Who accepted the challenge?

A densely populated urban settlement in Hong Kong
A densely populated urban settlement in Hong Kong, surrounded by busy streets and characterized by closely built buildings.© GettyImages-LewisTsePuiLung
 A densely populated urban settlement in Hong Kong, surrounded by busy streets and characterized by closely built buildings. © GettyImages-LewisTsePuiLung

More than 60 individual alumni or teams submitted an idea for the 2023 Community Challenge “Sustainable cities for people and the planet”. 29 of them have been selected to be published online and are shared below. You are invited to read them, give feedback to the authors so they can refine and improve them, and vote for your favourite ideas.

Focus areas of the submitted ideas

Found 6 results.