Christians and Muslims, believers in one God, have an obligation to safeguard the world God created, said the Vatican's annual message to Muslims for the end of Ramadan.

The U.S. Conference of Catholic Bishops "is on record supporting prudent action to mitigate the worst impacts of climate change."

Nine Catholic organizations from around the world have announced they are divesting their savings from coal, oil and gas companies in a joint bid to fight climate change.

Hundreds of Catholics joined the People's Climate March to call for moral and prayerful action to protect creation.

Even fans of McKibben may not know that the founder of the 350.org environmental nonprofit is also a religious man.

Almost every lily any of us in the United States will see this Easter comes from the very same tiny area at the northwest border of California.