This International Environmental Law assignment examines the International Court of Justice (ICJ)'s advisory opinion on the legality of using nuclear weapons. The analysis explores how the ICJ recognized the right to a good environment as a fundamental human right, emphasizing the illegality of nuclear weapons under international humanitarian law and their harmful impact on civilians and the environment. Additionally, the assignment discusses the interconnectedness of human rights and environmental protection, highlighting how a healthy environment is essential for human dignity and well-being.