Green Walls

August 16, 2012, 12pm PDT
According to a new research study out of the UK, green streets are much more effective at cutting pollution than previously thought.
September 2, 2009, 1pm PDT
The new facade of the Atheneum Hotel in London sports 12,000 hanging plants, creating a lush curtain of greenery. Wired Magazine has pictures of the facade and other similar sites.