Sustainable architecture or the integration of elements into existing architecture.
What do you guys think about sustainable architecture and some of it's applications like improved isolation, solar panels, green roofs, living walls or the use of roof garden's in order to use available space twice ?
http://www.breathingwall.com/project...econnect01.jpg
http://www.mynewplace.com/blog/wp-co...green_roof.jpg
http://upload.wikimedia.org/wikipedi...slands_(2).JPG
http://www.lazyenvironmentalist.com/...els_energy.jpg
Pro's and cons ? Ideas ?