Methane Removal Under the Paris Agreement: A New Sabin Center White Paper

In the 2015 Paris Agreement, the international community agreed to “strengthen the global response to climate change” by limiting the “increase in global average temperatures to well below 2oC above pre-industrial levels,” and ideally to 1.5oC. As recognized in the Agreement, to stay within these limits, global greenhouse gas emissions […]

Protecting Rights in the Anthropocene: How the Inter‑American Court’s Right to a Healthy Climate Pushes the Boundaries of Human Rights Law

On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) issued its long-awaited Advisory Opinion No. 32 (AO-32/25) on the “Climate Emergency and Human Rights” (the official English translation can be found here; for an overview of the decision’s key elements, see here). A broad group of States, communities, […]

The Transmission, Distribution, and Interconnection Crises Blocking New York’s Climate Goals

At a July 10, 2025 meeting, Commissioner Judy Chang of the Federal Energy Regulatory Commission (FERC) argued that the United States needs to rapidly build more transmission capacity to bring new sources of electricity online. She explained that “transmission is the network that needs to support both generation and load, […]

Addressing Accountability in the IACtHR’s Advisory Opinion: The Question of Reparation and Loss and Damage 

On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) delivered a historic advisory opinion regarding States’ obligations in relation to the climate crisis (AO-32/25). The IACtHR was particularly articulate in qualifying States’ obligations under the right to a healthy environment as having a jus cogens nature (paras. 287ff), […]

Reproductive Rights and the Climate Crisis: The Omission of the Inter-American Court in AO-32/25

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 […]

The Bloom of Nature’s Rights: On the IACtHR’s Recognition of Nature’s Legal Personality in AO-32/25

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 […]

A Nod, Not a Leap: Gender and Climate in the IACtHR’s AO-32/25

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 […]

Jus Cogens and the Climate Crisis: The IACtHR’s Landmark Climate Emergency Advisory Opinion and its Jus Cogens Verdict

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 […]