We're wasting too much of the clean energy we generate. Reservoirs and caverns can store excess solar and wind power.

Looking for a smartphone that offers long battery life and fast charging speed? Here`s our thoughtfully curated list, after evaluating battery size, charging speed, gaming performance, and much more.

We're wasting too much of the clean energy we generate. Reservoirs and caverns can store excess solar and wind power.

As the water levels of the Vaal dam nears the critical 18% mark, preparations are under way to release water from the back-up Sterkfontein dam to augment water supply for Gauteng and surrounding ...