While many are concerned about the world's shrinking oil supply, experts and scientists predict that the acquisition of water will soon supersede that of oil as a main source of international tension. Citizens of numerous countries already endure the hardships that come from the daily search for water. Yet water availability is only part of the struggle. The world's increasing population and industrialization are raising the level of pollutants and toxins, tainting water sources that could be used for consumption or agriculture.
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