In 1954, following the US explosion of a large thermonuclear device in the South Pacific, Prime Minister Nehru of India led the first international call for a comprehensive ban on nuclear testing. It took until 10 September 1996 for the General Assembly of the United Nations to adopt the Comprehensive Nuclear Test Ban Treaty (CTBT). As at the end of April 1997, it had been signed by 142 states including the five nuclear-weapon states.
Evaluating the added value of multi-input atmospheric transport ensemble modeling for applications of the Comprehensive Nuclear Test-Ban Treaty organization (CTBTO)