A flood in St Mark's Square in Venice

Our Sinking Cities

From Venice to Tehran to Shanghai, many cities are steadily sinking into the earth. There might not be any way to stop it.
The Knightscope K5 Security Robot

Do Security Robots Signal the Death of Public Space?

A security robot targets the homeless, raising questions about whether private companies can expand their security detail to public spaces like sidewalks.
Side-by-side image of Dubai and Manhattan

The Key to Environmentally-Friendly Urban Planning

Manhattan and Dubai are both bustling, crowded cities with dense populations. So do Manhattanites have smaller ecological footprints?