This course examines the sources, principles, and legal framework of environmental law in Nigeria, with emphasis on the prevention, control, and regulation of environmental pollution and degradation. It explores the major sources and causes of environmental problems, as well as the policy measures, legislation, and institutional mechanisms established to address them. The course analyses the legal protection of environmental media, including land, air, and water, at the local government, state, and federal levels. It further considers the legal and regulatory frameworks governing hazardous wastes and substances, environmental compliance, and pollution control. The course also introduces students to environmental litigation, including the legal procedures and remedies available for addressing environmental harm and enforcing environmental rights and obligations within the Nigerian legal system.