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This guide, published by the Center for International Environmental Law (CIEL) in February 2026, provides structured 'Litigation Notes' to help lawyers integrate the findings of the International Court of Justice's (ICJ) July 23, 2025, Advisory Opinion (AO) on State obligations regarding climate change into current and future legal cases. The document breaks down the ICJ's conclusions into thematic areas, including government framework litigation, adaptation, remedies and reparations, the right to a healthy environment, corporate conduct, climate finance, speculative interventions, and regulatory backsliding. It aims to translate the ICJ's normative clarity into practical tools for promoting climate justice across national, regional, and international courts.

An open letter signed by 252 legal experts, academics, and professionals addressed to the participants of the First Conference for the Transition Beyond Fossil Fuels in Santa Marta, Colombia. The document asserts that states have binding international legal obligations to phase out fossil fuels to prevent significant climate damage and protect human rights.