So, I'm really stoked about the idea of ecocities: cities that provide habitat for all species, not just humans. Cities are humankind's largest creations, so I'm interested in making incubators within them that support creativity, diversity, and uuuuh LIFE!!
A few sample images gleaned off the web to whet your whistle: (comments are below the images)
k, this is more of a hobbit house, but the style can be incorporated into eco-cities... check out the site, SO BEAUTIFUL!
root bridge in india: www.megalithicsites.co.uk/ Ummonoi.html
have you all heard of any concept artists that play around with these ideas?
I'm talking to people in Seattle about starting an ecocity incubator of sorts....my brainstorming document is here (called Seattle Community Center): http://www.wiserearth.org/user/yodelheck/section/gallery