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.

Presidents Trump and Biden have turned to the Defense Production Act to procure critical medical supplies during the coronavirus pandemic. What does the law do?

If Western allies fail to send Ukraine the weapons it needs, the odds increase of the war dragging on indefinitely, at a terrible cost to both Ukraine and Russia and a growing risk to the wider world…

Climate change is fueling geopolitical competition in the Arctic. An independent Greenland could play an important role in years to come.

News of Iran’s upcoming release of U.S. nationals and the unfreezing of Iranian assets has stirred speculation of a new nuclear deal. But there are many obstacles to such a breakthrough.

A long dip in oil prices could put several oil-producing countries under great strain, but some are better positioned than others to weather the downturn from the coronavirus.