- Intervention by the Holy See at the United Nations on Climate Change, September 24, 2007
- Pope Benedict XVI's call for respect for the environment during his Angelus address on Sunday, Aug. 27, from Vatican Radio.
- Address of his Holiness Benedict XVI to the members of the Pontifical Academy of Sciences, November 6, 2006
- Intervention of the Holy See at the Second Committee of the General Assembly
of the United Nations on Sustainable Development by Archbishop Celestino Migliore, the Holy See's Permanent Observer to the United Nations, New York, October 26, 2006.
- Letter of his Holiness Benedict XVI to his Holiness Bartholomew I, Ecumenical Patriarch, on the Occasion of the Sixth Symposium on "Religion, Science and the Environment" Focusing on the Amazon River
- Intervention by the Holy See at the United Nations Commission on Sustainable Development of the Economic and Social Council, May 11, 2006
- Intervention by the Holy See at the World Summit on Sustainable Development, Johannesburg, South Africa, September 2nd, 2002
- Message of Pope John Paul II for the 2000 World Day of Peace, nos. 17-18
- Pope John Paul II's 1990 World Day of Peace message on the environment, The Ecological Crisis: A Common Responsibility