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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.
(L-R) A general view of the capital Nuuk, Greenland, on March 4, 2025. US President Donald Trump has strained relations with Denmark by repeatedly signalling that he wants control over Greenland, an autonomous Danish territory. (Photo by ODD ANDERSEN/AFP via Getty Images); U.S. Secretary of State Marco Rubio listens as U.S. President Donald Trump addresses the media during a news conference at his Mar-a-Lago club on January 3, 2026, in Palm Beach, Florida. During the remarks, Trump confirmed that the U.S. military had carried out a large-scale strike in Caracas overnight, resulting in the capture of Venezuelan leader Nicolas Maduro and his wife, Cilia Flores.(Photo by Joe Raedle/Getty Images); A general view of the capital Nuuk, Greenland, on March 4, 2025. US President Donald Trump has strained relations with Denmark by repeatedly signalling that he wants control over Greenland, an autonomous Danish territory. (Photo by ODD ANDERSEN/AFP via Getty Images)

Collection: U.S., Greenland, and NATO

Experts examine legal, political, and security dimensions of U.S. policy on Greenland, including U.S.-NATO relations, congressional oversight, and geopolitical implications.  
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.
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.
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.
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.
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 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.
French President Jacques Chirac at the left of the image is applauding as he smiles at Russian President Vladimir Putin in the center of the image and US President George W. Bush, who is laughing as Putin seems to smile and gape at the display.

A NATO Promise Not to Enlarge? No, Not Even According to Putin 1.0

Russian President Vladimir Putin’s claim that the West promised not to expand NATO is a myth—denied by Gorbachev, ignored by Yeltsin, and invented years into Putin’s rule.
The Agent of The Gambia, Abubacarr Marie Tambadou, Minister of Justice and Attorney General of the Gambia, speaks on the first day of the December 2019 hearings before the International Court of Justice. Seated at the front is the Agent of Myanmar, Aung San Suu Kyi, Union Minister for Foreign Affairs of the Republic of the Union of Myanmar.

When Crises Become Courtrooms: How Africa’s Engagement with the ICJ Is Rewriting the Playbook of International Law

Litigants from Africa and the African diaspora are doing more than “using” courts during emergencies. They are actively shaping doctrine.
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