Running through eleven countries for 6,853 kilometres, the Nile is a lifeline for nearly half a billion people. But the river itself has been a source of tension and even conflict for countries and territories that lie along it and there have been rumours of “possible war for the Nile” for years now. While to date there has been no outbreak of irreversible tension, experts say that because of increasing changes in the climate a shared agreement needs to be reached on the redistribution of water soon.