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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3,002 Articles
A towering justice gavel stands prominently at the center, illuminated by a dramatic blend of blue and purple lighting. Scattered across the scene are monochrome silhouettes of legal professionals (via Getty Images)

Responding to the Trump Administration’s Cuts to International Judicial Work

Foreign aid cuts have halted most international judicial training. What future paths remain for U.S. judges seeking global engagement?
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.
Miners work along unstable slopes of a ridge

Getting Critical Minerals Certification and Due Diligence Right In the DRC-Rwanda Accord and Beyond (With a Lesson from a Punk Band?)

A concentration on decision-making, investment, and accountability will lead to a more impactful DRC-Rwanda minerals agreement and improve others as well.
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?
Iranians gather while blocking a street during a protest in Tehran, Iran on January 9, 2026. The nationwide protests started in Tehran's Grand Bazaar against the failing economic policies in late December, which spread to universities and other cities, and included economic slogans, to political and anti-government ones. (Photo by MAHSA / Middle East Images / AFP via Getty Images)

Military Force Will Not Help the People of Iran

This is an Iranian uprising, and it is up to the people of Iran to decide their own future.
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.
A man hangs wet socks in the colors of the Colombian flag as a symbolic act to commemorate National Human Rights Day in Bogotá on September 9, 2025. (Photo by RAUL ARBOLEDA/AFP via Getty Images)

Who Will Stand Up for Human Rights in 2026 – and How?

The deterioration in human rights in 2025 heightens the risks for defenders going forward, all worsened by donors' deep funding cuts, especially those of the United States.
View of smokestacks

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.
The image shows multiple buildings, most of them non-residential, in white and red around a snowy hillside, with what appear to be cell phone and perhaps other types of steel towers and a radar atop the hill in the background.

Trump Is Right About Greenland — Wrong About How to Secure It

The challenge is not recognition of Greenland’s importance; it is ensuring that security enhancements are strategic, sustainable, and allied-driven.
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.
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