What is an Encyclical?

Pope Francis may release an encyclical on climate change tomorrow. But what is an encyclical?

Porfessor Drew Christiansen explains in this short clip for The Religion Freedom Project at Georgetown University.

The Religious Freedom Project at Georgetown University’s Berkley Center for Religion, Peace and World Affairs “is the nation’s only university-based program devoted exclusively to the analysis of religious freedom…”

And they just joined Twitter. You can follow them @RFPGeorgetown.