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.
Cape Town is committed to providing clean, affordable and accessible energy to all its residents. Increasing the use of renewable energy, implementing innovative financing options, and challenging national energy legislation are some of the ways the city hopes to shift away from a history of inequality, writes Mary Haw.