Climate Litigation News and Case Updates | March 9-13, 2026

This page provides the latest climate litigation news, tracking key court decisions, new filings, and procedural developments from climate change lawsuits around the world. Updates are added on a rolling basis through the Climate Court Litigation Tracker, which monitors significant climate-related cases across national and international courts, including climate lawsuits, climate-related environmental litigation, biodiversity litigation, greenwashing cases, and corporate climate accountability claims.

Below are the latest climate litigation developments from this week, organised by date to reflect when rulings were issued or cases were filed. This page is updated daily as new climate and environmental cases emerge globally. Earlier updates and archived coverage are available in the Resources section.

March 9

Netherlands:

• Dutch Court Orders New Decision on Proposed Natura 2000 Protection for Borkumse Stenen: Habitats Directive, marine biodiversity protection, Natura 2000 designation

New Zealand:

• Climate Lawyers File Greenwashing Complaint Against Mazda Over Tree-Planting Claims: Greenwashing, carbon offset claims, climate advertising

United States:

• 25 Republican-Led States Move to Intervene in Defense of EPA Endangerment Finding Repeal: Endangerment Finding, greenhouse gas regulation, state intervention

• U.S. Supreme Court to Hear Challenge to Air Force Bomb Detonations on Guam Beach: NEPA litigation, military environmental compliance, hazardous waste disposal

• Environmental Groups Sue New Mexico Over Failure to Enforce Oil Well Cleanup: Abandoned oil wells, methane pollution, fossil fuel liability

March 10

No updates recorded today.

March 11

India:

• Karnataka High Court Halts Activities in Sharavathi Valley Lion-Tailed Macaque Sanctuary Pending Review of Project: Wildlife protection, endangered species habitat, protected areas

  
  

United States:

• Class Action Alleges Mitsubishi Sold Illegal Polluting Marine Engines in Violation of U.S. Environmental Law: Clean Air Act, marine engine emissions, environmental fraud

  
  

• Environmental Groups Drop Lawsuit Challenging ConocoPhillips Survey Work in Alaska Petroleum Reserve: Arctic oil exploration, National Petroleum Reserve–Alaska, tundra protection

  
  

• California Court Orders Long Beach to Halt Oil Storage Tank Expansion Over Flawed Environmental Review: CEQA litigation, fossil fuel infrastructure, toxic air pollution

• Groups Challenge Montana Order Keeping Utility Data Center Agreements Secret: Energy transparency, data center electricity demand, utility regulation

March 12

Argentina:

• Environmental Groups Sue to Halt LNG Megaproject in San Matías Gulf: LNG infrastructure, environmental impact assessment, marine biodiversity

  
  

Netherlands:

• ING Files Defence in Milieudefensie Climate Lawsuit Over Bank Financing: climate finance liability, duty of care, scope 3 emissions

United States:

• Trump Administration Sues California Over Zero-Emission Vehicle Rules: vehicle emissions regulation, federal preemption, electric vehicle mandates

March 13

Brazil:

• Brazil Supreme Court Opens Path to Mining in Indigenous Territory: Indigenous land rights, mining regulation, Amazon conservation

United States:

• U.S. Court Dismisses Lawsuit Over Removal of Federal Climate Data Tools: climate data access, Administrative Procedure Act, government transparency

More detailed summaries, original pleadings, and real-time tracking are available to subscribers through the Climate Court Litigation Tracker. As climate litigation continues to shape corporate behaviour, regulatory enforcement, and climate-risk governance, staying informed about legal developments has become essential for legal practitioners, businesses, investors, civil society organisations, and policymakers worldwide.

Full case analyses, original pleadings, and real-time tracking are available to subscribers through the Climate Court Litigation Tracker. As climate litigation continues to shape corporate behaviour, regulatory enforcement, and climate-risk governance, staying informed about legal developments has become essential for legal practitioners, businesses, investors, civil society organisations, and policymakers worldwide.