The Reverend Dr John Chryssavgis, Archdeacon of the Ecumenical Patriarchate, has taught in Sydney and Boston. He is theological advisor to the Ecumenical Patriarch Bartholomew, the “green patriarch,” on environmental issues. His books include Beyond the Shattered Image: Insights into an Orthodox Christian Ecological Worldview (2nd ed. 2007), In the Heart of the Desert: The Spirituality of the Desert Fathers and Mothers (2nd revised ed. 2008), On Earth as in Heaven (2012). He lives in Maine.