Author profile: Margaretha Wewerinke-Singh

Margaretha Wewerinke‑Singh is Associate Professor of Sustainability Law at the University of Amsterdam and a practising international lawyer. She served as Lead Counsel for Vanuatu in the advisory opinion proceedings before the ICJ, the Inter‑American Court of Human Rights and the International Tribunal for the Law of the Sea.

Climate Justice after the ICJ: Authority, Diffusion, and State Responsibility

Margaretha Wewerinke-Singh • Sep 7 2025 • Articles

The International Court of Justice’s advisory opinion recognizes that inadequate climate action is not just bad policy – it may breach international law.

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