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We will run out of water.We absolutely will.
California is in the midst of the worst drought on record, and yet the need for freshwater is only increasing.
In order to meet that demand, cities across the state are turning to rather controversial and expensive technology called desalination,where they turn ocean water into freshwater.
Fifteen desalination plants are currently in the works in California, the largest being the 1 billion Carlsbad plant slated to open this November.
When operational, it will produce 50 million gallons of fresh water a day through a process called reverse osmosis, which filters out 99.9 percent of the salt.
We certainly didn't plan on completing the plant during record drought conditions here in California,
but it does highlight the importance of what we're doing,which is to provide a new supply of water, essentially drought-proof water.
But this drought-proof water source comes at a price.
The desalination process is incredibly energy-intensive and the water produced from the plant will cost about twice as much as traditional tap water.
A gap the San Diego Water Authority expects will close overtime.
Up the coast, Santa Barbara is planning to invest 40 million to reactivate a plant that was built in the '90s, during the state's last severe drought.
The plant ran for just four months before heavy rains ended the dry spell.
我们的水资源将会用尽。我们绝对会的。
加州正处于历史上最严重的干旱,而对淡水的需求只是有增无减。
为了满足这种需求,各个城市转向颇受争议且造价高昂的海水淡化技术,这种技术能够把海水转化为淡水。
目前加州有约15座海水淡化工厂,而耗资10亿元建成最大的一座卡尔斯巴德工厂将于今年11月开始运营。
当开始运作时,每天将通过名为反渗透的过程,过滤掉99.9%的盐生产5000万加仑的新鲜水。
在加州遭遇历史性干旱期间我们工厂的建设计划当然没有完成。
但这座工厂会凸显出我们所做事情的重要性,提供一种新的供应水,基本上是耐旱水。
但这耐旱水资源是需要付出代价的。
海水淡化过程是令人难以置信的密集型能源,而且工厂的这种水资源的生产成本约是传统自来水的2倍。
圣地亚哥的水务局预计将会因为过时而关闭。
在海岸上,圣芭芭拉分校计划投资4000万重建90年代最近一次严重干旱时期落成的工厂。
在暴雨终结干旱前这座工厂仅仅运营了4个月。
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