In the years after the end of the Cold War, there have been numerous campaigns to urge the abolition of nuclear weapons, such as that organized by the Global Zero movement, and the goal of a "world without nuclear weapons" was advocated by United States President Barack Obama in an April 2009 speech in Prague.
Nos anos posteriores ao fin da guerra fría, houbo numerosas campañas para instar á abolición das armas nucleares, como o organizado polo movemento de Global Zero que co obxectivo dun "mundo sen armas nucleares" foi defendida polo presidente de Estados Unidos, Obama, nun discurso de abril de 2009 en Praga.