A battle over plastic—a material so prolific the UN calls the 90 percent of it that ends up as trash a pollution crisis—is under way in Florida. Coral Gables, a small city of 51,000 people ...

Since 1947, India and Pakistan have been locked in conflict over Kashmir, a majority-Muslim region in the northernmost part of India. The mountainous, 86,000-square-mile territory was once a ...