International Law

Just Security offers expert analysis of international law and its role in addressing global challenges. Our coverage includes litigation in international and regional tribunals, the process of international law-making, analysis of compliance and accountability for international law violations–including international criminal justice, and challenges to the international legal order.

× Clear Filters
3,695 Articles
U.S. President Donald Trump presents the “Board of Peace” onstage at the World Economic Forum (WEF) on January 22, 2026 in Davos, Switzerland. (Photo by Chip Somodevilla/Getty Images)

Expert Q&A on the Charter of the Board of Peace and the Role of Congress

Can the United States join the Board of Peace without action by Congress? Can it provide funds or carry out its operations without congressional approval?
A smartphone displays a post by U.S. President Donald Trump on the Truth Social platform showing a composite image featuring Trump alongside U.S. Secretary of State Marco Rubio and U.S. Vice President J.D. Vance, with the U.S. flag and a sign reading Greenland, U.S. Territory Est. 2026, while a map of Greenland is visible in the background, on January 20, 2026 (Photo illustration by Cheng Xin/Getty Images)

The Insurmountable Legal Obstacles to U.S. Acquisition of Greenland

Any acquisition of Greenland by the United States–whether by force or through coerced agreement–would directly violate fundamental principles of international law.
Screenshot of the Hypothetical Legal Review of Use of the U.S. Military in Greenland (Just Security)

Hypothetical Legal Review of Use of the U.S. Military in Greenland

This hypothetical legal review imagines what a senior judge advocate’s legal analysis would be if ordered to plan a U.S. military operation in Greenland without Denmark's consent.
International criminal court sign and building.

Judging War: The Legitimacy of International Courts in Armed Conflicts

This article examines how the ICJ and ICC navigate legitimacy challenges in armed conflicts, testing their authority, fairness, and impact on global peace and justice.
An image of the International Court of Justice chambers.

Symposium Introduction: Is There a Role for International Courts in Ending Wars?

Judicial involvement in ongoing armed conflicts should be examined from multiple vantage points: courts, victims, parties to conflict, and broader goals of peace and security.
CARIBBEAN SEA - SEPTEMBER 22: In this handout provided by the U.S. Navy, An AH-1Z Cobra, assigned to Marine Medium Tiltrotor Squadron (VMM) 263 (Reinforced), fires an air-to-ground missile (AGM) 114N during a live-fire exercise on September 22, 2025 in the Caribbean sea.

Using an Unmarked Aircraft to Attack an Alleged Drug Boat: Is it Perfidy?

Did the Sept. 2 strike on suspected drug traffickers using an unmarked aircraft violate the prohibition on perfidy, or other LOAC rules, had there been an armed conflict?
Journalists work as Ukraine's President Volodymyr Zelensky is seen on screen as he speaks to press during the European Council meeting gathering the 27 EU leaders to discuss Ukraine, European defence, and more, in Brussels, on October 23, 2025. (Photo by NICOLAS TUCAT / AFP) (Photo by NICOLAS TUCAT/AFP via Getty Images)

The EU Discovers Emergency Powers: Russian Assets Edition

When is it justified for the EU to rely on emergency measures to protect Ukraine and counter Russia?
A globe in front of books

The Prosecution of Crimes against Humanity: a National Perspective

An international convention on prevention and punishment of crimes against humanity would be a visible step toward accountability.
A person enjoys an afternoon walk near the sea on January 15, 2026 in Nuuk, Greenland. (Photo by Alessandro RAMPAZZO / AFP via Getty Images)

How Congress Can Preserve NATO and Greenland: Using 22 USC 1928f to Protect the Peace

Trump’s threats to invade Greenland risk destroying NATO itself, but a little-known statute, 22 U.S.C. 1928f, could prevent him from doing just that.
Gavel and a globe

Overview of the ILC Draft Articles for a Crimes Against Humanity Convention

An expert overview of the draft articles produced by the ILC for the upcoming U.N. conference on a Crimes Against Humanity Treaty.
Members of the Delegation of The Gambia Monday 12 January 2026 Photograph: UN Photo/ICJ-CIJ/Frank van Beek. Courtesy of the ICJ. All rights reserved.

Proving Genocide: Party Presentation

Myanmar appears to have changed its position in Gambia v. Myanmar, a historic genocide case before the ICJ. This change may prove decisive in the court's pending decision. 
The Marinera oil tanker is seen on January 14, 2026 in Hopeman, Scotland. The Marinera oil tanker, previously known as the Bella 1, has entered UK waters at the request of the US to be replenished with "essential supplies." The Russian-flagged tanker was seized by US forces on 7 January 2026, between Iceland and Scotland, for allegedly violating sanctions by transporting oil for Venezuela, Russia, and Iran. (Photo by Peter Summers/Getty Images)

A Law of the Sea Assessment of the U.S. boarding of the Bella 1 / Marinera

Based on the publicly available information to date, it is difficult to sustain the lawfulness of the U.S.-led and UK-supported seizure of the Marinera.
1-12 of 3,695 items

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