Climate Litigation News Updates | December 29, 2025 – January 2, 2026

The latest climate litigation news and case developments are added on a rolling basis to the Climate Court litigation tracker, giving you continuous access to the most important climate lawsuits, environmental protection disputes, biodiversity cases, and climate-related litigation worldwide. Our global database brings together expert case summaries, primary court documents, judicial decisions, and live updates from national and international courts.

Whether you follow corporate climate accountability claims, challenges to government climate policy, or climate-related human rights litigation, Climate Court helps you stay ahead of the legal developments shaping climate and environmental law.

Below you’ll find this week’s latest climate litigation updates, organised by day to make it easy to track the most recent filings, rulings, and procedural milestones. This page is refreshed daily as new climate cases emerge across jurisdictions. For earlier coverage, you can explore prior weeks on our Resources page.

December 29

Brazil:

• Brazil NGOs and Indigenous Groups Ask Supreme Court to Suspend New Environmental Licensing Laws, Warning of Major Constitutional and Climate Rollbacks: environmental deregulation, indigenous rights, constitutional climate safeguards

December 30

Malaysia:

• RimbaWatch Launches Malaysia’s First Climate Litigation Over Alleged Fossil Fuel Greenwashing: greenwashing enforcement, administrative inaction, climate due diligence

December 31

No updates recorded.

January 1

No updates recorded.

January 2

No updates recorded.

All of this week’s climate litigation updates are available in full in the Climate Court litigation tracker, where subscribers can access in-depth summaries, original court filings, and real-time tracking of climate and environmental lawsuits from around the world.

Monitoring climate litigation is increasingly vital for businesses, legal professionals, NGOs, investors, and policymakers, as court decisions now directly influence corporate sustainability strategies, regulatory compliance, and climate risk management. Staying informed allows companies to anticipate legal exposure, enables lawyers and consultants to guide clients effectively, and helps the wider public follow how climate litigation is driving accountability and environmental justice worldwide.