Universities have a pivotal role to play in finding solutions to pressing environmental and social questions. The latest ranking by the Quacquarelli Symonds (QS) agency places the North-West University (NWU) among the top global and local universities when it comes to environmental and social sustainability.
With the aid of thermal energy storage systems it is possible to use solar cookers to prepare hot meals at night. Some systems perform better than others though, and there is room for improvement. This is according to Prof Ashmore Mawire of the Solar Thermal research group at the NWU.