People pose for a photo at the premier of the "The Letter: A Message For Our Earth," a film on Pope Francis' encyclical, "Laudato Si', on Care for Our Common Home," in the Paul VI hall at the Vatican Oct. 4, 2022. Pictured from left are the film's writer and director, Nicolas Brown; U.S. coral reef scientist Greg Asner; Arouna Kandé, a climate refugee from Senegal; Ridhima Pandey, a 13-year-old climate activist from India; U.S. coral reef scientist Robin Martin; Chief Cacique Odair "Dadá" Borari from the Amazon rainforest in Brazil; and Lorna Gold, president of the board of the Laudato Si' Movement. (CNS photo/Laudato Si' Movement)

Mohtas Anwar Modier, a Sudanese refugee who received a visa to study in Italy, speaks at a conference on immigration in Rome Sept. 27, 2022. Government representatives and leaders of Catholic immigration efforts attended the conference sponsored, by the International Catholic Migration Commission and the Canadian Embassy to the Holy See. (CNS photo/Paul Haring)

Pope Francis holds a Ukrainian flag as he greets the crowd before Mass in St. Peter's Square during the World Meeting of Families at the Vatican in this June 25, 2022, file photo. Meeting Jesuits in Kazakhstan in early September, the pope said too many people have taken a simplistic view of Russia's war on Ukraine. (CNS photo/Vatican Media)

A priest talks to a visitor June 15, 2022, at Immaculate Conception Catholic Church in Guayanilla, Puerto Rico, during an immersion trip organized by Catholic Extension for people from various U.S. dioceses. (CNS photo/Juan Guajardo, Catholic Extension via Jersey Catholic)

Pope Francis speaks as he celebrates the closing Mass of Italy's National Eucharistic Congress at the municipal stadium in Matera, Italy, Sept. 25, 2022. (CNS photo/Vatican Media)

A researcher observes the nucleus of human stem cells in this illustration photo. (CNS photo/Tingshu Wang, Reuters)