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.

The process of selecting the next Holy Father after Pope Francis’ death is set to begin any day now. The College of Cardinals will sequester and vote. Channel 2’s Candace McCowan spoke to an Emory University professor about what is different for this conclave.