Cities Climate Law Initiative

54 posts

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 […]

New Sabin Center Report and Online Resource: Navigating State Law in Local Climate Action

Local governments are leaders in the fight against climate change: they reduce community-wide greenhouse gas emissions, promote renewable energy resources, and otherwise advance climate mitigation and adaptation goals. But even as many local governments have already demonstrated their capability to tackle the climate crisis, state governments can hinder those efforts […]

Sabin Center Files Amicus Brief Supporting New York City’s Building Electrification Law in Second Circuit Appeal

Last week, the Sabin Center filed an amicus brief on behalf of the National League of Cities (NLC) and the New York Conference of Mayors (NYCOM) in the case Association of Contracting Plumbers of the City of New York v. City of New York, No. 25-977 (2d Cir. Apr. 21, […]

The Endangerment Finding: The Local Perspective Matters Right Now (Template Comment Letter Linked)

[Here and at the end of this post, a template comment letter is linked for local governments to adapt for their own comments in the Endangerment Finding rule making process.] On August 1, 2025, the U.S. Environmental Protection Agency (EPA) published its proposed repeal of the “Endangerment Finding,” the scientific […]

Sabin Center Files Amicus Brief to Support States and Local Governments in Federal Funding Freeze Case

Last Friday, July 25, the Sabin Center filed an amicus brief on behalf of the U.S. Conference of Mayors (USCM) in support of the Plaintiff States in the case New York v. Trump. The case, brought by twenty-two states and the District of Columbia in the U.S. District Court for […]

The One Big Beautiful Bill Act: Considerations for Cities and Community Partners

Congress broke for summer recess last week, but not before sending the long awaited, hotly debated One Big Beautiful Bill Act (OBBB Act or the Act), or H.R. 1, to President Trump’s desk for a July 4th signing. The budget measure extends tax cuts for the wealthy, slashes Medicaid and […]

The End of Nationwide Injunctions for Federal Funding Award Terminations

On Friday, June 27, the Supreme Court’s term closed and the Court handed down its final opinions, including in a case called Trump v. CASA. The CASA plaintiffs challenged President Trump’s executive order on birthright citizenship, but the Court’s decision – which made no substantive holdings about citizenship or immigration […]

Atlanta’s New Ordinance Raises the Bar on Cool Roofs

Earlier this month, on June 2, 2025, Atlanta’s City Council unanimously passed a state-of-the-art ordinance to require cool roofs throughout the whole city, immediately propelling Atlanta to the forefront of local climate adaptation measures. The new requirements will help make Atlanta cooler, improve its air quality, and lower residents’ energy […]