Climate Litigation News and Case Updates | August 31 - September 4, 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.

August 31

United States:

• Conservation Groups Sue Over Washington Old-Growth Logging Project: Old-growth logging, endangered species, forest management

  
  

• Lawsuit Challenges Los Angeles Hydrogen-Methane Power Plant: Hydrogen power, CEQA, fossil fuel lock-in

  
  

• Federal Court Strikes Down New York’s $75 Billion Climate Superfund Law: Climate superfund, federal preemption, fossil-fuel liability

September 1

United States:

• Fifth Circuit Upholds Sea Turtle Protections Against Shrimp Industry Challenge: Biodiversity protection, marine conservation, fisheries regulation

September 2

Climate litigation to be added here soon.

September 3

Climate litigation to be added here soon.

September 4

Climate litigation to 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.