Toxic substances like mercury leak into soil and groundwater and disperse in the air.

汞等有毒物质会渗入土壤和地下水，并在空气中扩散。

Our groundwater used to be fresh and clean.

我们地下水过去是新鲜干净。

Nearly a third of the world's fresh water is groundwater.

世界上近三分之一淡水是地下水。

There's also contaminated groundwater. It's been stored in huge tanks at the plant.

地震和海啸还造成地下水被污染。这些污水被储存在核电站储存罐里。

We are unable to use groundwater well because it becomes saltier as well.

我们无法充分利用地下水，因为它也变得更咸了。

53% of the groundwater for crops goes to rice, wheat, and cotton.

53% 地下水用于水稻、小麦和棉花等农作物。

He pumps the groundwater up from way down deep.

他从很深地方把地下水抽上来。

Opal is formed when silica-rich groundwater hardens in rock over millions of years.

欧泊形成过程是：富含二氧化硅地下水在岩石里经过几百万年硬化沉淀。

And it uses 90% of its surface and groundwater.

它使用了 90% 地表水和地下水。

In May, CNN commissioned two accredited labs to test the groundwater around the Bhalswa landfill.

今年5月，CNN委托两家经过实验室对Bhalswa垃圾填埋场周围地下水进行测试。

Imagine that you just dropped 56 groundwater springs into Arctic stream environments.

“想象一下，在北极河流中放入56个潜水泉。

The model estimated that world sea levels rose six millimeters because of the additional groundwater.

该模型估计，由于额外地下水，世界海平面上升了6毫米。

Officials in Tamil Nadu say groundwater supplies have shrunk.

泰米尔纳德邦官员表示，地下水供应已经缩减。

Studies have linked abandoned wells to groundwater pollution in the United States.

各项研究已经把废井和美国地下水污染联系起来了。

Farmers have turned to pumping groundwater to keep their crops going.

农民们已经转向抽水来维持作物生长。

Experts say the dams also help area plants grow and add to groundwater.

专家表示，大坝还有助于当地植物生长，并增加地下水。

They add that claims saying otherwise were based on an incorrect use of groundwater models.

他们补充说，其他说法是基于对地下水模型错误使用。

Fracking remains controversial among environmentalists, who say the process may contaminate groundwater or cause earthquakes.

液压破碎法受到了主义者们争议，他们为，这样工艺会污染地下水或引起地震。

The key to minimizing damage is limiting groundwater extraction, the researchers wrote.

研究人员写道，减少破坏关键是限制地下水开采。

There it's broken down before moving on into the groundwater.

粪便在那里分解，之后继续进入地下水。