A dock for gaming enthusiasts to iPhone 4. Reminding the old psp and gameboy. Can you imagine playing pokemon yellow on your mobile?
Use gamer motivation: Create diverse ways for healthy real life activities (social, exercise, etc.) to also give their characters exp points
An aerodynamic habitation for regions affected by high incidence of hurricanes.
Each person make a poster like the one on the picture or print one of the site. Then just glue it anywhere and everywhere. Take a smile! =D
Bolinha de papel no lixo que você escolher.
Plant a tree in every empty/pre-made plot of housing to increase greenery in your neighbourhood.
Install rain sensors in traffic lights. Staying red longer when it's raining, pedestrians would have more time to cross the streets.