Urban areas around the world face the challenge of delivering affordable housing to ever growing populations. Availability and expenses of both building material and skilled workers are a common hindrance. Turning sand into a revolutionary new building material might offer a solution, writes PolyCare Co-Founder Dr Gerhard Dust.
The large amount of electronic waste is a serious challenge in Lomé, Togo. At WoeLab, tech-savvy young people come up with solutions that clean the environment, ensure recycling of electronic waste, and educate residents on how to manage and valorise their electronic waste.
Citizens of Mexico City face serious health issues – due to failures in urban planning, says Auribel Villa. Green infrastructure development significantly supports cities' ways towards becoming healthier and thus more liveable.