[T]here is the inability of the Christian world to respond in any effective way to the destruction of the planet. […] There is this terrible lack of concern for biocide or geocide. We have no moral principles to deal with them. […] Somehow, when I was quite young, I saw the beginning of biocide and geocide.
1991, Thomas Berry; Thomas Clarke; Stephen Dunn and Anne Lonergan, editors, Befriending the Earth: A Theology of Reconciliation between Humans and the Earth, Mystic, Conn.: Twenty-Third Publications, ISBN 978-0-89622-471-1; quoted in Cristina Vanin, “Attaining Harmony with the Earth”, in John C. Haughey, editor, In Search of the Whole: Twelve Essays on Faith and Academic Life, Washington, D.C.: Georgetown University Press, 2011, ISBN 978-1-58901-781-8, page 184