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1. Troubles about water in the World The amount of water collects and keeps in reservoir is the quadruplet from 1960, and the amount of water contained in dams is six or three greater than the one of the natural rivers. The water taking from the rivers and lakes has been duplicated from 1960; the most of it (70% at world-wide level) is destined to agriculture. The number of species on planet is diminishing. In the last centuries, the human beings have made increase the rate of extinction of species up to 1,000 times over the typical rates of history of the planet (average certainty). Between the 10 and 30% of the species of mammals, birds and amphibians at the moment. In general, the fresh water habitat tends to have the highest proportion of threatened species of extinction. Perhaps from the 5 to 25% of world-wide the fresh water use it exceeds the accessible provisions in the long term and now it is obtained by means of trasvases of water with engineer installations or by means of the underground water consumption over the replacement levels. Around the 15 to 35% of the water used for irrigation it exceeded the rates provision and, therefore, the consumption is untenable (low certainty to average). Half of the urban population of Africa, Asia, Latin America and the Caribbean undergoes one or more diseases related to the insufficiency of the water provision and the cleaning. Approximately 1.7 million people die annually anywhere in the world because of the shortage of water, cleaning and hygiene. One of the eight Objectives of Development of the Millenium adopted by the Nations United in 2000 is reduce the infantile mortality. The bad nutrition is the underlying cause of an important proportion of all the infantile deaths, but also strongly is influenced by the diseases associated with the quality of the water. The diarrhoea is one of the predominant causes of infantile mortality anywhere in the world.[1]

Analysis of the power production of a wind farm with consumption associated for desaled water for agriculture, in Gran Canaria