Ukrainian church leaders have voiced skepticism over a planned Vatican “peace mission” to their war-torn country and have complained of being left in the dark about Rome’s intentions.

The Catholic Church’s current Synod of Bishops should not be a “parliament for demanding rights,” but a “journey in accordance with the Spirit,” Pope Francis said.

Those working in the field of tourism have a great opportunity to offer people a “different kind of vacation” that is less consumerist and more respectful of creation, the Vatican said.

Pope Francis called the migration crisis between Mexico and the United States a “serious problem” and praised a U.S. bishop working along the border during an interview with Telemundo journalist Julio Vaqueiro.

The pope responded to questions from young people May 25 during a meeting with participants in the Scholas Occurrentes movement.

While the release of the working document for the Synod of Bishops on synodality is expected sometime in early June, Pope Francis tried to respond to some of the questions and concerns about the synod process that already have been raised.

People must end the “senseless war against creation” and help victims of environmental and climate injustice, Pope Francis said.

People of faith and those working in the fields of science, economics and politics need to work together to help care for life and humanity’s common home, said Cardinal Michael Czerny, prefect of the Dicastery for Promoting Integral Human Development.

Christians should pray on Pentecost that the Holy Spirit would give them the courage and strength to share the Gospel, Pope Francis said.

At a time when Vatican-Chinese relations are strained because of apparent differences over an agreement to name bishops, the pope publicly marked the annual World Day of Prayer for the Catholic Church in China May 24, the feast of Mary, Help of Christians, “venerated and invoked at the Shrine of Our Lady of Sheshan in Shanghai.”