Cardinal Cantalamessa in profile.jpg
Cardinal Raniero Cantalamessa, preacher of the papal household, reads St. Francis of Assisi's "Canticle of the Creatures" in a scene from the documentary "The Letter: A Message for Our Earth." The 1224 prayer poem provided the name of Pope Francis' 2015 encyclical on ecology "Laudato Si', on Care for Our Common Home." (Courtesy of Laudato Si' Movement)