然而到目前为止,南加州自身对水处理技术的运用并不广泛。这让人感觉到很惊讶,因为整个美国西南地区面临水资源匮乏问题。至少大家都逐渐认识到:随着气候变暖和人口增加,现存的基础设施将难以满足用水需求。圣地亚哥拥有的地下水储量既少,盐份又高,如今其 90%的用水需从外地引入。在像圣地亚哥这样的地方,其对策是尽可能的节约用水、循环利用,而剩余不足的部份则大多从海洋中获取。
The first part, conservation, is hardly controversial any more. San Diego today uses lesswater with a larger population than it did in 1989, the year water consumption peaked. Thesecond part, water recycling, has been a harder sell, because of what the industry calls theyuck factor. It doesnt help that Americans still use the term toilet-to-tap for recycling,even though properly treated sewage is nowadays completely clean. Singapore made itsprogramme acceptable in part by rebranding it as NEWater. But even the Singaporeanscannot recycle all their waste-water.
首先,节约用水已被广泛认同。圣地亚哥如今人口增加了,耗水量却比1989年少。其次,水循环利用很难被广泛接受,其原因在于业内所称的恶心之物。美国人民称水循环为马桶-水龙头,即使被恰当处理的污水十分干净,其也难去除人们的恶心之感。新加坡使其在理论上被接受,部分原因在于它把处理过的污水称为新生水。但是,即使是新加坡人也不能循环利用所有的废水。
【2015考研英语阅读加州的海水淡化】相关文章:
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30