The U.N. General Assembly asked the International Court of Justice in 2023 for an advisory opinion, a non-binding but important basis for international obligations.

The United Nations’ top court has issued a landmark advisory opinion on climate change, its 15-black-robed judges weighing in for the first time on what the court’s president called “an existential problem of planetary proportions that imperils all forms of life and the very health of our planet.

The United Nations’ top court in a landmark advisory opinion says countries could be in violation of international law if they fail to take measures to protect the planet from climate change, and nati