The Vatican hosted the global premiere of a new documentary on the urgent need to address climate change on the feast of St. Francis of Assisi.

To know oneself is a gift and a grace that allows Christians to properly discern between feelings and convictions, Pope Francis said.

The Gospel's message of hope to the suffering and downtrodden is sorely needed in today's world, which is "enslaved by selfishness and full of contradictions and divisions," Pope Francis said.