27 July 2025
International Rulings and the UK–Mauritius Chagos Agreement
On 22 May 2025, following negotiations that began in November 2022 and a joint statement of 3 October 2024 (to learn more, see Sebastian von Massow), the United Kingdom and Mauritius concluded an Agreement, stating that “Mauritius is sovereign over the Chagos Archipelago in its entirety, including Diego Garcia” (Article 1). The Chagos Agreement is not only a diplomatic achievement, but also a “contractual transposition” of the decisions of international courts and tribunals. Continue reading >>
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15 June 2025
“Almost Genocide”
Genocidal intent does not necessarily pop, prefabricated, out of the perpetrator’s state’s head. It emerges – gradually, often unevenly – as a product of action, omission, emotion, and political opportunity. A war that once had legal justification as defence can thus harden into something else: the destruction of a group as such. This is as true in the specific conditions of Gaza, as it is as a matter of principle. Continue reading >>
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06 June 2025
Migrant “Instrumentalisation” before the ICJ
On 19 May, Lithuania introduced proceedings against Belarus before the International Court of Justice for the alleged smuggling of migrants. Lithuania claims that Belarus violated provisions of the Protocol against the Smuggling of Migrants by Land, Sea and Air, which supplements the UN Convention against Transnational Organized Crime. This blog will detail several difficulties with Lithuania’s argument which seeks to collapse key differences between migrant smuggling and the practice of migrant “instrumentalisation”. Continue reading >>
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04 June 2025
Genocide in Gaza?
“Israel is committing genocide in Gaza.” This was the claim raised by South Africa before the International Court of Justice (ICJ) in The Hague just two and a half months after Hamas' large-scale terrorist attack on Israel on October 7, 2023. South Africa alleges that Israel's military counteroffensive is not (primarily) directed against Hamas, but rather aims to destroy the group of Palestinians in Gaza as such. This accusation carries significant political and legal weight. However, proving the necessary intent to destroy is difficult; it should not be accepted lightly. At any rate, as Israel's warfare continues and becomes increasingly brutal, the evidence for genocide is mounting. Continue reading >>11 April 2025
“Those with the Guns Are the Last to Starve”
Five Questions to Tom Dannenbaum Continue reading >>
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14 February 2025
Rethinking Remembrance
Can commemorative practices such as memorials, museums, and national remembrance days effectively transform attitudes and behaviours to deter violence? Despite the proliferation of memorialisation practices globally, their tangible impact on reducing violence or fostering reconciliation and healing is often assumed rather than rigorously demonstrated. Continue reading >>
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30 December 2024
From Objectives to Obligations
On December 13, 2024, the International Court of Justice (ICJ) concluded the hearings of the advisory proceedings on State obligations in respect of Climate Change. On the last day of the hearings, judges posed four questions to participants to be answered within a one-week timeframe. The Judges enquired about State obligations in relation to fossil fuels; the interpretation of Article 4 of the Paris Agreement; the content of the right to a clean, healthy, and sustainable environment; and the significance of declarations made by some States on becoming parties to the UN climate treaties. This blog post will provide a brief exploration of the first two questions and issues raised. Continue reading >>
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07 December 2024
„Das IGH-Gutachten könnte die globale Klimagovernance grundlegend ändern.“
Fünf Fragen an Tejas Rao, Marie-Claire Cordonier Segger and Markus Gehring Continue reading >>
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07 December 2024
“The Advisory Opinion Could Reshape Global Climate Governance.”
Five Questions to Tejas Rao, Marie-Claire Cordonier Segger and Markus Gehring Continue reading >>
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03 December 2024