Brazil has struggled to contain prison violence for decades. A riot at the Altamira prison in Pará state on July 29, which left at least 62 inmates dead, revealed just how much work still needs to be done.

The future feels more threatening and ominous than ever. The sense of doom and gloom is deepening, not least in the West.

The greatest wave of democratisation in history is receding – and crime and violence are to blame. Latin Americans were among the most devoted converts to democracy in the late 20th century.

All coastal cities are facing sea-level rise, but some will be hit harder than others. Asian cities are in for a particularly rough ride.

The absolute number, prevalence and lethality of terrorist incidents has decreased significantly around the world since its peak in 2014.

Brazilians have an uneasy but enduring co-existence with homicide. Over 1,060,000 of them have been murdered since 2000.

Brazil has an uneasy co-existence with homicide. At least 1,060,000 Brazilians have been murdered since 2000.

The United States will withdraw all remaining staff from its embassy in Venezuela, according to a late-night March 11 announcement by Secretary of State Mike Pompeo on Twitter, who cited the “deterioriating situation” there.

As the world’s largest terrestrial carbon sink, the Amazon is a key front in the fight against climate change

One of humanity’s gravest existential threats is invisible. Pandemics are silent killers and have prematurely ended the lives of more people than virtually any other cause.

Global cooperation is at a crossroads. Many of the world’s biggest challenges are not a result of disagreements about how to cooperate, but a profound loss of direction about why to cooperate in the first place.

Venezuela’s borders are now dangerous flashpoints in a tense showdown between President Nicolas Maduro and Venezuela’s self-declared interim president, Juan Guaidó.

The stench of burning tires is hard to escape. Haiti’s capital, Port-au-Prince, is again littered with smoldering barricades.

Religious violence is undergoing a revival

BANGUI, Central African Republic—To locals, he is known simply as “Force.” The moniker is appropriate. In a country teeming with warlords—feared and admired in equal parts