On July 23, 2025, the International Court of Justice delivered its Advisory Opinion on the Obligations of States in respect of Climate Change, unanimously establishing that states have comprehensive binding obligations under multiple frameworks of international law to protect the climate system. The Court’s opinion responded to questions posed by the UN General Assembly through resolution 77/276, marking only the fifth unanimous advisory opinion in the Court’s nearly 80-year history.
In its Advisory Opinion, the Court identified specific obligations under various climate treaties,...