United Nations (UN)

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Belarusian President Alexander Lukashenko (L) shakes hands with Russian President Vladimir Putin (R) during the Great Heritage - Common Future Forum, a Russian-Belarusian meeting, dedicated to the anniversary of the Battle of Stalingrad on April 29, 2025 in Volgograd, Russia. Vladimir Putin and Alexander Lukashenko are having a joint visit to Volgograd, former Stalingrad, marking the 80th anniversary of the end of World War II. (Photo by Contributor/Getty Images)

Memorandum for Prosecution of the Crime of Aggression Committed Against Ukraine

James Goldston and Esti Tambay present their organization's work, a Memorandum supporting efforts to hold officials accountable for the crime of aggression against Ukraine.
A crowd swirls around a blaze set in front of a blue-green solid metal gate inscribed with the name of the U.N. peacekeeping mission, MONUSCO. A few palm fronds are seen in the foreground, and stone walls flank the gate in the background.

The United Nations and a World in Pain

The U.N.’s survival depends on how it positions itself between the elephant and the mouse, in South America and the Caribbean, Asia, Africa, and beyond.

The ICJ’s Advisory Opinion on Israel’s Obligations Towards UNRWA and Other International Organizations in the Occupied Territories: Key Issues

Unpacking the International Court of Justice's advisory opinion on Israel's obligations towards the UN and others to provide humanitarian aid in the West Bank and Gaza.
Anglo-French troops land at Port Fouad, near Port Said on November 05, 1956 during the Suez Crisis. An Anglo-French intervention has been launched after Egypt's President Nasser nationalized Suez Canal on July 26, 1956. End of December diplomatic action by the USA and the USSR forced Britain and France to withdraw and Israel to relinquish Sinaï which they invaded in October. (Photo by Guy Touchard / AFP) (Photo by GUY TOUCHARD/AFP via Getty Images)

Crisis as Catalyst: The Past, Present, and Future of International Law

To see crisis as catalyst is to reject fatalism and to believe that law can be both a shield and a compass in turbulent times. #ILW2025 aims to honor that belief.
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.
Visualization of data flows

Governing AI Agents Globally: The Role of International Law, Norms and Accountability Mechanisms

Stakeholders must creatively leverage existing legal and normative tools to ensure AI agents serve humanity — not destabilize it.
International Law Weekend 2025 Logo (via ABILA)

Crisis as Catalyst in International Law

On its 80th anniversary, the U.N. is undertaking much-needed reform. Despite pressures, it continues to be one of the world’s most important and impactful institutions. 
Brazilian indigenous people and others take part in a demonstration called by Stop Ecocide International (SEI) for the recognition of ecocide as an international crime, on October 20, 2022 outside the European Council in Brussels where EU leaders were gathered for a summit. (Photo by KENZO TRIBOUILLARD/AFP via Getty Images)

Attacks on Nature, Atrocities Against People: The Case for Environmental Harm as a 12th Crime Against Humanity

Addressing the global environmental crisis requires urgent action, and this new treaty offers States an unprecedented opportunity to confront it directly and decisively.
In this pool photograph distributed by the Russian state agency Sputnik, Russia's President Vladimir Putin chairs a Security Council meeting via a videoconference at the Kremlin in Moscow on July 25, 2025. (Photo by SERGEI ILYIN/POOL/AFP via Getty Images)

Russian Motivations Behind the “Hanoi Convention” Against Cybercrime

Russia’s cybercrime stance reflects a broader push to assert state control over the internet, restrict dissent, and build global backing for its governance model.
U.S. President Donald Trump speaks during the United Nations General Assembly (UNGA)

Trump Signals Instrumental Approach to U.N. – But it Could Be Worse

Trump's General Assembly speech could have been worse, but it also showed that if countries want to make the U.N. system work, they can't bank on U.S. leadership.
First Deputy Permanent Representative of Russia to the UN Dmitry Polyansky (R) speaks at a Security Council meeting on Ukraine at the United Nations in New York on September 23, 2025. (Photo by Kena Betancur / AFP) (Photo by KENA BETANCUR/AFP via Getty Images)

The United Nations in Hindsight: The Increasing Use of Article 51 of the UN Charter and the Security Council

Reports required under Article 51 are crucial for the UNSC to assess disputed self-defense claims and ensure accountability and maintain peace.

Xi’s Climate Announcement: A Disappointment, Not a Breakthrough

China’s climate announcement — coupled with the U.S. withdrawal — has alarmed many in terms of the viability of the Paris Agreement’s temperature goal. 
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