Climate Litigation News and Case Updates | May 11-15, 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.

May 25

Argentina:

• Argentine Supreme Court Dismisses Vaca Muerta Environmental Claim: fossil fuel expansion, environmental litigation, Argentina

Australia:

• UN Special Rapporteur Joins Landmark Australian Climate Case: human rights, climate accountability, Australia

May 26

United States:

• Luxury Yacht Companies Plead Guilty Over Illegal Burmese Teak Imports: illegal timber trade, Lacey Act, corporate environmental compliance

May 27

France:

• NGOs Report TotalEnergies to French Markets Regulator Over Alleged Climate Misrepresentations: Climate disclosure, greenwashing, corporate accountability

  
  

Sri Lanka:

• Sri Lanka Supreme Court Orders Forest Restoration to Protect Elephant Habitat: Biodiversity protection, ecosystem restoration, environmental rights

United States:

• Four States Sue Proxy Advisory Firm Over ESG and Corporate Governance Recommendations: ESG litigation, corporate governance, shareholder voting

May 28

Australia:

• Australian Environmental Group Challenges Approval of Major Savanna Clearing Project: Land clearing, biodiversity protection, environmental permitting

  
  

• Australia Sues 3M Over PFAS Contamination at Defence Bases: PFAS contamination, toxic pollution, environmental remediation

France:

• French Court Refuses to Open Criminal Investigation Into TotalEnergies Climate Complaint: Corporate accountability, climate liability, climate misinformation

  
  

United States:

• Environmental Group Sues Florida Over Air Pollution From “Alligator Alcatraz” Detention Facility: Air pollution, environmental permitting, public health

  
  

• Groups Threaten Lawsuit Over Florida Coral Reef Dredging Project: Marine ecosystems, environmental permitting, biodiversity protection

  
  

• Groups Threaten Lawsuit Over Microplastic Pollution in Charleston Harbor: Plastic pollution, water pollution, corporate accountability

  
  

• New York Appeals Court Orders Climate Review of Crypto-Powered Gas Plant Sale: Environmental review, greenhouse gas emissions, energy infrastructure

May 29

Climate litigation updates to be added here soon.