Diplomacy

Just Security’s expert authors offer analysis of diplomacy and its role in addressing global challenges, from armed conflicts to international crises and more. Our coverage includes U.S. foreign policy, international organizations, and multilateral diplomacy related to critical global issues.

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3,025 Articles
The image shows a large hall from above at the rear, with at least 5 rows of desks and chairs arrayed in a crescent facing away from the viewer toward the front of the room, where officials sit at a dais flanked by two large screens on the wall behind them showing speakers giving remarks.

How to Prevent the U.N. Global Counterterrorism Strategy Negotiations from Blowing Up

As the UN marks 20 years of its Global Counterterrorism Strategy, co-facilitators must steer fraught negotiations to protect human rights and preserve consensus.
Local residents leave the city of Kostyantynivka alongside volunteers, walking beneath protective nets installed above the road to shield against Russian FPV drone attacks as evacuations continue along this frontline corridor in the Donetsk region on February 13, 2026 in Kostyantynivka frontline, Ukraine. (Photo by Kostiantyn Liberov/Libkos/Getty Images)

What Negotiators Miss in Ukraine Talks: Territorial Concessions Would Abandon Real People – and Fail to Bring Peace

U.S.-led talks float Ukrainian territorial concessions to Russia, but such deals would abandon real communities and entrench an unjust, fragile peace.
EU and Ukrainian flags fly in the wind in front of the Berlaymont, the EU Commission headquarter for the 4th year anniversary of the full scale invasion of Ukraine by Russia, on February 23, 2025 in Brussels, Belgium. (Photo by Thierry Monasse/Getty Images)

Toward A Just and Lawful Peace in Ukraine: Part II

As the war in Ukraine continues to unfold, international lawyers must keep insisting that law be injected into diplomacy and accountability into power politics.
Light gray colored missiles with "JL-1" markings on the side rest atop camouflage-painted truck beds arrayed in a square in front of a massive columned building.

The End of Treaty Nostalgia: Arms Control After New START

New START’s expiration highlights the limits of arms control designed for an earlier era of bilateral rivalry, without accounting for factors such as China's buildup.
Abraham Lincoln (CVN 72) sails alongside Arleigh Burke-class guided-missile destroyer USS Frank E. Petersen Jr. (DDG 121) and Lewis and Clark-class dry cargo ship

Expert Q&A: Are U.S. Threats or Use of Force Against Iran Lawful?

Experts examine the international law issued raised by the U.S. threats and potential strikes against Iran.
Ukrainian President Volodymyr Zelenskyy speaks at the Diplomatic Conference for the Adoption of the Convention Establishing a Special Tribunal for the Crimes of Aggression Against Ukraine at the Hague on December 16, 2025 (via Council of Europe Media Gallery)

Toward A Just and Lawful Peace in Ukraine: Part I

A review of what law and lawyers have contributed toward the goal of a just and lawful peace in Ukraine over the past four years.
Protesters hold Iranian pre-Islamic revolution of 1979 flags in front of the United Nations office in Geneva​, Switzerland on February 17, 2026.

What the Current Crises Facing Iran Mean for Human Rights and Rules on the Use of Force

The human rights crisis in Iran reveals the limits of a legal system designed to restrain force even when restraint carries profound human costs.
Philippine Foreign Minister Theresa Lazaro delivers a speech during the Association of Southeast Asian Nations (ASEAN) Foreign Ministers' Retreat in Cebu City on January 29, 2026. (Photo by Jacqueline Hernandez / POOL / AFP via Getty Images)

The Limitations of AICHR’s Non-Binding Procedures and the Prospect for Change by 2030

While AICHR has succeeded in creating a regional platform for norm-setting, its reliance on non-binding procedures has limited its effectiveness in delivering protection.
A man in a red, navy and white plaid shirt sits at a table constructing an electronic device in what appears to be a makeshift workroom.

Ukraine’s Long War and History’s Lessons for the West

Russia’s long war on Ukraine is a world-shaping conflict, and only sustained U.S. and European pressure can secure the continent's future and the global order.
A wide view of the Security Council meeting on threats to international peace and security, regarding the situation in Venezuela.

U.S. Allies and Adversaries’ Reactions to Operation Absolute Resolve to Capture Maduro: UN Security Council Emergency Meeting

Key excerpts from the Jan. 5 U.N. Security Council meeting on the U.S. operation that captured Venezuela’s Nicolás Maduro.
Ukraine's President Volodymyr Zelensky (L) and Secretary General of the Council of Europe Alain Berset (R) speak at podiums in front of a light blue backdrop, next to the blue flag with a circle of gold stars that represents the European Union and the Council of Europe and the edge of a Ukrainian flag showing on the left edge of the image.

From Commitment to Action: The Next Steps in Holding Russia’s Leaders Accountable for the Crime of Aggression Against Ukraine

The Special Tribunal for the Crime of Aggression in Ukraine is a step toward closing a longstanding gap in international criminal accountability.
Deputy Secretary of State Christopher Landau (L) speaks at a lectern as AUC Chairperson Mahmoud Ali Youssouf (R) stands at the right, both of them in front of an American flag and multiple green flags of the African Union.

New U.S.–AU Infrastructure Working Group Could Thrive With Strong Values-Based Safeguards

If the Strategic Infrastructure and Investment Working Group is to succeed, the United States must anchor its offerings in rules-based governance.
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