The Holy See participates as an observer to African Union, Arab League, Council of Europe, Organization of American States, International Organization for Migration, and in the United Nations and its agencies FAO, ILO, UNCTAD, UNEP, UNESCO, UN-HABITAT, UNHCR, UNIDO, UNWTO, WFP, WHO, WIPO. It participates as a guest in the Non-Aligned Movement (NAM), and as a full member in IAEA, OPCW, Organization for Security and Co-operation in Europe (OSCE).