Christianity - Eastern Orthodox

Message by His All-Holiness Ecumenical Patriarch Bartholomew to the United Nations Conference of the Parties (COP 24) (Poland)
December 3-14, 2018
http://fore.yale.edu/files/Message_to_COP24.pdf

Message by His All-Holiness Ecumenical Patriarch Bartholomew to the UNFCCC COP-23 Session (Bonn, Germany)
November 6-17, 2017
https://www.patriarchate.org/-/message-by-his-all-holiness-ecumenical-pa…

Keynote Address by His All-Holiness Ecumenical Patriarch Bartholomew at the Arctic Circle Assembly (Reykjavik, Iceland)
October 13, 2017
https://www.patriarchate.org/-/keynote-address-by-his-all-holiness-ecume…

Message by His All Holiness Ecumenical Patriarch Bartholomew for World Environment Day
June 5, 2009
http://www.ec-patr.org/docdisplay.php?lang=en&id=1071&tla=en

Message by His All Holiness Ecumenical Patriarch Bartholomew at the Synaxis of the Heads of Orthodox Churches
October 10, 2008
https://www.archons.org/-/ecumenical-patriarch-bartholomew-addresses-synaxis-of-the-heads-of-orthodox-churches

Message of His All Holiness Ecumenical Patriarch Bartholomew on the Day of the Protection of the Environment
September 1, 2008
http://www.ec-patr.org/docdisplay.php?lang=en&id=970&tla=en

Encyclical of His All Holiness Ecumenical Patriarch Bartholomew on the Day of the Protection of the Environment
September 1, 2006
https://www.patriarchate.org/-/septon-patriarchikon-menyma-epi-tei-hemerai-tes-proseuches-hyper-tou-physikou-periballontos-01-09-2006-

Common Declaration on Environmental Ethics
Pope John Paul II and the Ecumenical Patriarch Bartholomew I
June 10, 2002
http://212.77.1.243/holy_father/john_paul_ii/speeches/2002/june/documents/hf_jp-ii_spe_20020610_venice-declaration_en.html