The principal purpose of this paper is to discuss the legal aspects of the global efforts to ban and eliminate landmines. In doing this, it is considered necessary to explain what landmines are; the nature and extent of security, social and environmental problems posed by landmines; the history and development of the international campaign to adopt a treaty banning landmines; and efforts made, and still being made, to implement that treaty. In these discussions, Nigeria will be used as a case study