A Bogotá family invented a system to drain rainwater from any rooftop and store it in an ‘Ekowall’ of plastic bottles.
A Bogotá family invented a system to drain rainwater from any rooftop and store it in an ‘Ekowall’ of plastic bottles.
Exactly 100 years ago, the renowned Italian educator first landed in America with a method that pushes independent thinking. Today, the results are everywhere — notably at Google HQ.