Low water levels have led to a traffic jam at one of the world’s busiest maritime passages. The bottleneck demonstrates how accelerating climate change is threatening global supply chains.

A year after Russia’s invasion, Ukraine is suffering a catastrophic humanitarian crisis. The outflow of millions of refugees has placed a strain on neighboring countries.

Iran has built considerable political clout in Iraq since the fall of Saddam Hussein’s regime. Its wide sphere of influence could be expanding, raising domestic tensions and alarming U.S. policymaker…

The military campaign has resulted in a humanitarian crisis and fears of regional instability. A path forward will require international cooperation, careful diplomacy, and an inclusive political pro…

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