Climate Change
184 Articles

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.

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…

Key Takeaways from Suncor v. Boulder Oral Argument: Jurisdiction, Preemption, and the Proper Role of State Tort Law in Addressing Climate Change
What we learned from oral arguments in the most important climate liability case to reach the U.S. Supreme Court in more than a decade.

Just Security’s Climate Archive
A catalog of articles analyzing the diplomatic, political, legal, security, and humanitarian consequences of the international climate crisis.

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.
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.

Suncor v. Boulder: Why the Constitution and the Clean Air Act Leave Deception-Based Climate Claims Standing
Analysis of what the outcome of Suncor v. Boulder will mean for climate cases that rely on deception claims as the basis for fossil fuel company liability.

As Leaders Gather at the U.N. General Assembly, Competition May Outdo Cooperation
The challenges facing the U.N. include recurrent financial shortfalls and political irrelevance to some of the world's major crises.

Don’t Let Syria’s Recovery Become Collateral Damage in the Iran-U.S. War
The global energy crisis and other spillover effects from the war in Iran are jeopardizing Syria's economic recovery.

Challenging Toxic Air Exemptions – and a Pattern of Executive Overreach on Regulatory Rollbacks
Together, the Trump administration’s vision of the Clean Air Act’s exemption authority and shutting courts out from review is one of completely unchecked presidential power.

After Colombia’s Presidential Election, What Next on Climate and Human Rights?
Although too early to tell whether campaign promises will translate into policy, de la Espriella’s platform on climate and human rights marks a departure from the Petro administration.

W(h)ither Climate “Multilateralism”?
A former lead climate lawyer for the U.S. State Department offers her perspective on the future of multilateral initiatives to combat climate change.