A natural resource is defined as a form of energy and/or matter which is essential for the functioning of organisms, populations and ecosystems. In the case of humans, a natural resource, in his words ...
From left: Engineering students Elizabeth Vilanculos, Raulia Mlangeni and Nqobile-Pearl Hlope at a solar plant. Rodger Bosch/AFP/Getty Images Non-renewables, renewables and economic growth: what’s ...