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.

× Clear Filters
2,765 Articles
US Ambassador to the UN Dorothy Camille Shea (R) speaks during a Security Council Meeting as Iranian UN Ambassador Amir Saeid Iravani (L) looks on.

U.S. Ambassador to the U.N. Nominee Waltz Faces Senate Vote as the Global Body Reels

If confirmed, Michael Waltz will send crucial signals about the Trump administration's plans, beyond big budget cuts, for the world body.
A woman poses for pictures next to the HQ-9B surface-to-air missile system (L) and the HQ-19 surface-to-air missile system during the 15th China International Aviation and Aerospace Exhibition in Zhuhai, in southern China's Guangdong province on November 15, 2024. (Photo by HECTOR RETAMAL/AFP via Getty Images)

The Future of Arms Control: Time for a New Strategic Framework

Arms control must evolve from a legacy tool of superpower rivalry to a modern instrument of strategic risk management. That work must begin now.
IMAGES (left to right): People search through buildings, destroyed during Israeli air raids in the southern Gaza Strip on November 7, 2023 in Khan Yunis, Gaza (Photo by Ahmad Hasaballah/Getty Images); A fireball erupts during Israeli bombardment of Gaza City on October 9, 2023 (Photo by Mahmud Hams/AFP via Getty Images); The International Court of Justice (ICJ), the principal judicial organ of the UN, holds public hearings on the request for the indication of provisional measures submitted by South Africa in the case South Africa v. Israel on 11 and 12 January 2024, at the Peace Palace in The Hague, the seat of the Court (Photo by the International Court of Justice).

Just Security’s Israel-Hamas War Archive

Just Security's collection of more than 110 articles covering the Israel-Hamas War and its diplomatic, legal, and humanitarian consequences.
Gavel and scales with a US flag in the background as symbols of a jurisdiction.

Litigation Tracker: Legal Challenges to Trump Administration Actions

A public resource tracking all the legal challenges to the Trump administration's executive orders and actions.
People lay flowers and set candles to memorial

Trump Administration’s Proposed Cuts to Accountability for Mass Atrocities Undermine Its Own Strategic Goals

International accountability efforts are not a misguided moral crusade – they are a core instrument of U.S. national power.
Binders of executive orders stacked on a desk.

Collection: Just Security’s Coverage of Trump Administration Executive Actions

Coverage of key developments, including in concise “What Just Happened” expert explainers, legal and policy analysis, and more. Check back frequently for updates.
The facade of the ICC building.

Rethinking ICC Reform: Politics, Legitimacy, and the Perils of Expansion Without Consolidation

States should use the Special Session to reinforce the ICC’s foundations and ensure it can credibly discharge its existing mandate.
The Just Security Podcast

The Just Security Podcast: Is There a Diplomatic Path for Iran’s Nuclear Program? An Interview with Richard Nephew

Just Security’s Tess Bridgeman is joined by Richard Nephew to discuss where things stand and what a path forward for Iran's nuclear program might look like.
U.S. Ambassador to the United Nations Dorothy Camille Shea speaks during a Security Council Meeting on the Israel-Iran conflict at United Nations headquarters on June 24, 2025 in New York. (Photo by ANGELA WEISS/AFP via Getty Images)

Assessing the U.S. Article 51 Letter for the Attack on Iran: Legal Lipstick on the Use of Force Pig

Former State Department attorney analyzes U.S. letter to UN Security Council that presented legal arguments for U.S. strike on Iran's nuclear facilities.
A man walks past an infrastructure project underway for COP30 in Belem, Para state, Brazil

COP 30 Must Not Cop Out

Brazil, the Parties, and other stakeholders should ensure the issue of "nationally determined contribution" emission targets lie at the heart of COP 30.
Collage of the Israel-Iran conflict

Collection: Iran-Israel/United States Conflict

Experts analyze critical dimensions of Israel’s strikes relevant responses, covering nuclear diplomacy; strategic, security, and regional implications; and international law.
U.S. Navy officers stand guard aboard the Virginia-class fast-attack submarine USS Minnesota after the vessel docked at HMAS Stirling in Rockingham, Western Australia, on February 26, 2025, during a port visit. (Photo by COLIN MURTY/POOL/AFP via Getty Images)

The Pentagon’s AUKUS Review is an Opportunity — If Done Right

The success of AUKUS is important for validating and refining a kind of joint defense model that the United States can use to forge more productive partnerships.
1-12 of 2,765 items

DON'T MISS A THING. Stay up to date with Just Security curated newsletters: