Brother Sun, Sister Rock: The legacy of Francis of Assisi between Faith, Ecology and Geology

The article explores the legacy of Saint Francis of Assisi through the intersection of faith, ecology, and geology. Marking the 800th anniversary of his death, it highlights how Francis’ spirituality was deeply connected to nature and the landscapes of central Italy. The text links Franciscan values with modern environmental ethics and geological research, especially through Walter Alvarez’s studies of the Apennines and the asteroid impact evidence at Gubbio. It also reflects on sacred sites related to Saint Francis, like La Verna, the ecological preservation of its forests, and the rebuilding of Assisi after the 1997 earthquake as symbols of resilience, harmony, and respect for Earth.