Second, we are running out of natural water and oil.

将担负不起这些昂贵的产品。

Large canals even re-directed natural water flows.

大运河甚至改变了自然水流的方向。

More tourists and residents take a dramatic toll on the island's natural water resources, but that's not the only concern.

游客和居民的数量增长对岛上的自然水资源造成了巨大的破坏，但这并不是唯一的问题。

They provide natural water filtration, flood control, and nutrients cycling.

它们提供天然水过滤、防洪和养分循环。

Parts of the reef even act as natural water filtration systems.

部分珊瑚礁甚至充当天然水过滤系统。

This is very important for the utilization of the recycled water and ecological protection when it enters into natural water reservoirs.

这对于循环水的利用和生态环境保护非常重要，特别是在这些水进入水库之后。”

In this case, as heavy water Natural water, does contain a small proportion of the heavy variety but water enriched with the stuff is distinctive.

在这种情况下， 作为重水天然水，确实含有一小部分重水， 但富含这些物质的水是与众不同的。

Mangroves are bulldozed to make room for shrimp farms, robbing coastal communities of storm protection and natural water filtration and depriving fish of key nursery habitats.

红树林被推平， 为养虾场腾出空间，剥夺了沿海社区的风暴保护和天然水过滤，并剥夺了鱼类重要的育苗栖息地。

Although the planned operation will be located more than 40 miles away, drawing the soda ash in through pipelines, conservationists worry it could still upset the natural water cycle and breeding grounds.

尽管规划的操作将位于 40 多英里之外，并通过管道抽取纯碱，但环保人士担心，这仍可能破坏自然水循环和繁殖基地。

Rather than relying on a constant flow of natural water to keep fish healthy, a RAS system grows fish on land in tanks whose water is continuously cleaned and recycled.

RAS 系统不是依靠持续流动的天然水来保持鱼类健康，而是在陆地上的水箱中养殖鱼类，水箱的水不断得到清洁和循环利用。

And to turn those very rivers into terrible dangers for our people, as the Himalayan glaciers melt and threaten both near-term flooding and the longer-term loss of our natural water reserves.

并将这些河流变成我们人民的可怕危险，因为喜马拉雅冰川融化并威胁到近期的洪水和我们自然水储备的长期流失。