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.
Famous green roof.
Green roofs can reduce stormwater runoff via water wise gardening techniques.
Foot 3 530 meter green roof atop an 11 story high building.
Chicago s most famous rooftop garden sits atop city hall.
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.
Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas.
Chicago city hall green roof chicago ill united states.
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.
The initiative started out as a demonstration project to reduce urban heat and improve air quality.
In 2001 the windy city constructed a 38 800 sq.
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.
Stories about architecture with green roofs including homes with living roofs buildings topped with gardens and grassy plains used as sports pitches.
Water is stored by the roof s substrate and.