is building /city living in the planet?

All living species need energy to live in the planet. Plants create their own energy therefore they rooted in the ground. Animals / birds need to find their energy therefore they have ability to move / fly. If we assume that buildings / city is a living then what is the energy? Where is source? What is the role of user?   

World's First Living Building Certified Projects Unveiled Certified Living Buildings - Tyson Living Learning Center – Inhabitat - Sustainable Design .

http://inhabitat.com/three-buildings-achieve-worlds-first-living-building-certification/certified-living-buildings-tyson-living-learning-center-3/