On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) delivered its Advisory Opinion OC-32/25 on Climate Emergency and Human Rights (Advisory Opinion), marking a historic legal and political milestone in the global fight for climate justice. It is the first advisory opinion issued by an international court to find that both States and non-State actors, such as business enterprises, have obligations rooted in international human rights law to address the causes and consequences of the climate emergency.

The Court articulates clear and binding obligations to act urgently in protecting the global climate system, preventing human rights violations resulting from its alteration, and securing climate reparations. The Advisory Opinion will guide climate litigation in local, regional, and national courts, and provide a foundation for climate policymaking, grounding local legislation and global negotiations not in voluntary commitments, but in legal duties. It will also serve as a testament to the lived experiences and expertise of those on the frontlines of climate harm and at the forefront of climate justice, affirming the peril that climate change represents for human rights and the promise of human rights-based climate action and remedy.

This Advisory Opinion is not an isolated development but rather part of an unprecedented global movement for climate justice. It stands alongside the recent climate advisory opinions of the International Tribunal for the Law of the Sea (ITLOS) and the International Court of Justice (ICJ), and may be joined by one from the African Court on Human and Peoples’ Rights (AfCHPR) in the near future. Together, these proceedings mark a decisive moment in consolidating a more comprehensive and human rights-based legal framework to confront the climate emergency— what the IACtHR deems an exceptional threat that endangers life on the planet and severely undermines the enjoyment of human rights. Moreover, these advisory opinions may help cut through the political inertia that has long stalled progress in international climate negotiations and national climate policymaking.

This publication compiles fourteen thematic documents developed through the collaborative efforts of a coalition of environmental, human rights, and academic organizations, alongside experts who have actively participated in the advisory proceedings from the outset. The topics reflect the main thematic areas articulated by the Court in the Advisory Opinion and are organized into four sections: (i) Foundational Rights and Knowledge; (ii) State and Corporate Obligations; (iii) The Rights of Affected Peoples and Groups; and (iv) Environmental Democracy and Remedies.

Each brief was prepared by a lead organization and subjected to rigorous peer review to ensure accuracy and consistency. Together, they provide an in-depth analysis of the Advisory Opinion’s key contributions, its legal and practical implications, and the gaps and opportunities this landmark decision presents across the selected thematic areas. They also present arguments, standards, and practical recommendations aimed at strengthening climate litigation and advocacy strategies.

This series serves as a resource for legal and advocacy networks, enhancing understanding of the scope of the Court’s decision and encouraging legal and political action to advance the structural changes necessary for communities and ecosystems to achieve climate justice.

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