Change all car´s horns to random electronic samples of orchestral instruments, so we could make contemporary music out of traffic chaos.
An app that reads barcodes and allows you to pay the bills directly on your iPhone.
An aerodynamic habitation for regions affected by high incidence of hurricanes.
Em pontos estratégicos as águas pluviais poderiam ser captadas, evitando o alagamento de zonas mais baixas.
Encourage regular citizens to have a rooftop garden.Those living in a building with a green rooftop pay less taxes. Reducing CO2 footprint.
Place a cylindrical aquarium in the center of the spiral stairway, so that you can enjoy the aquarium while you are walking the stairway.
People should use live fence insted of ink. Not only good for the enviroment, but also avoids graphity vandalism. Green city insted of grey.