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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2,794 Articles
The United States, China and Taiwan on a blue world map

Dueling Strategies for Global AI Leadership? What the U.S. and China Action Plans Reveal

The U.S.-China AI rivalry raises urgent questions for global stability, intensifying fragmentation, chip chokepoints and global AI governance.
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.
The US Navy warship USS Sampson (DDG 102) docks at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

Legal Issues Raised by a Lethal U.S. Military Attack in the Caribbean

The Trump administration’s extraordinary lethal attack on a purported drug smuggling vessel – and its vow that it is the start of a campaign – raise significant legal issues.
In this aerial view, a forklift puts boxes of peaches on to a truck after they were harvested from the last crop off of the trees at a peach orchard on July 24, 2023 in Fort Valley, Georgia. Due to weather extremes earlier in the year, their peach season, which usually ends in August, concluded early. (Photo by Joe Raedle/Getty Images)

America’s Climate Diplomacy Challenge and the Path to Rebuilding Credibility

For international climate diplomacy to succeed, it cannot be tethered to partisan swings in Washington.
(L-R) French President Emmanuel Macron, Germany's Chancellor Friedrich Merz and British Prime Minister Keir Starmer pose for the media at a hotel prior to an E3 meeting on the sidelines of the 2025 NATO summit on June 24, 2025 in The Hague, Netherlands. (Photo by Ben Stansall - WPA Pool/Getty Images)

What You Need to Know About Iran Sanctions Snap Back at the UN: A Q&A with Kelsey Davenport

On Aug. 28, three European nations triggered snapback of the UN's Iran sanctions. Kelsey Davenport explains its impact, next steps, and why it matters.
Security Council Chamber at United Nations

The United Nations in Hindsight: The Security Council and the UN80 Initiative – What Lies Ahead?

The road to a leaner, more efficient U.N. is likely to be bumpy, but as the U.N. turns 80, its future may lie in being able to adapt to shifting global realities.
Ukraine's President Volodymyr Zelenskyy (L), Britain's Prime Minister Keir Starmer (C) and France's President Emmanuel Macron (R)

The Fantasy of a European Reassurance Force for Ukraine

A European "reassurance force" for Ukraine risks being another notional "guarantee" offering little more than a false sense of security.
A collage of images featuring scenes from the Russia - Ukraine War.

Just Security’s Russia–Ukraine War Archive

A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.
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.
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.
IMAGES (left to right): Natural disaster and its consequences (via Getty Images); In this picture taken on September 28, 2022, an internally displaced flood-affected family sits outside their tent at a makeshift tent camp in Jamshoro district of Sindh province (Photo by Rizwan Tabassum/AFP via Getty Images; Trees smolder and burn during the Dixie fire near Greenville, California on August 3, 2021. – Numerous fires are raging through the state’s northern forests, as climate change makes wildfire season longer, hotter and more devastating. (Photo by JOSH EDELSON/AFP via Getty Images)

Just Security’s Climate Archive

A catalog of articles analyzing the diplomatic, political, legal, security, and humanitarian consequences of the international climate crisis.
Judges of the International Criminal Court (ICC) await the verdict of a sentencing on November 20, 2024 at the ICC court in The Hague. (Photo by EVA PLEVIER/ANP/POOL/AFP via Getty Images)

Raising the Cost of U.S. Coercion Against the ICC

Previous administrations sought to reinterpret, evade, or selectively engage with international law. The Trump administration is actively delegitimizing and dismantling it.
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