The formation of the isthmus had important consequences for global patterns of ocean water flow.
地峡的形成对全球洋流格局产生了重要的影响。
Agriculture is a water-intensive business, accounting for nearly 70% of global fresh water consumption.
农业是水资源密集型产业，占全球淡水消耗的近70%。
Water continually evaporates, condenses, and precipitates, and on a global basis, evaporation approximately equals precipitation.
水持续蒸发，冷凝，沉降。在全球范围看来，蒸发量约等于沉降量。
The decisions of the coming years will determine whether a major global crisis of water and food shortage can be avoided.
未来几年的决断将决定能否避开一个主要的全球性的水和食物短缺危机。
They range from protection of the environment and global warming to fair pricing of water services and equitable distribution of water for irrigation, industry and household use.
它们涉及的领域从环境保护、全球变暖到水服务的公平定价以及灌溉、工业和家庭用水的公平分配。
Two global trends have added to the pressure on water. Both are likely to accelerate over coming decades.
两项全球性趋势也给水问题带来了压力——而这两项趋势在未来几十年中都有加速倾向。
Saudi Arabia, for example, has very little water - and global warming is likely to make this situation much worse.
比如说，沙特阿拉伯有很少的水——而全球变暖可能使这种情况更加恶化。
The Puget Sound study is one of several ongoing efforts to investigate the unexpected ingredients that find their way into the global water supply.
对皮吉特海峡的研究是一些正在进行的项目中的一个，这些项目是要研究各种调味料是如何进入全球水循环的。
From the water standpoint, two factors play a role: global warming, and a change in moisture or water availability.
从水资源角度讲，有两大因素会产生影响：一是全球变暖，二是湿度或水资源可用量的变化。
But with global warming causing sea levels to rise, the water that was once Venice's protector has become its Nemesis.
不过，随着全球变暖造成的海平面上升，曾经是威尼斯守护者的海水变成了他们的涅米·西斯(复仇女神)。
Thanks to global warming, these glaciers are receding, threatening the long-term water supplies for the region.
正是因为全球气候变暖，这些冰川正在消退，已经威胁到该区域未来的水供应。
This blog post is part of a special National Geographic News series on global water issues.
此博客节选自国家地理新闻系列特刊的全球水话题。
The article discusses a mostly overlooked hypothesis that, if right, would explain how big rainforests-like the amazon-actually drive the entire global water cycle.
这篇文章讨论了这个通常被忽视的假设，如果新的假设是正确的话，就能解释像亚马逊这样的大雨林是如何推动全球的水循环了。
Chinese scientists blame the falling water levels on global warming and say it's a long-term trend.
中国科学家将其归咎为全球变暖导致降水量减少，并称这是一个长期趋势。
Global warming upsets the world's water cycle, increases the burden of pests, desiccates soil and reduces yields.
全球变暖打乱了全球的水循环，增加了害虫的负担，改变土壤看，减少产量。
As our explains, many water problems have global causes: population growth, climate change, urbanisation and, especially, changing diets.
正如我们所说，许多因水引起的问题会引起全球性的问题，比如人口增长，气候变化，城市化，特别是改变的饮食。
As our article explains, many water problems have global causes: population growth, climate change, urbanisation and, especially, changing diets.
如同本周刊另一篇新闻(水也，命之所系)报导，许多水荒肇始于全球性的因素：人口成长、气候变迁、都市化、还有特别是饮食习惯的改变。
In addition to producing intuitive and beautiful objects, Ideo USES its well-honed design process to tackle urgent and highly complex problems such as security, water scarcity and global poverty.
除了制造直观且美观的界面产品，Ideo公司利用精巧的设计工艺还可以处理十分紧急且高度复杂的问题，诸如安全、水稀缺和全球贫困问题。
Global water Challenge is a coalition of twenty-two groups working for change in water and sanitation.
全球应对水问题促进会是由22个小组组成，致力于改变水和卫生设施。
A global water crisis, which impinges on supplies of food and other goods, or affects rivers and lakes everywhere, is quite another.
而全球水荒又完全是另一回事，会冲击到全球粮食和其他作物的供给、并波及全球河川湖海。
Yet in many farming regions, water is scarce and likely to get scarcer as global warming worsens.
然而，许多务农区水资源缺乏，并很有可能随着全球变暖的加剧更加缺乏。
The global average withdrawal of fresh water was 9% of the amount that flowed through the world's hydrologic cycle. Both Latin America and Africa used less than 6% (see table).
全球平均能汲取降水量的用水，只占全球的水循环水量的9%，至于拉丁美洲和非洲能用到的水量，更低于6%(见下表)。
The exhibition will focus on three topics: water source protection, global warming and the aging problem.
该展区主要有三个主题：保护水源，全球变暖问题和老龄化问题。
At the global level, there is enough water available, but some countries and regions will face serious water shortages.
在全球范围水是充足的，但是有些国家和地区将面临严重的缺水。
Join National Geographic in exploring the local stories and global trends that define the world's water crisis.
国家地理频道在一起探索了地方新闻和全球趋势后定义了世界水资源危机。
The percentage of the world’s population using improved drinking-water sources increased from 77% to 87% between 1990 and 2008, a rate on track with meeting the global MDG drinking-water target.
1990至2008年间，世界上使用改良饮用水源的人口比例从77%上升到87%。这一比率表明，可以按计划实现全球千年发展目标的饮水具体目标。
The percentage of the world’s population using improved drinking-water sources increased from 77% to 87% between 1990 and 2008, a rate on track with meeting the global MDG drinking-water target.
1990至2008年间，世界上使用改良饮用水源的人口比例从77%上升到87%。这一比率表明，可以按计划实现全球千年发展目标的饮水具体目标。
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