Robert Prevost, newly named Pope Leo XIV, has previously voiced his stance on the hot-button environmental issue.

VATICAN CITY (AP) — Pope Leo XIV celebrates his first Mass on Friday after his historic election as the first North American pope, meeting with the cardinals who chose him to lead the Catholic Church and follow in Pope Francis’ reform-minded footsteps.

Cardinal Robert Francis Prevost – now known as Pope Leo XIV — is the first pope from the United States. The 69-year-old from Chicago is known as a leader with global experience. He spent much of his career as a missionary in South America and most recently led a powerful Vatican office for bishop appointments.