when the access to water will begin a problem, we will start to see conflict as we see actualy for oil.
It can even been worse because water is essential while oil is “just” economicly important. A lot of contries have restricive access to drinkable water, and are completly dependant of the neighbour countries.
let me take an article from a very interesting website http://www.flatrock.org.nz/topics/environment/effluent_for_the_affluent.htm
Egypt, whose population of 68 million may reach 97 million by 2025, gets essentially no rainfall. All agriculture is irrigated by seasonal floods from the Nile River, and from water stored behind the Aswan High Dam. Any interference with water flow by Sudan or Ethiopia could starve Egypt.
“The Nile is one I worry about,” says Sandra Postel, director of the Global Water Policy Project. Egypt, she says, is militarily powerful but vulnerable. “The hydropolitics might favor some military action, because Egypt is so heavily dependent on the Nile, it’s already virtually tapping out the supply, and Ethiopia is now getting interested in developing the headwaters.”
When a World Bank official suggested several years ago that water wars are not far off, he might have had Egypt on his mind – or Turkey, Syria and Iraq, another trio of Middle-Eastern states that are locked in an uncomfortable embrace over water.
The Tigris and Euphrates Rivers both rise in Turkey and flow unimpeded to Syria and Iraq, where they provide the bulk of irrigation water needed in the arid climate. Turkey has proposed a series of dams that would reduce river flow. That causes alarm downstream.”