http://www.msn.com/en-us/news/us/thirst-turns-to-desperation-in-rural-california/ar-BB73j6n
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| http://ecolisima.com/cuanta-agua-consumimos-al-dia/ |
http://sanfrancisco.cbslocal.com/2014/09/27/growing-list-of-norcal-communities-counties-running-out-of-water-in-just-60-days/
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| http://www.avina.net/esp/5522/2-de-febrero-dia-mundial-de-los-humedales-los-humedales-y-la-gestion-del-agua/ |
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