The International Criminal Court was created to bring justice to the world’s worst war criminals, but debate over the court still rages.

Each Friday, I look at what the presidential contenders are saying about foreign policy. This Week: The demise of arms control agreements and the rise of geopolitical competition are a dangerous mix…

See how six countries are faring amid efforts to protect 30 percent of the planet’s land and waters by 2030, and what will be saved if they succeed. 

The sprawling U.S. water system is central to the nation’s economy, but chronic underinvestment, increasing demand, and the consequences of climate change have revealed the system’s weaknesses.