On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) published its long-awaited Advisory Opinion 32/25 (AO-32/25). The Opinion responds to a 2023 request from Colombia and Chile, asking the IACtHR to clarify the scope of States’ obligations to address the climate emergency under international human rights law. While […]
Climate Litigation
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The Inter-American Court of Human Rights’ (IACtHR) advisory opinion on human rights and the climate emergency (AO-32/25) addresses numerous dimensions of the climate crisis, setting an important precedent for the protection of our planet. This post focuses on one particularly significant development: the IACtHR’s recognition of Nature as a subject […]
On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) issued Advisory Opinion AO-32/25, its most wide-ranging and ambitious interpretation of State obligations in the context of the climate emergency to date. The opinion responds to a request submitted by Colombia and Chile, and is notable not only for […]
While there are many aspects of the Inter-American Court of Human Rights (IACtHR)’s Advisory Opinion 32/25 (AO-32/25) that are new and groundbreaking, the inclusion of a reflection on jus cogens might have surprised some observers. This is the first time that an international court has explicitly recognised the jus cogens […]
The right to a healthy environment is at the heart of the landmark Advisory Opinion 32/25 (AO-32/25) on the climate emergency from the Inter-American Court of Human Rights (IACtHR). After a detailed description of scientific evidence about the devastating impacts of the climate crisis, the IACtHR devoted more than thirty […]
Within hours of the publication of the Inter-American Court of Human Rights’ (IACtHR) Advisory Opinion OC-32/25 on the “Climate Emergency and Human Rights” (AO-32/25), the international human rights community erupted with acclaim. Academics and human rights advocates swiftly characterized the opinion as “historic”, a “landmark decision”, with one colleague declaring […]
A Historic Advisory Opinion On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) issued Advisory Opinion No. 32—the most important and progressive document yet released by an international court on the climate crisis. In this landmark ruling (still only available in Spanish, with official English and Portuguese translations […]
On May 29, 2025, the U.S. Supreme Court issued a decision in Seven County Infrastructure Coalition v. Eagle County (No. 23-975) in which it perhaps clarified, perhaps modified, or perhaps announced entirely new standards for judicial review of agency obligations under the National Environmental Policy Act (NEPA). Justice Kavanaugh […]