The South African government and the Bill and Melinda Gates Foundation have announced a R40-million partnership to develop toilets for rural and peri-urban communities that sanitise human waste, extract reusable water, energy and fertilizer, and operate completely "off the grid".
A South African innovation is a world first. The Hygizone extraction system removes odours and bacteria directly from the toilet, making sanitation more hygienic and reducing reliance on ordinary cleaners and air fresheners.
A dozen robots exploring deep in the platinum mines of North West province to make sure conditions are safe sounds like something out of an Isaac Asimov novel. But the idea is becoming a reality, thanks to a team of South African robotics engineers from the Council for Scientific and Industrial Research.
Working with households in the HaMakuya district in Limpopo province enabled the University of Johannesburg's Chris Bradnum to design a biomass stove for rural and low-income communities that is safer, more efficient, and kinder to the environment.
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