The murder of Haiti’s embattled president stands to deepen the country’s political, economic, and humanitarian crisis.

The UN climate summit delivered on a loss and damage fund, but it fell short on goals to reduce emissions and avoid the worst consequences of climate change.

A surge in killings of environmentalists is part of a disturbing trend of increasing threats to social leaders across Latin America.

Targeted operations by U.S. forces have eliminated notorious leaders of armed extremist groups, al-Qaeda’s Ayman al-Zawahiri the latest among them. But how much they disrupt these terrorist organizat…

Violence between rival Shiite factions has raised concerns that Iraq’s weak government is facing prolonged political upheaval.