Water economy - Demographic and economic growth trends

Given demographic and economic growth trends, managing and controlling water resources is one of the greatest global challenges. The drafting of a food and water pyramid model compares the traditional food pyramid with its impact on water resources.

High quality (fresh non-polluted) water is a precious resource that must be managed with the greatest care. The increase in world population and the wellbeing achieved by many countries that encourages people to consume (and waste) more water requires better management of water resources.

Water consumption can be assessed not only in its direct form, or the quantity that is used for personal care, for cooking or for house cleaning, but also in its “virtual” form (in terms of water footprint). The water footprint estimates all the water that was used for the entire life cycle of any product or service purchased. In other words, an “implicit” water consumption exists in food and consumer goods which is rarely known and which noticeably affects the percentage of water used.

With the growing need for water and its decreasing availability, the economic value of water will likely increase over time, creating imbalances that may cause regional conflicts, maybe more serious and bloodier than those for petroleum. Therefore, a combined effort is required to promote a more rational use of water, particularly in agriculture and at a personal level, by following water saving diets.
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