Imagine a colorful spring garden, flourishing hundreds of feet above sea level. Sounds like a scene you’d see on the Discovery Channel, or on a vacation in Hawaii right? Well these days, you can find scenes like this one right on rooftops across major cities nation wide.  One of the most prominent of these rooftop gardens is actually located in Washington, DC at the World Wildlife Fund’s headquarters. 

Employees at the World Wildlife Fund benefit enormously from having a green roof, as green roofs can improve water and air quality, while providing insulation that assists with noise reduction. Now the inner cynic in you is probably assuming that there are enormous costs to having such a beautiful amenity, but in truth, green roofs practically maintain themselves! The green roof at the World Wildlife Foundation requires no irrigation, and has a 40 to 50 year life expectancy – twice the life expectancy of the average roof. See and read more here.