Climate Litigation News and Case Updates | February 16–20, 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.

February 16

New Zealand:

• Environmental Law Initiative Appeals High Court Barrier to Judicial Review of Nitrate Pollution Rule: judicial review, nitrate pollution, environmental governance

United Kingdom:

• River Action Challenges Poultry Farm Permits Over Manure Pollution: agricultural pollution, environmental permitting, water quality

  
  

February 17

France:

• TotalEnergies Climate Case Heads to Court in Landmark French Trial: corporate climate accountability, climate duty of vigilance, fossil fuel litigation

United States:

• Conservation Groups Sue Over Western Arctic Oil and Gas Lease Sale: Arctic oil leasing, public lands, NEPA challenge

  
  

• Lawsuit Challenges Trump Administration Over Removal of History and Climate Content in National Parks: climate information, administrative law, public lands policy

  
  

• Federal Court Imposes $100M Penalty in Detroit Clean Air Case: Clean Air Act enforcement, air pollution penalties, environmental compliance

February 18

Finland:

• Finnish Climate Groups Appeal Government Climate Plan to Supreme Administrative Court: climate policy, carbon neutrality, Climate Act

United States:

• Lawsuit Targets Rollback of U.S. Climate Science Finding and Vehicle Emissions Rules: Clean Air Act, vehicle emissions, endangerment finding

• Texas Sues Dow Over “Habitual” Pollution at Seadrift Chemical Complex: industrial pollution, enforcement, environmental compliance

• Multistate Lawsuit Challenges Federal Rollback of Clean Energy Funding: federal funding, energy transition, administrative law

• Environmental Groups Sue DOE Over Approval of CP2 LNG Export Terminal: LNG exports, environmental review, fossil fuels

• Coalition Sues EPA Over Repeal of Landmark Climate Protections: greenhouse gases, regulatory rollback, public health

  
  

February 19

United States:

• Medford Residents Sue to Block “Values-Aligned Local Investments Ordinance” as Unlawful and Preempted: municipal divestment, human rights, fiduciary duties

February 20

Australia:

• Australian Federal Court Dismisses Greenwashing Case Against Santos: greenwashing, corporate disclosures, net-zero claims

United States:

• Youth Petition Challenges EPA Rollback of Landmark Climate Protections: EPA, emissions, endangerment finding

• Bad River Band Seeks Judicial Review to Block Line 5 Pipeline Reroute: tribal rights, oil pipeline, wetlands

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.