We're back on the main atoll of Tarawa.

我们现在回到塔拉瓦岛的主要环礁。

The population is set to double on Tarawa over the next 20 years.

塔拉瓦的人口在未来20年里将翻倍。

Six shipping companies from Hamburg have offices on Tarawa, supervised by Andrew Hinesen.

来自汉堡的六家航运公司在塔拉瓦设有办事处，由安德鲁•希内森(Andrew Hinesen)监督。

Abaiang atoll, around 50 kilometers to the north of Tarawa is a different world.

塔拉瓦以北大约50公里的阿拜昂环礁则是另一个世界。

In addition to climate change, overpopulation is one of the biggest problems on Tarawa.

除了气候变化，人口过剩是塔拉瓦岛最大的问题之一。

Almost every square meter of land on Tarawa has now been built on.

塔拉瓦岛上几乎每一平方米的土地都被建了房。

When night falls on Tarawa, the fishermen sometimes recall a centuries-old fishing method.

当夜幕降临塔拉瓦岛时，渔民们有时会想起一种古老的捕鱼方法。

A Mangrove forest in the south of Tarawa.

这是塔拉瓦南部的一片红树林。

The people of Tarawa have already planted more than 50,000 mangroves on the beaches of the atoll.

塔拉瓦人已经在环礁的海滩上种植了5万多棵红树林。

More than half its hundred thousand residents live on the Tarawa Atoll, but for how much longer?

其10万居民中有一半以上居住在塔拉瓦环礁上，但他们还能住多久呢？