The Declaration of Rome appealed “to leaders of the world’s great religions to inform and mobilize members of every faith to join in a global movement to protect the world’s children.”

Long before Pope Francis articulated in “Laudato Si’” a comprehensive Catholic call to care for the physical environment, Agape members were focused on treading lightly on the earth and combining a contemplative lifestyle with frontline environmental and peace activism.

The pope was speaking on Oct. 5 at an assembly of the Pontifical Academy for Life.

Looking back on the last five years at America and forward to changes to come

In his position, others might have begun to hate the world. Instead, Thomas Merton found he could not leave it alone.

Divestment from fossil fuels is one way to "look at how one applies the teachings" of "Laudato Si'."

Sainthood for Black Elk could help the inclusion of indigenous Americans within the Catholic Church, but it also raises questions about the church's role in erasing Lakota culture.

Looking back 55 years after the beginning of Vatican II, what have we learned and what have we forgotten?

Perhaps it is an odd moment for Lutheran fan mail. Yet, ever since you became the Bishop of Rome in 2013, I have become increasingly convinced that you are the pope that Luther was looking for 500 years ago. Here are four reasons why.

The "Laudato Si" Observatory will attempt to measure how countries are living up to the famous Papal encyclical on the environment.