Vatican City, Jun 15, 2015 / 01:05 am (CNA/EWTN News).- One of the most challenging scientific questions Pope Francis faces in his new encyclical on creation is that of climate change, which a source close to the document says the Pope addresses in a balanced perspective without taking sides.

“The great novelty which emerges from the encyclical is that it comes from a shepherd who’s thinking of all those who are his,” a source familiar the encyclical has said.