Climate Litigation News and Case Updates | September 28 - October 2, 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 28

Germany:

• German Environmental Aid Challenges Building Modernization Law in Constitutional Court: Constitutional Climate Litigation; Building Emissions; Fossil Fuel Heating

United States:

• Farm and Solar Groups Challenge USDA Restrictions on Rural Solar Funding: Renewable Energy Funding; Solar Energy; Administrative Law

September 29

European Union:

• Both ENDS Challenges New Zealand’s Climate Rollbacks Under EU Trade Agreement: Climate Policy Rollbacks; Trade Agreement Enforcement; Paris Agreement

United States:

• Groups Challenge California’s Biogas Incentives In Climate Program Lawsuit: Climate Regulation; Biogas Incentives; Environmental Justice

  
  

• Wholesalers Appeal Ruling Upholding Oregon’s Packaging Recycling Law: Extended Producer Responsibility; Dormant Commerce Clause; Due Process

September 30

European Union:

• EU Court Partially Upholds Challenge to Sustainable Shipping Criteria: EU Taxonomy; Sustainable Finance; Methane Emissions

United Kingdom:

• Iraqi Residents Notify BP Of Intended Claims Over Rumaila Gas Flaring: Gas Flaring; Corporate Accountability; Health Impacts

United States:

• Consumer Class Action Challenges Mama Bear Salmon’s Sustainability Claims: Greenwashing; Salmon Aquaculture; Consumer Protection

• Alaska Tribe And Conservation Groups Seek To Halt Tongass Old-Growth Timber Sale: Old-Growth Logging; Indigenous Subsistence; Preliminary Injunction

• Conservation Groups Challenge NOAA’s Advancement Of Deep-Sea Mining Application: Deep-Sea Mining; Public Participation; Marine Biodiversity

• Court Dismisses Plastic Recycling Deception Lawsuit Against Exxon And Other Producers: Plastic Recycling; Greenwashing; Standing

October 1

United States:

• U.S. States Challenge Corteva Spinoff Over PFAS Liability Concerns: PFAS Contamination; Corporate Accountability; Fraudulent Transfers

  
  

• Conservation Groups Challenge Narrowing Of Endangered Wildlife Protections: Biodiversity Protection; Habitat Destruction; Environmental Deregulation

October 2

Climate litigation updates will be added here soon.

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.