nam 22 uu 4500 10.59704/ca99ffd63031501e DE-Verfassungsblog cr||||| 250815s2025||||xx#|||||o|||| ||| 0|eng|| 10.59704/ca99ffd63031501e doi eng 342 23 Gehring, Markus Author aut When Custom Binds All States - Reflections on Customary International Law in the ICJ Climate Advisory Opinion Gehring, Markus Verfassungsblog 2025-08-15 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The ICJ affirmed that States have binding customary obligations to prevent significant harm to the climate system and to cooperate in addressing the crisis. Rejecting arguments that climate treaties override these duties, the Court clarified that non-parties remain bound. While acknowledging law’s limits, the ICJ’s opinion provides a powerful legal foundation to guide climate negotiations, litigation, and collective action worldwide. CC BY-SA 4.0 Advisory Opinion Climate Crisis ICJ International Court of Justice Internationaler Gerichtshof | Den Haag Klimakatastrophe State Responsibility climate change customary law (DE-588)36344-3 gnd Internationaler Gerichtshof | Den Haag (DE-588)4234460-8 gnd Klimakatastrophe Max Steinbeis Verfassungsblog gGmbH Verfassungsblog 2366-7044 https://verfassungsblog.de/customary-law-icj-climate-advisory-opinion/ raw object