‘The emergence of the ecological movement…was and continues to be a cry for fresh air which must not be ignored…the earth has a dignity of its own and…we must follow its directives…The importance of ecology is no longer disputed. We must listen to the language of nature and answer accordingly’.
Pope Benedict XVI
See http://www.vatican.va/holy_father/benedict_xvi/speeches/2011/september/documents/hf_ben-xvi_spe_20110922_reichstag-berlin_en.html for full text