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image/svg+xml Water Availability Water is a renewable but limitedresource it is in fact in a fixed amount within thehydrological cycle 97.5% of the water on Earthis salt water Not all the existing fresh water can be used The distribution of water on Earthis uneven The presence of water is influenced by climatic changes Water pollution is faster than the purifying action of the hydrological cycle The water accessible for human use represents only 0.001% of the total. it is in fact because hence because Use and consumption The increased generates Environmental and economic water shortage Degradation of water resources water quality indices with respect to hence Water withdrawal per sector Water withdrawal per geographical area Average consumption per capita Access to water human consumption of water an increased demand higher withdrawals and Today more wateris drawn thanthe water resources available. <