Diplomacy

On Aug. 28, three European nations triggered snapback of the UN's Iran sanctions. Kelsey Davenport explains its impact, next steps, and why it matters.

The road to a leaner, more efficient U.N. is likely to be bumpy, but as the U.N. turns 80, its future may lie in being able to adapt to shifting global realities.

A European "reassurance force" for Ukraine risks being another notional "guarantee" offering little more than a false sense of security.

Just Security's collection of more than 110 articles covering the Israel-Hamas War and its diplomatic, legal, and humanitarian consequences.

A catalog of articles analyzing the diplomatic, political, legal, security, and humanitarian consequences of the international climate crisis.

Previous administrations sought to reinterpret, evade, or selectively engage with international law. The Trump administration is actively delegitimizing and dismantling it.

The United States and its allies can use the Taiwan model to make post-war Ukraine more secure without writing checks they cannot cash.

The ongoing struggle of Afghanistan’s exiled democratic movement is a vital bulwark against a rising tide of authoritarianism and extremism.

An upcoming UNSC review is a good chance for States to reflect on what is needed in implementing the Council's counterterrorism work.

Getting to any deal between Ukraine & Russia will require the United States & Europe to stand by Ukrainians & stare down Russia's demands.

President Trump must avoid Putin’s traps, ramp up the pressure on Russia, and make clear that the United States will back Ukraine’s security.

These pillars outline requirements to manage armed groups and integrate them into statutory military forces during a war-to-peace transition.