian emergencies.
The SDGs provide the international community with a framework for tackling a broad range of global challenges, including poverty, hunger, healthcare, education, gender equality, environmental protection and sustainable economic development. But conflicts, economic pressures, climate-related disasters and inadequate financing have slowed progress in many areas.
Guterres warned that declining aid and development financing could further widen existing inequalities and make it more difficult for vulnerable countries to meet their development commitments.
He consequently called for renewed international solidarity and stronger financial support for development.
Final General Assembly Address
Despite his stark assessment of the state of the world, Guterres struck a hopeful tone as he addressed the General Assembly for the final time as secretary-general. He argued that the difficulties facing the international system were precisely why the United Nations remained necessary.
According to him, the UN continues to provide the principal forum where countries can come together to address challenges that transcend national borders, from war and climate change to poverty, humanitarian emergencies and technological disruption.
He urged member states not to abandon multilateralism because of its shortcomings, but to reform and strengthen it.
“The way forward is clear”, Guterres said, endorsing the UN’s Pact for the Future and the UN80 Initiative as roadmaps for reform and renewed international action.
The Pact for the Future, adopted by UN member states in 2024, seeks to strengthen international cooperation and update global institutions to deal with emerging and longstanding challenges. The UN80 Initiative is similarly aimed at improving the organisation’s effectiveness and ensuring that it can deliver more efficiently amid financial, operational and geopolitical pressures.
Guterres urged member states to move beyond declarations and translate reform commitments into practical action.
He said the credibility of the multilateral system would ultimately depend on its ability to deliver tangible results for people, particularly those most affected by war, poverty, displacement, climate change and economic inequality.
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