Ongoing court cases and litigation

State attorneys general play a vital role in bringing litigation that defends the rule of law, protects the rights of residents, and upholds state and federal statutes.  

This page tracks ongoing lawsuits and legal actions led or joined by state AGs against the Trump administration — on topics ranging from civil rights and consumer protection to environmental justice and challenges to federal overreach. Here you’ll find case summaries, court filings, and the latest developments in high-impact litigation that reflect the evolving responsibilities of state attorneys general in today’s legal and political environment. 

Click here to see a full view of the litigation led by Progressive State AGs:

State Attorney General Federal Litigation Tracker

Selected Filters:

    • Mar 3, 2026
    • Environment/Climate
    • Executive Power

    Washington v. Department of Energy

    Washington AG sues the Department of Energy, alleging the federal agency violated the Freedom of Information Act (FOIA) by unlawfully withholding records related to that order to reopen TransAlta’s decommissioned coal power plant in Centralia. Additionally, the AG asked the Ninth Circuit Court of Appeals to reject an illegal attempt by the U.S. Department of Energy (DOE) to command the reopening.
    Read Lawsuit
    • Jan 23, 2026
    • Environment/Climate

    California v. Pipelines and Hazardous Materials Safety Administration

    California AG files a Petition for Review of a Pipelines and Hazardous Materials Safety Administration federalization order that reopened oil pipelines off the coast without completed repairs and in violation of federal procedures and prior legal agreements.
    Read Lawsuit
    • Jan 9, 2026
    • Environment/Climate
    • Funding Freeze
    • Executive Power

    New York v. Burgum (1)

    New York AG sues the Trump administration for the unlawful suspension of the Empire Wind energy project.
    Read Lawsuit
    • Jan 9, 2026
    • Environment/Climate
    • Funding Freeze
    • Executive Power

    New York v. Burgum (2)

    New York AG sues the Trump administration for the unlawful suspension of the Sunrise Wind energy project.
    Read Lawsuit
    • Dec 16, 2025
    • Environment/Climate
    • Funding Freeze

    California v. Department of Transportation

    AGs sue the Department of Transportation for the indefinite suspension of $1.8 billion in electric vehicle charging infrastructure.
    Read Lawsuit
    • Dec 11, 2025
    • Environment/Climate
    • Executive Power

    Rhode Island v. Department of the Interior

    AGs file suit against the Department of the Interior over the sudden and unlawful cancellation of the "Revolution Wind" offshore wind project, despite it being nearly complete and on-schedule to launch in 2026 to provide energy for as many as 350,000 Rhode Island and Connecticut households.
    Read Lawsuit
    • Oct 16, 2025
    • Environment/Climate
    • Executive Power
    • Funding Freeze

    Arizona v. EPA

    AGs sue the Environmental Protection Agency over the unilateral and illegal termination of the "Solar for All" program designed to bring low-cost solar energy to over 900,000 households in low-income and disadvantaged communities.
    Read Lawsuit
    • Oct 16, 2025
    • Environment/Climate
    • Funding Freeze
    • Executive Power

    Maryland Clean Energy Center v. United States

    AGs sue the Trump administration in the Court of Federal claims for the illegal termination of competitive grants under the "Solar for All" zero-emissions technologies program.
    Read Lawsuit
    • Aug 15, 2025
    • Funding Freeze
    • Executive Power
    • Environment/Climate

    New York v. Department of Energy

    AGs sue the Department of Energy over a new policy that arbitrarily limits federal funding to state energy agencies that operate programs like weatherization and energy assistance programs by capping the sum of indirect costs and fringe benefits to 10% of the award amounts.
    Read Lawsuit
    • Aug 8, 2025
    • Funding Freeze
    • Environment/Climate
    • DEI/Civil Rights

    Washington v. Department of Commerce

    AG sues to challenge the termination of more than $9 million in equity-focused climate resilience grants in violation of the law requiring the administration to provide the specific basis for the termination.
    Read Lawsuit