Judicial Convergence on Climate Change The Advisory Opinions of the ICJ, the IACtHR, and the ITLOSIn just over a year, three of the world’s most prominent courts have addressed States’ legal obligations in the context of climate change. A year later, the Inter-American Court of Human Rights (IACtHR) followed with a landmark opinion, requested by Chile and Colombia. This obligation also applies in the context of climate change (ICJ, para. The ICJ emphasized that this obligation has a customary nature and serves as “the very foundation of meaningful international efforts with respect to climate change” (ICJ, para. Human rights obligationsAll three advisory opinions discussed the importance of human rights in the climate crisis, albeit in different levels of detail.