Climate Litigation News and Case Updates | February 2–6, 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 2

Brazil:

• Brazilian Prosecutors Seek R$1 Billion Asset Freeze and Halt Vale Operations After Mine Spill: mine spill, environmental enforcement, asset freeze

United States:

• Democratic States Expand Lawsuit Challenging Trump Energy Emergency: NEPA compliance, fossil fuel permitting, state attorneys general

February 3

Europe:

• ECHR Upholds Türkiye Courts’ Standing Rules in Hydropower EIA Challenge: access to justice, environmental impact assessment, locus standi

New Zealand:

• New Zealand High Court Affirms Minister’s Duty to Take Whatever Measures Are Necessary to Save Hoiho: endangered species protection, fisheries management, biodiversity conservation

United States:

• Lawsuit Challenges Approval of New Ritz-Carlton Resort on Oʻahu’s North Shore: coastal development, environmental review, Indigenous and community impacts

February 4

Europe:

• NGOs Challenge EU Approval of Barroso Lithium Mine as ‘Strategic Project’: mining, EU law, environmental assessment

United States:

• Conservation Groups Sue to Block Northern Corridor Highway Through Utah’s Red Cliffs Conservation Area: biodiversity, infrastructure, habitat protection

February 5

Sweden:

• Youth Announce New Climate Lawsuit Against Swedish Government: youth climate rights, state obligations, mitigation policy

United States:

• Lawsuit Challenges Fourth Permit Extension for Formosa Plastics Facility in Louisiana: air pollution, environmental justice, industrial permitting

  
  

• Federal Court Strikes Down Texas ‘Anti-ESG’ Law as Unconstitutional: constitutional law, ESG regulation, financial governance

February 6

United States:

• Environmental Groups Demand Rulemaking on Economy-Wide GHG Limits in Pennsylvania: rulemaking petition, economy-wide emissions caps, state climate regulation

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.