A hunter’s moon rises behind a statue of St. Francis of Assisi on the grounds of the National Shrine of Our Lady of Champion in Champion, Wis. (OSV News photo/Sam Lucero, CNS)VATICAN CITY (CNS) — Eight centuries ago, St. Francis of Assisi composed a poem that remains familiar today, inspiring hymns, art and the titles of two of the late Pope Francis’ teaching documents on integral ecology.