If the world is to win the fight against climate change, its leaders must stop profiting from fossil fuels that threaten the survival and well-being of the planet and its inhabitants, Pope Francis said.

"We can learn how to take care of the world. And we must use all our strength to find ways of making the world more human, giving people the possibility to live their lives so that we may share the richness and the resources given to us in a way that could never be possessed or owned by us."

Will U.S. Catholics heed the call to take global action immediately? Or will our children and grandchildren live in a world drastically changed and terribly broken?

The Jesuit university has achieved carbon neutrality through energy efficiency and also through the financial support of reforestation projects and other green initiatives around the world.

A Jesuit from the Zimbabwe-Mozambique province has said that the recent cyclone that hit Africa has "wiped out entire villages"; 2 million people have been affected and more than 700 people have been killed by the storm.

The bishops argued in a March 22 statement that the Mercury and Air Toxics Standards, or MATS, are needed to protect pregnant women as well.