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.

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Legal and Practical Implications of the U.S. Withdrawal from the U.N. Framework Convention on Climate Change

The U.S. withdrawal from the UNFCCC is a further blow to climate cooperation and a demonstration of U.S. foreign policy volatility.
Gavel in front of a globe

Negotiating a Treaty on Crimes Against Humanity – Introduction to the Joint Symposium

A symposium featured expert analyses of issues related to advancing the draft International Convention on the Prevention and Punishment of Crimes Against Humanity.
NATO Leaders join King Willem-Alexander and Queen Máxima of the Netherlands for a family photo as they participate in the 2025 NATO summit on June 24, 2025 in The Hague, Netherlands. (Photo by Haiyun Jiang-Pool/Getty Images)

The North Atlantic Treaty and a U.S. Attack on Denmark

Would NATO have to defend Denmark if the United States attempted to seize Greenland? Article 5 suggests other allies are obligated to come to Denmark's defense if requested.
Silhouette of President Donald Trump outside the White House in the evening.

The United States in Retreat

Whatever the modest cost-savings that are generated by this U.S. withdrawal from the multilateral system, the loss of long-term influence will be far greater.
Gavel on an old world map

80 Years After Nuremberg, Envisioning the Future of International Law

For international criminal law to remain a compelling set of norms, the central principles that formed Nuremberg must be vigorously defended.
The International Court of Justice (ICJ), principal judicial organ of the UN, holds public hearings (by video link) on the preliminary objections raised by Myanmar in the case concerning "Application of the Convention on the Prevention and Punishment of the Crime of Genocide" (The Gambia v. Myanmar) at the Peace Palace in The Hague, from 21 to 28 February 2022. Sessions are held under the presidency of Judge Joan E. Donoghue, President of the Court.

Elements of Genocide: Intent to Kill

The ICJ should explicitly interpret ‘intentionally’ killing members of a group to include dolus directus and dolus eventualis in the case brought by Gambia against Myanmar.
People watch the smoke rising from Port of La Guaira after explosions and low-flying aircraft were heard on January 03, 2026 in La Guaira, Venezuela. According to some reports, explosions were heard in Caracas and other cities near airports and military bases around 2 am. US President Donald Trump later announce that his country's military had launched a "large-scale" attack on Venezuela and captured its President Nicolas Maduro and his wife. (Photo by Jesus Vargas/Getty Images)

U.S. Intelligence in a Post-Maduro Venezuela

Intelligence has a central role to play in capitalizing on the successful capture of Maduro and stabilizing post-Maduro Venezuela, demonstrating U.S. capabilities and resolve.
Trump is standing at a wooden lectern with the presidential seal on the front of it. The officials are arrayed behind him, against a dark blue backdrop with an American flag and a presidential flag between the backdrop and the officials. All the men are wearing suits, except Caine, who is wearing a blue Air Force uniform.

Trump’s New Year Foreign Policy: The Risk that the Bold and the Bad Outweigh the Constructive

Trump’s foreign policy remains an inconsistent array of initiatives and adventures: bold in Latin America, bad in Greenland, yet often constructive on Ukrainian security.
The facade of the ICC building.

Hollowing Out Complementarity: The ICC Rejects Israel’s ‘Court of Last Resort’ Admissibility Challenge

The ICC Appeals Chamber affirmed the case against Israeli leaders, narrowing Article 18 complementarity and raising concerns about the Court’s treatment of non-member states.
The International Court of Justice (ICJ), principal judicial organ of the UN, holds public hearings (by video link) on the preliminary objections raised by Myanmar in the case concerning "Application of the Convention on the Prevention and Punishment of the Crime of Genocide" (The Gambia v. Myanmar) at the Peace Palace in The Hague, from 21 to 28 February 2022. (via UN Photo)

Proving Genocide: Patterns of Conduct

As the ICJ hears Gambia v. Myanmar, the Court should continue to consider “patterns of conduct,” while weighing this evidence with other sources for genocidal intent.

The Just Security Podcast: Can the U.S. Seize Russian Flagged Oil Tankers?

Tess Bridgeman speaks with Rob McLaughlin about the legality of the U.S. interception and seizure of two Russian-flagged oil tankers in international waters.

Congress, the President, and the Use of Military Force in Venezuela

Did the president have the authority under U.S. law to undertake Operation Absolute Resolve without congressional authorization? Leading experts say he did not.
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