Fernandes lectured on religion and philosophy and on educational and cultural matters to all types of audiences in India, the Far East, Australia, New Zealand, Ireland, Great Britain, Belgium, Netherlands, Switzerland, Germany, Denmark, Italy and all parts of the United States. His radio talks have been largely on
All India Radio, Radio Vaticana, National Broadcasting Corporation-New York, Radio Eirenean, BBC, Radio Koln and KRO-the Netherlands. He undertook a World Tour under the auspices of the Christian Family Movement in connection with Ecumenical Meetings on Development, Justice and Peace. He paid an official visit to Russia as leader of the Vatican delegation to the Russian Orthodox Church. In connection with multi-religious work in the fields of human rights, development, disarmament, environment he travelled to Turkey, Scotland, England, Finland, the United States, Japan, Singapore, Bangladesh, Malaysia, Hong Kong, Thailand, Philippines, Indonesia, Pakistan, various European countries and Canada. He also visited Sri Lanka, Burma, Iran, Aden, Mauritius, Israel, Portugal, Spain, France, Poland, Sweden, East Germany.
World Conference on Religion and Peace Archbishop Fernandes was a founding member and the first president (1970–84) of the World Conference on Religion and Peace (WCRP), an international organization of representatives of the world's major religious traditions who meet to study and act upon global problems affecting peace, justice, and human survival (disarmament). Fernandes attended the world conferences in Kyoto, 1970; Louvain, 1974; Princeton, 1979; Nairobi, 1984; and Melbourne, 1989 as well as numerous regional assemblies. ==Publications==