04 April 2025
The Status of the Right to a Clean, Healthy and Sustainable Environment Under Customary International Law
The recognition of a right to a clean, healthy, and sustainable environment remains contested under customary international law. Some view recent UN resolutions as evidence of its emergence, while others argue they merely reinforce existing obligations. The Human Rights Council and General Assembly have acknowledged this right, but states differ on its legal impact. As the International Court of Justice examines the issue, the focus is shifting from recognition to implementation, with institutions now working to monitor and enforce environmental human rights. Continue reading >>
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24 March 2025
International Law Under Pressure
In this blog post, we document and analyse the numerous apparent breaches of international law that have occurred within the first six weeks of the 2025 Trump administration. What began as an informal discussion at the Lauterpacht Centre for International Law has evolved into this analytical overview. We believe this documentation serves both academic purposes and potentially supports future legal proceedings. While defenders of these actions will undoubtedly offer justifications for what we identify as clear breaches of international law, our analysis aims to provide an assessment based on established international legal principles. Continue reading >>
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20 March 2025
Respect for International Law
Observance of international law is more important than ever in the current situation in order to maintain and restore world peace. This is especially true for Germany. We call for compliance with Germany’s obligations under international law. Especially at a time when international law is being broken by powerful states, we urgently appeal to decision-makers at federal and state levels not to jeopardize Germany’s commitment to international law. Continue reading >>06 January 2025
Territorial Concessions to the Aggressor
How can Russia’s war of aggression against Ukraine be brought to an end? With recent proposals by the Trump transition team, a possible peace treaty with Ukraine and Russia is gaining renewed attention. Gregory Fox predicts that “territorial transfers […] would likely be at the heart of any agreement”. The rule on coerced treaties (Art. 52 VCLT) poses a major legal obstacle to territorial concessions to an aggressor state. Under that rule, a treaty is void if its conclusion has been procured by an unlawful threat or use of force. That notwithstanding, a treaty invalid under Art. 52 VCLT can be validated by the UN Security Council (UNSC), a solution that is also compatible with jus cogens. Continue reading >>
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13 December 2024
“It looks more like a managed transition than a revolution.”
Five Questions to Michael Meyer-Resende Continue reading >>
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08 December 2024
Paula Escarameia
Paula Ventura de Carvalho Escarameia’s legacy extends beyond classical legal achievements. With a diversified career over decades that got cut short way too soon at the age of fifty, she’s earned global acclaim for her expertise in public international law, especially concerning the situation in East Timor. She believed that public international law was no rigid construct but could and should be changed especially in the areas of self-determination and the protection of human rights – ultimately contributing to the establishment of the International Criminal Court. Continue reading >>
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27 November 2024
Who Let the Bots Out
As artificial intelligence revolutionizes modern warfare, systems like Israel’s Lavender and Ukraine’s Clearview AI are transforming combat with precision and efficiency. This advancement has sparked an urgent debate on the responsible use and governance of AI in military, with 57 countries signing the Political Declaration on AI’s military applications, urging adherence to international law. Central to this is the accountability – who is responsible when AI systems violate laws? This blog post argues that state responsibility for AI violations remains viable within existing legal frameworks. Continue reading >>21 November 2024
Deporting the Enemy Within
Two weeks ago, the Israeli Knesset passed a law that grants the Minister of the Interior powers to deport family members of terrorists, including Israeli citizens. The logic of this law, its instrumentalization of legitimate security concerns to not just deny the rights and membership status of minority groups but attack the foundations of a constitutional system, is not unique to contemporary Israeli politics. As such, this logic needs confronting and refuting, and this law presents an important opportunity to do so. Continue reading >>
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08 November 2024
Farewell to the Rules-Based Order
As political analysts debate the reasons for Trump’s victory, one contributing factor is surely the utter failure of Biden’s Gaza policies. As the US has continued to fund an Israeli war of annihilation against Gaza, the democratic ticket became a hard sell for many who care about Palestinians. Yet, Gaza has also triggered a veritable renaissance of international litigation. With Gaza destroyed and Trump in the White House, this tension may have reached a terminal point. And yet, I argue, the ghost of a rule-based order lingers in our political imagination despite its inability to shape outcomes. Continue reading >>
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02 November 2024
Framing Fear
In the appraisal of international threats, seldom is media discourse included as an essential element of study. This post suggests that no analysis of international or European security is complete without considering the impact of mass media in shaping public perceptions of legal realities. Continue reading >>
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