The Ecumenical Patriarch of Constantinople serves as the Archbishop of Constantinople and as spiritual leader and chief spokesperson for the Eastern Orthodox Church. The current Patriarch, Bartholomew I, has been particularly active internationally, working to rebuild the Orthodox churches of the former Eastern Bloc following the fall of Communism and continuing reconciliation dialogues with the Roman Catholic Church. His reputation as an environmentalist has earned him what nicknames? Discuss (http://forum.thefreedictionary.com/postst69408_Bartholomew-I-Becomes-Patriarch-of-Constantinople--1991-.aspx)