Dear Sergei,  What you say is only partially correct (for those living in low lying coastal regions. Others will have to be supplied by pumping, perhaps over long distances to much higher elevations. Besides the monetary cost, what are the likely environmental costs for this?

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Dear Sergei, 

What you say is only partially correct (for those living in low lying coastal regions. Others will have to be supplied by pumping, perhaps over long distances to much higher elevations. Besides the monetary cost, what are the likely environmental costs for this?