Most important of all, the Amazon irrigates the largest tropical rain forest on Earth.

最重要的是，亚马逊河灌溉着地球上最大的热带雨林。

Many use wood from endangered rain forests.

许多使用的木材来自濒危的雨林。

Before the eruptions, it was covered by forests of pine trees.

在火山喷发之前，该地区被松树林所覆盖。

But remnants of militias still haunted the forests, preying on the villages.

时至今日，刚果表面上像是消停了，但是在丛林里，残余的军队依旧阴魂不散，到处洗劫村镇。

Salonga is Africa's largest protected rain forest.

萨隆加是非洲最大的热带雨林保护区。

These are the remote forests of northern California.

这里是加利福尼亚北部偏远的森林。

So we will have to raze entire forests.

所以我们必须把整片森林夷为平地。

One reason we want fake wood is saving our forests.

我们需要假木材的一个原因是为了保护我们的森林。

And you can't bring back the forests that once grew where there is now desert.

您也不能把沙漠中从前完整的森林带回来。

And we can't keep cutting down rain forests for it.

而且我们不能因此而砍掉 雨林来满足这个需求。

Well, this is what happens to a lot of coastal mangrove forests.

这个，就是许多沿海红树林所面临的问题。

When otters disappear, for example, urchins take over, decimating kelp forests.

比如当水獭消失，海胆数量会上升，海藻丛会被大量消耗殆尽。

Some countries plant new forests but it's a drop in the ocean.

一些国家种植新的森林，但那只是沧海一粟。

That means leveling entire forests for a product most people use for just one meal.

这代表光是为了生产这个人们大多只会用上一餐的产品，就得夷平一整座森林。

Up in California's High Sierra, above the dense pine forests, rocky habitats reign.

在加利福尼亚州高山之巅、茂密的松树林之上，有一片岩石区。

Frozen insects and plant material could also reveal histories of the world's forests.

冰冻的昆虫和植物材料也可以揭示世界森林的历史。

People are destroying the tropical forests to burn the wood for cooking and small industries.

人们破坏热带雨林，为了获得做饭的柴火和发展小型工业。

I could see distant forests in the east, and decided that would be better country.

东边我可以看到远处的树林，觉得那是个好地方。

Logging has drastically reduced mangrove forests in the country which is regularly battered by storms.

伐木使这个国家的红树林急剧减少，而该国经常受到风暴袭击。

Fire keeps these forests healthy and vibrant.

它使这些森林保持生机与活力。