Copies of Pope Francis’ encyclical on the environment, “Laudato Si’, on Care for Our Common Home,” are stacked on a table prior to a presentation on the encyclical June 30 at U.N. headquarters in New York City. Ghanaian Cardinal Peter Turkson, president of the Pontifical Council for Justice and Peace, delivered the keynote address. (CNS photo/Gregory A. Shemitz) See TURKSON-CLIMATE July 2, 2015.