Climate Change

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Colombia's president-elect Abelardo de la Espriella, vice president-elect Jose Manuel Restrepo, and National Electoral Council members stand with hands over hearts during the national anthem at a certification ceremony in Bogotá, with a screen showing archival footage behind them.

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.
Turkey's Minister of Environment, Urbanization and Climate Change Murat Kurum (C) speaks next to United Nations Climate Change Executive Secretary Simon Stiell (L) and COP30 President Andre Correa do Lago (R) during a conference in Istanbul on February 12, 2026, ahead of United Nations's COP31 climate conference in November.

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.
Humpback whales as seen from above swimming in blue water

Going Dark: Why Dismantling America’s Ocean Sensors Is a Security Risk

Shutting off ocean observation will reduce the United States' ability to see and respond to developments in fast-changing seas.
An aerial view of a 49.5 megawatt three-level data center under construction on April 14, 2026 in Vernon, California.

Combatting AI Coercion and the Unexpected Climate Dividend

Globally, AI infrastructure is consolidating faster than governments are moving. Governments need to build resilience through diplomatic initiatives and AI partnerships.
A close-up of arms raised and linked, hands clasped, a few donning bracelets or small tattoos, on activists wearing colorful clothing.

Protecting Environmental Rights Defenders Is Key to Giving Communities a Voice

Environmental human rights defenders must be empowered to design and implement their own forms of collective protection to shift the power imbalance.
Futuristic atomic particle core

Nuclear-Powered AI: The Risks of De-Regulation

The Trump administration's fast-tracking of AI development & nuclear deployment is redefining the relationship between innovation, public risk, and accountability.
A female worker walks past servers in a data center.

AI is the New Plastics. Can We Govern it Better?

Like plastic, AI is permeating every corner of life. But there is still time to manage AI better than we did with synthetics.
A protestor holds a sign outside the Ronald Reagan Building in Washington D.C. that reads “Wreck USAID = Hurt U.S. + Help U.S. Enemies”

“America Alone” Runs Counter to U.S. Public’s Preferences for Robust Global Engagement

The Trump administration's withdrawal from dozens of international structures contradicts polls showing Americans broadly support multilateralism, alliances, and human rights.
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.
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.
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.
The U.S. Capitol Building against a sunset

Nine Stories That Deserved More Attention in 2025 – and Might Shape 2026

What stories or topics merited more attention in 2025, and which might inform law and policy conversations in 2026?
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