Mr Boutros Ghali told Radio 4's Today programme that military confrontation between the countries of the Nile basin was almost inevitable.
Klare also talks about further conflict in the Middle East in disputes over the Rivers Jordan, TIgris and Euphrates. On the same link Prince Hassan of Jordan describes the situation in the Middle East.
"The ranks of the dispossessed, the misery they face will be a cause for greater bitterness and greater militancy and I can only see that we are hot-housing the kind of fury and rage that we claim we want to fight against," he said. "And I think that the region is going to implode. People can put up with so much but they can not put up with injustice."
Just when you think you are totally aware of all the situations that could plague humankind another one comes along.