Reading Time: 1 minute

Leafs of Wind: Paris’ Tree Vent

One Tree Vent can hold up to 72 wind turbines, or Aeroleaves, and produce 2400 Kilowatts/hour annually, with minimal noise and space.
Reading Time: 1 minute

Leafs of Light: New Delhi’s Solar Tree

Installed on a tall, vertical pole, branch-like solar cells can harness 10% more power than average panels, while taking up much less space.
Reading Time: 5 minutes

In Photos: Repurposing London’s Iconic Phone Booths

As phone booths in cities across the world fall into disuse, entrepreneurs in the British capital are transforming these antiquated relics of pre-mobile times into everything from public art to Smartphone repair stations.
Reading Time: 2 minutes

Four US Cities Win Grants to Better Quality of Life

Portland follows London’s footsteps and installs air quality monitors while Newport News develops flood prediction systems, as the White House grants $350,000 to four winning projects.