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.

Highlights:

The U.S.-Ukraine Agreement: Legality and Transparency

The recently announced mineral deal is likely a lawful “sole executive agreement” that the president need not submit to Congress, but subsequent implementing agreements are…
Sen. Patrick Leahy sits in front of a poster with examples of Russian-created Facebook pages

Is the U.S. Abandoning the Fight Against Foreign Information Operations?

The Trump administration's policy shift paves the way for foreign propaganda to flourish, leaving Europe to step into the breach.
A model of IBM Quantum

Structuring Markets for Strategic Quantum Innovation

To harness quantum's full potential, governments should create a market environment conducive to strategic innovation.
A model of an underwater internet cable

A New Strategy to Counter Chinese Sabotage of Taiwan’s Undersea Cables

U.S. policymakers must adopt a comprehensive strategy to counter China's "shadow fleet" and enhance Taiwan's undersea cable security.
Image: A prison officer guards a cell at maximum security penitentiary CECOT (Center for the Compulsory Housing of Terrorism) on April 4, 2025 in Tecoluca, San Vicente, El Salvador. (Photo by Alex Peña/Getty Images)

Another Abrego Garcia, and the Administration’s “Contrivance” to Keep Him in El Salvador’s Prison

Fourth Circuit rejects the government's attempt to keep a detainee very similar to Abrego Garcia in CECOT prison.
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The Just Security Podcast: What’s Next for U.S. Diplomacy and Foreign Assistance?

Expert panel considers the proposed restructuring of the State Department and unpacks the implications for U.S. foreign policy, what's at stake, and what lies ahead.
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2,727 Articles
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.
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): 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.
A doctor walks through the halls in a bombed Gaza hospital

State’s Program for Responding to Civilian Harm Caused by American Weapons Falls Short, But Should Not Be Abandoned

A well-resourced CHIRG could help prevent U.S. arms from being used unlawfully, and offer a credible response to critics of America’s global weapons transfers.

Fireside Chat with Singapore’s Chief of Cybersecurity David Koh: Navigating the New Global Tech Order

Remarks from Singapore's Chief of Cybersecurity David Koh for the Just Security-Oxford Global Tech Policy Seminar Series.
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.
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The Just Security Podcast: Peace Diplomacy and the Russo-Ukraine War

How should we understand the prospects for a sustainable peace in Ukraine amidst evolving geopolitical dynamics and continued battlefield uncertainty?
An image of an orange/yellow sun

Why a Global “Moratorium” on Solar Radiation Management Deployment Should Get a Chilly Reception

A bottom-up norm-setting approach would rectify the concerns of agreeing to a global moratorium on solar radiation management deployment.
U.S. Secretary of Defense Pete Hegseth talks with Panama Canal Administrator Ricaurte Vasquez in front of a Panama Canal sign.

Ambiguity Is Not Authorization: The Neutrality Treaty Does Not Justify U.S. Military Intervention in Panama

U.S. Military intervention in Panama would violate fundamental international norms and find no justification in the Neutrality Treaty.
A group of police officers stand by a police car.

Bosnia’s Secession Crisis Can Be an Opportunity for Progress

The ouster of Bosnian Serb leader Milorad Dodik, with constitutional reform, would finally put Bosnia on a path to stability and the EU.
Hand arranged wooden cube blocks with leaves. Climate-change related green icons. (Getty Images)

Don’t Succumb to Climate Fatalism

Climate policy is taking a hit, but succumbing to this backsliding is not the answer. Instead, there are real security, economic, and political benefits to hitting back.
a ukrainian passport with a sticky note that reads "don't touch ukrainian people"

Targeting a Nation: Russian Airstrikes and the Crime of Persecution in Ukraine

Legal analysis shows how Russia’s actions meet the threshold for the crime of persecution under international law.
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