How Pope Francis united a once-skeptical Church with climate action

Pope Francis, who chose his papal name after the 13th-century figure St. Francis of Assisi, known as the patron saint of ecologists, was the fiercest climate and environment advocate in the church’s history.

​ Pope Francis, who chose his papal name after the 13th-century figure St. Francis of Assisi, known as the patron saint of ecologists, was the fiercest climate and environment advocate in the church’s history. Read More Breaking News, Latest News and Videos | CNN