Climate Litigation News and Case Updates | April 20-24, 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.

April 20

Germany:

• DUH Sues Bavaria Over Failure to Update Climate Program: State climate law, emissions targets, government inaction

Netherlands:

• Milieudefensie Launches New Climate Lawsuit Against Shell Targeting Fossil Expansion: Corporate liability, duty of care, fossil fuel expansion

United States:

• Environmental Groups Challenge U.S. Clean Water Act Permit for SSEP Pipeline: Clean Water Act, pipeline permitting, wetlands impacts

  
  

• Lawsuit Challenges Approval of BP’s Ultra-Deepwater “Kaskida” Drilling Project: Offshore drilling, environmental review, spill risk

April 21

Australia:

• Papunya Community Sues NT Government Over Extreme Heat in Public Housing: Housing conditions, extreme heat, government liability

  
  

United States:

• U.S. Court Blocks Federal Restrictions on Wind and Solar Permitting: Renewable energy, federal permitting, administrative law

April 22

United States:

• U.S. Supreme Court Keeps Michigan Line 5 Pipeline Case in State Court: Jurisdiction, pipeline litigation, venue timing

April 23

United States:

• Green Groups Challenge EPA’s Delay of U.S. Emissions Reporting Program: Emissions reporting, regulatory rollback, transparency

• U.S. Court Orders BJ’s to Include Shareholder Climate Proposal on Proxy Ballot: Shareholder rights, proxy litigation, deforestation risk

April 24

United States:

• Wisconsin Court Dismisses Youth Climate Lawsuit Challenging State Energy Laws: Constitutional claims, youth plaintiffs, fossil fuel 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.