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Supreme Court Agrees to Hear Fossil Fuel Companies’ Appeal in Boulder Climate Case but Asks for Briefing on Threshold Jurisdiction Questions

Yesterday the U.S. Supreme Court granted three fossil fuel companies’ petition for a writ of certiorari seeking review of the Colorado Supreme Court’s opinion allowing the County Commissioners of Boulder County and the City of Boulder (together, Boulder) to proceed with their state-law claims that the companies are liable for […]

Canadian Senate Report Recommends Canada Lead on Marine Carbon Dioxide Removal Strategy

The Trump Administration’s increasing commitment to scientific nonsense regarding climate change creates an opportunity for other countries to lead. The Canadian Senate is recommending that Canada do just that with respect to marine carbon dioxide removal (mCDR). Canada is in a unique position to lead on mCDR development. Dalhousie University […]

Responding to EPA’s Claim that U.S. Motor Vehicle Emissions Have a “De Minimis” Impact on Climate-Related Harms

  On February 12, 2026, the U.S. Environmental Protection Agency (EPA) issued a final rule rescinding the 2009 Greenhouse Gas Endangerment Finding and eliminating all federal greenhouse gas (GHG) emission standards for U.S. motor vehicles and engines. To justify this action, EPA has adopted an  interpretation of the Clean Air […]

Data Center Litigation – An Emerging Frontier for Climate Litigation?

The explosive growth of artificial intelligence (AI), cloud computing, and digital services has brought renewed attention to the physical infrastructure underpinning the digital economy: data centers. While critical to the operations of major tech companies, data centers are now among the most energy-intensive forms of industrial infrastructure. Although it is […]

The ECtHR’s Climate Jurisprudence in 2025: Grappling with Fossil Fuels, Rejecting Extraterritorial Jurisdiction, and Still no Victim Status

A Year of Climate Rulings Handing down no less than five climate rulings in 2025, the European Court of Human Rights (“the ECtHR”) has been busy deciding the backlog of cases it had adjourned in 2023, while it dealt with three other climate cases pending before the Grand Chamber at […]

Sabin Center Submits Amicus Brief to the African Court on Human and Peoples’ Rights

  On Monday, February 9, 2026, the Sabin Center submitted an amicus curiae brief to the African Court on Human and Peoples’ Rights (African Court) in the matter of the Request for an Advisory Opinion on the Obligations of States with Respect to the Climate Change Crisis. The brief explains […]

Call for Presentations: Second Conference on Attribution Science and Climate Law

The Sabin Center for Climate Change Law and the Columbia Climate School are pleased to invite submissions for the Second Conference on Attribution Science and Climate Law, to be held at Columbia University in New York City on June 10–11, 2026. This interdisciplinary conference will bring together researchers, scholars, and […]

Sabin Center and Local Government Partners File Comment Letter in Light-Duty CAFE Standards Rulemaking

On December 5, 2025, the National Highway Traffic Safety Administration (NHTSA) published a proposed rule to weaken its Corporate Average Fuel Economy (CAFE) Standards for Model Years 2022 to 2031 Passenger Cars and Light Trucks, referred to as the ​​Safer Affordable Fuel-Efficient Vehicles Rule III or SAFE Rule III. The […]