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Just the Docs: WMO Greenhouse Gas Bulletin Reports Record Atmospheric CO2 Ahead of COP31

Report: WMO Greenhouse Gas Bulletin finds record CO2 concentration in 2025 ahead of COP31.
An image of an orange/yellow sun

U.N. Emissions Gap Report 2026: “The Point of Return” — Seven Questions to Consider Next

The report takes each one-tenth of a degree, and each year above 1.5°C, as meaningful units of change. And with good reason: each means real impacts on humans living in a climate-inflected…
A blurry outline of a pedestrian takes up the right-hand side of the frame in front of black gates with the United Nations logo. Behind the gate stands an abstract blue sculpture with a perfectly round hole towards the top. The United Nations headquarters building appears obscured by the fend in the background.

[R]evolution in the International Legal Order

ABILA International Law Weekend Co-Chairs reckon with the need to strengthen the foundations of international law while adapting it for a new set of actors and issues.
Three armed Ethiopian soldiers in camouflage uniforms, pants tucked into black boots, and wearing red berets, walk in front of sand-colored block walls, with the top of an airport terminal in the background and blue skies with puffy clouds overhead.

Ethiopia’s Fragile Peace Has Broken – But This is Not the 2020-2022 Conflict

Unlike in the previous war, Ethiopia's government faces a coalition of armed groups that could receive backing from rivals in the Horn of Africa and the Gulf.
A wide shot of a UN conference room, where Andrii Melnyk (on screen), Permanent Representative of Ukraine to the U.N., appears, speaking into a microphone on a large screen against a black backdrop with the United Nations logo. Seated conference attendees appear in the foreground.

Hope – and Vigilance – on the Road to a Crimes Against Humanity Treaty

Proponents of a crimes against humanity treaty will need to redouble their efforts to shore up the support necessary to ensure it is strong and effective.
Aerial view of dozens of people milling about in an arid landscape of red earth, a lone tree in the background and a range of mountains in the distance at the back right of the image. There are a few makeshift shelters of scrap wood or covered in white tarps, and what looks like rows of more shelters at the back right. Several people are leaning against stacked white bags of wheat flour in the foreground.

How to Better Enforce the Darfur Arms Embargo

Rather than expand the arms embargo on Darfur, the UN Security Council should take steps that would give the existing embargo teeth.
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 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.

Landmark UN Declaration on Sea-Level Rise Offers Legal Certainty and International Stability

The Declaration represents an international consensus on legal questions including inundated States' continuing statehood and UN membership.
A man walks through a street covered with rubble and collapsed concrete in the Al-Tuffah neighborhood of Gaza City, Gaza Strip.

Under the Gaza Peace Plan, Who Is Responsible for the Treatment of Protected Persons and What Does That Require?

An analysis of the obligations that the Board of Peace and International Stabilization Force must fulfill with respect to the civilian population of Gaza.

The Just Security Podcast: What Happened at the 2026 UN General Assembly?

Daniel Forti and Mariea Sekijima join Viola Gienger to discuss the most important developments from the 2026 UN General Assembly.

Standing Up for International Law

When academics, business and law firm heads, and leaders of international associations like the ABILA defend the rule of law, those ripples can build into a wave of change.
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