What powers artificial intelligence (AI)? As global electricity use is surging, with unprecedented demand coming from an increase in data centers, AI’s dependence on fossil fuels presents a serious i…

The United States national debt is rising to levels not seen since World War II. Many economists say Washington is on an unsustainable track, but no one knows when it will pass the point of crisis. W…

The Joe Biden administration contends with how to respond to a deadly attack on U.S. service members at a base in Jordan while also preventing a wider regional war; a faltering economy clouds festivi…

International trade has shaped the world for much of the past century. Countries benefited from the global flow of goods, and the world became richer and safer. At the same time, many Americans lost …

Many Americans are losing faith in the benefits of internationalism. But whether it’s wars in the Gaza Strip and Ukraine, worsening extreme weather as a result of climate change, or the trade-offs of…

On this episode of Why It Matters, experts discuss the unprecedented damage in Ukraine and who pays for post-war reconstruction efforts.

After decades of seeming like another sci-fi catchphrase, artificial intelligence (AI) is having its moment. Some experts predict that AI will usher in an era of boundless productivity and techno-uto…