Climate Litigation News and Case Updates | June 1-5, 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.

June 1

No updates recorded this day.

June 2

Chile:

• Chilean Court Partially Annuls Collahuasi Mine Expansion Approval Over Indigenous Consultation Concerns: Indigenous rights, environmental assessment, mining project approval

Italy:

• Groups Appeal Milan Court Dismissal of Nigerian Flooding Lawsuit Against Eni: Transnational corporate accountability, environmental remediation, climate adaptation

United States:

• Seven States Sue Trump Administration Over $928 Million Offshore Wind Cancellation Deal: Renewable energy, administrative law, offshore wind

  
  

• Ninth Circuit Dismisses Youth Climate Challenge to Trump Fossil Fuel Executive Orders: Constitutional climate litigation, youth plaintiffs, fossil fuel expansion

June 3

No updates recorded this day.

June 4

Europe:

• European Commission Refers Spain and Poland to EU Court Over ETS Implementation Failures: Emissions trading system, climate governance, regulatory enforcement

Japan/UK:

• NGOs File OECD Complaint Over Mozambique LNG Project: Fossil fuel expansion, human rights due diligence, corporate accountability

June 5

Climate litigation updates to be added here soon.

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.