<p>San Diego&rsquo;s regional water authority approved a contract to purchase all the output of a seawater desalination plant with an estimated price tag of almost $1 billion that has yet to be built in nearby Carlsbad. <a href="http://www.businessweek.com/news/2012-11-30/san-diego-approves-desalination-plant-water-purchase-agreement">More</a> (Bloomberg Business Week)</p>
