Chicago s most famous rooftop garden sits atop city hall.
Famous green roof.
Made with hardy varieties of succulents.
Foot 3 530 meter green roof atop an 11 story high building.
Green roofs are sprouting up more and more on buildings around the world from private residences and schools to cultural institutions and businesses.
Green roof design while the practice of building green roofs is centuries old it has experienced a renaissance as the structural philosophy of the future.
The initiative started out as a demonstration project to reduce urban heat and improve air quality.
Water is stored by the roof s substrate and.
Chicago city hall green roof chicago ill united states.
Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas.
Some 20 000 plants of more than 150 species grace the rooftop and were selected for their ability to survive chicago s crazy weather of extreme winters and humid summers.
Stories about architecture with green roofs including homes with living roofs buildings topped with gardens and grassy plains used as sports pitches.
First planted in 2000 the city hall rooftop garden was conceived as a demonstration project to test the benefits of green roofs and how they affect temperature and air quality.
A study presented at the green roofs for healthy cities conference in june 2004 cited by the epa found water runoff was reduced by over 75 during rainstorms.