Pope Francis meets with actor Leonardo Di Caprio during a private audience in the pontiff’s private studio, at the Vatican, Thursday, Jan. 28, 2016. (L’Osservatore Romano/Pool Photo via AP)

The actor who is also a green crusader was in Vatican to meet with the Pope and discuss their mutual interest on environmental matters.

‘Your Holiness, thank you for granting me this private audience with you,’ DiCaprio said in Italian as he arrived in the Apostolic Palace and kissed the pope’s ring.

He gave the pope a cheque from his charitable foundation and presented him with a book of works by the 15th-century Dutch painter Hieronymus Bosch.

‘As a child I didn’t quite understand what it all meant, but through my child’s eyes it represented a planet, the utopia we had been given, the overpopulation, excesses, and the third panel we see a blackened sky that represents so much to me…