Yerba mate is a wildly popular South American tea with a growing global market. Can this 'superfood' save Paraguay's tropical forests, too?
South Africa's Department of Water and Sanitation has plans in place to ensure adequate water supply until 2040 and beyond.
There is evidence for catastrophic climate change from protracted volcanic eruptions in the past, but since the 1950s the emissions we produce far exceed those from volcanic activity.
Despite its importance, Cameroon's maritime fisheries sector is plagued with largely hidden, or ignored, fisheries crimes.
Attacks on chimpanzees are happening at an alarming rate, within and outside national parks.
As climate change speeds up tropical storm cycles, rivers and bays have less time to process nutrients and pollutants that wash into them after each event.
The foundations of orderliness for any city are planning and management. Lagos had this in place in the early days.