For residents of European cities—with their snarled traffic, drafty old buildings, creaking public services and gray winters—it's easy to see the appeal of moving to a brand-new, high-tech metropolis.

Smart city innovation is accelerating—so fast, in fact, that distant visions of the future are now becoming present-day realities, transforming how communities live, work and play. At the heart of ...

The concept of smart cities has evolved from a futuristic vision to a tangible reality, with urban centers worldwide integrating technology and sustainability to enhance the quality of life for their ...