16 January 2026
„Die NATO wäre tot“
Alles andere als eine US-Kontrolle über Grönland sei „inakzeptabel“. Mit diesen Worten hat Donald Trump diese Woche Sorgen vor einer US-Annexion Grönlands weiter geschürt. Während europäische Regierungen Dänemark ihre Unterstützung und Solidarität versichern, ist schon jetzt eines klar: Sollten die USA Grönland tatsächlich annektieren, wäre nichts mehr wie zuvor. Wir haben mit Marko Milanović darüber gesprochen, wie das Völkerrecht auf ein solches Szenario reagieren könnte – und was eine Annexion Grönlands für die Zukunft der NATO bedeuten würde. Continue reading >>
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16 January 2026
“NATO Would Be Dead”
“Anything less” than U.S. control of Greenland is “unacceptable.” With those words this week, President Donald Trump reignited fears that a U.S. annexation of Greenland could move from rhetoric to reality. As European governments move to reassure Denmark of their support and solidarity, one thing is already clear: if the Greenland annexation scenario were to materialize, nothing would be the same again. We spoke with Marko Milanović about how international law would respond to such a scenario – and what a Greenland annexation would mean for the future of NATO. Continue reading >>
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24 July 2025
The ICJ’s Advisory Opinion on Climate Change
“An existential threat” – this is how the International Court of Justice (ICJ) characterized climate change in its long-awaited advisory opinion on the obligations of States with respect to climate change. In the most significant development in international climate law since the adoption of the Paris Agreement, the ICJ outlined numerous obligations that could significantly shape the contours of international environmental law and global climate governance. Continue reading >>
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09 July 2025
A Blueprint for Rights-Based Climate Action
On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) issued Advisory Opinion No. 32—the most important and progressive document yet released by an international court on the climate crisis. The IACtHR’s findings are as comprehensive as they are groundbreaking, spanning areas from procedural requirements for mitigation measures to the protection of environmental defenders. This post launches a blog symposium on the advisory opinion and discusses ten key takeaways, chosen to illustrate the opinion’s legal and practical significance. Continue reading >>
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20 June 2025
“Wavering Between Hope and Despair”
Reflections From Within German International Law Scholarship Continue reading >>
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20 June 2025
„Schwanken zwischen Hoffnung und Verzweiflung“
Innenansichten aus der deutschen Völkerrechtslehre Continue reading >>30 May 2025
“German Officials Might Be Criminally Liable”
Five Questions to Kai Ambos Continue reading >>
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30 May 2025