One in five of the inhabitants of our planet have no drinking water. 97.5% of the available water is salty. 2.5 % is constituted by fresh water, and it is on the way to running out. But in South America, there lies the silent Guarani Aquifer, an underground reservoir which is able to supply drinking water for the whole planet for the next 200 years. Given this background, specialists predict two different strategies: the installation of American Military Bases in the natural resources, or the process of privatizing the water.