Bringing significant health benefits to the city's population.
In Sana'a, Yemen, water can quickly become scarce, posing a risk to vulnerable city residents. Sabrina Faber's short listed idea of 'Rainwater Aggregation' addresses this problem by using existing flat rooftops to capture, filter and store water during rainy periods. Find out more about the Award finalists and how to vote for your favorite at www.philips.com/yourvote