Ballerina, Cuba

Some of the best moments happen behind the scenes, before or after the main event. These are the times when people are unguarded because ...

Natural Wallpaper

Going Green

In Madrid, plants turn a wall in the Paseo del Prada bright green. Green walls are particularly useful in reducing pollution in street ...

Green Gold

A vertical garden (pictured) won the gold medal in the 2011 Chelsea Flower Show in London. Each year Green Roofs for Healthy Cities iss...

Against the Wall

The ability of green walls, such as this one at the Musée du Quai Branly in Paris, to cool street canyons is especially key in the summer...

Living Wall

A living wall bursts with vegetation at Paris's Musée du Quai Branly—a type of green wall that's catching on in some big cities. ...