Climate Litigation News and Case Updates | September 14-18, 2026

This page tracks the latest climate litigation news, including key rulings, new filings, and procedural developments from courts around the world. The Climate Court Litigation Tracker covers climate lawsuits, environmental and biodiversity cases, greenwashing claims, and corporate climate accountability litigation.

Updates are organised by the date rulings and/or updates were added to the Litigation Tracker. If you are looking for earlier updates and archived coverage, those are all available in the Resources section.

September 14

No climate litigation updates recorded on this date.

September 15

United States:

• Baltimore Court Dismisses Plastic Pollution Lawsuit Against PepsiCo And Coca-Cola: Corporate Plastic Accountability; Consumer Protection; Fossil-Fuel Plastics Litigation

September 16

France:

• French NGOs Threaten Legal Action Over State Failure To Meet EGalim Targets: Sustainable Public Procurement; Organic Agriculture; Government Inaction

September 17

Argentina:

• Argentine Court Suspends Sea Lion Oil Project Near The Falkland Islands: Offshore Oil; Environmental Impact Assessment; Precautionary Principle

United States:

• Trump Administration Appeals Ruling Protecting California Emissions Waivers: Vehicle Emissions; California Waivers; Congressional Review Act

  
  

• Connecticut Firefighters’ PFAS Lawsuit Against 3M And DuPont Moves Forward: PFAS Pollution; Corporate Accountability; Toxic Exposure

September 18

Germany:

• German Environmental Aid Challenges Vonovia’s Barriers To Balcony Solar: Balcony Solar; Tenants’ Rights; Energy Transition

India:

• Sikkim High Court Launches Climate Justice Case On Disaster Preparedness: Climate Adaptation; Disaster Preparedness; Judicial Oversight

Indonesia:

• West Kalimantan Groups Sue Indonesian Government Over Wildfire Response: Forest Fires; Government Accountability; Indigenous Rights

United States:

• Environmental And Public Health Groups Challenge EPA Repeal Of Power Plant Carbon Standards: Power Plant Emissions; Clean Air Act; Regulatory Rollback

  
  

• Federal Court Vacates EPA Cancellation Of $7 Billion Solar For All Program: Climate Funding; Solar Energy; Administrative Procedure Act

Subscribers can access detailed case analyses, original pleadings, and real-time updates through the Climate Court Litigation Tracker. As climate litigation increasingly influences corporate conduct, regulation, and climate-risk governance, timely legal insight is essential for practitioners, businesses, investors, civil society, and policymakers.