Is the world still at risk from nuclear weapons? Why are so many of these weapons of mass destruction still in the arsenals of states almost 70 years after their invention, and 25 years after the cold war ended? What would happen if these arms were used today? And what can we do to prevent it? These are some of the questions this new website will explore in coming months—with particular focus on analysing the new political and diplomatic space the emergence of an international humanitarian initiative on nuclear weapons has created since 2010.