A NASA map has revealed how much water the ... South America's Amazon basin and the Orange River basin in Southern Africa, have also been flagged as regions at risk from heavy human water use.

Compared to many of the world’s river systems, the Orinoco is relatively intact. But this may not last for long as the river and its surrounding areas are threatened by pollution and mining activities ...

Given the 1.5 million-square-mile river basin’s immense hydroelectric and agricultural potential, all of Africa could be beholden to it, and thus to its mother country. Instead the river remains ...