The world's largest humanitarian crisis in 70 years has been declared in three African countries on the brink of famine.

Some of the tensions still troubling Liberian life have deep social and historical roots.

The United States dominates an annual global weapons export market that has topped $100 billion.

Pope Francis asked God's forgiveness for the failures of the Catholic Church during the 1994 Rwanda genocide and for the hatred and violence perpetrated by some priests and religious.

Msgr. John E. Kozar, secretary of the Catholic Near East Welfare Association, said the agency maintains a low profile because it works through and with the local church.

Climate change is already affecting vulnerable populations across the world, in places that are the least able to adapt.