In an unprecedented response to the “grave threat” facing all peoples worldwide from climate change, Pope Francis and some 40 faith leaders have joined in an appeal for urgent action.

Why, and how, do high-profile figures in the Church of England make the swim across the Tiber?

The ecumenical prayer service was held at Holy Family Cathedral in Tulsa, which opened its doors 100 years ago to provide refuge for those fleeing one of the most severe incidents of racial violence in U.S. history.

In the 53rd year of Israel’s military occupation of Palestine, Patriarch Emeritus Michel Sabbah asks Christians worldwide to join a nonviolent resistance movement shaped by the “logic of love.”

A tree that is forever green and points to heaven can stand for Christ.

Two symbolic sites, the Hagia Sophia and the Mosque-Cathedral of Córdoba, could serve as models for international and interreligious cooperation, writes Peter Dziedzic.