Archbishop Dominique Mamberti, secretary for Relations with States, spoke at the 57th General Conference of the International Atomic Energy Agency (AIEA), held in Vienna on 16 September.
Christians around the world are praying today for peace in Syria and the wellbeing of millions of refugees who have left their homes because of the fighting.
The head of the Catholic Church in England and Wales, Archbishop Vincent Nichols has called for prayers in support of all those affected by the conflict in Syria.