Margaret Young

About/Bio

Margaret Young is Professor and Director of the Institute for International Law and the Humanities (IILAH) at Melbourne Law School. She currently holds an Australian Research Council (ARC) Future Fellowship on ‘The Blue Economy and International Law’. Her recently completed ARC project on ‘The Potential and Limitations of International Adjudication’, which she co-led with Professor Hilary Charlesworth (now Judge on the International Court of Justice), included analysis of the ICJ’s advisory jurisdiction. In 2016 she was Director of Studies at the Hague Academy of International Law. Her prize-winning publications include Trading Fish, Saving Fish: The Interaction between Regimes in International Law (CUP, 2011), Regime Interaction in International Law: Facing Fragmentation (CUP, 2012), and The Impact of Climate Change Mitigation on Indigenous and Forest Communities (CUP, 2017). She began her academic career at the University of Cambridge, where she was the inaugural Research Fellow in Public International Law at Pembroke College and the Lauterpacht Centre for International Law. She was involved in the ICJ climate proceedings on behalf of the International Union for Conservation of Nature (IUCN).

Recently Published

The ICJ Advisory Opinion on Climate Change: What It Means for the Convention on Biological Diversity

This week’s General Assembly’s resolution welcoming the International Court of Justice’s Advisory Opinion on Obligations of States in Respect of Climate Change provides significant guidance. It calls upon all States to ‘comply with their respective obligations under international law to ensure the protection of the climate system and other parts of the environment from anthropogenic greenhouse…

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EJIL: The Podcast! Episode 37: The ICJ’s Advisory Opinion on Climate Obligations: Remarkable, Radical and Robust

There were gasps in the courtroom when the ICJ delivered its advisory opinion on the obligations of States in respect of climate change on 23 July 2025. In this episode, Margaret Young (Melbourne Law School), Phoebe Okowa (Queen Mary University of London, member of the International Law Commission) and Lavanya Rajamani (Oxford) explore how, with its robust…

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Global Pact for the Environment: Defragging international law?

A ‘defrag’ computer program that consolidates fragmented files on a hard drive holds metaphorical attraction for international lawyers. Our encounters with international law often seem to be specific to particular legal regimes, which have a functional orientation and professional sensibility that, in the words of the International Law Commission, may be self-contained. International environmental law and human…

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