Green architecture comes in many forms though lately it seems like these forms are stranger than ever. Urban skyscraper farms? Floating eco-cities? Glowing solar towers? Turbine-driven skyscrapers? Magnetically levitated wind collectors? Where does it end?! With all of these emerging green technologies it seemed an appropriate time to take a look at seven of the most amazing real and conceptual designs currently at the forefront of ecological innovation. These examples push the limits of ecological architecture and contemporary urban design discourse.