Most of the wastewater produced worldwide receives no treatment and the nutrients in wastewater go to waste. Here's how households can draw these nutrients from urine and use them as fertilisers.
Thanks to major science infrastructure, human resource training and education investment in African nations, the continent is well placed to lead from the front.
By opening data, monitoring and reporting on air quality can be complemented by data from various sources to create more localised and relevant decision-support solutions.
South Africa's White Paper doesn't outline how science, innovation and technology can improve ordinary people's lives.
Astronomy on the continent has been given a much needed boost with Ghana's converted radio telescope between it and South Africa, to conduct scientific observations.