But rosewood stocks have fallen precipitously in recent years as illegal logging has run rampant.

但近年来由于非法砍伐极度猖獗，导致紫檀木数量锐减。

No more slash and burn for us! '

我们再也不用砍伐焚烧了！’

There was too much acid in the soil after slashing and burning.

经过砍伐和焚烧后，土壤中的酸太多了。

It enforces selective logging not more than one tree every hectare.

它强选择性砍伐每公顷只能砍一棵树。

Many living things lose their homes because of deforestation.

因为砍伐森林，许多生物失去了家园。

They are critically endangered due to widespread deforestation.

它们是极度危物种，造成其频临灭绝的原因是大规模的森林砍伐。

But elsewhere, deforestation is a last resort to survive.

但在其它地方森林砍伐是生存的最后手段。

And what about all those trees that are cut down to make printed books?

么些为了作印刷书籍而被砍伐的树木呢？

Another example of massive deforestation is the eucalyptus.

另一大量森林砍伐的例子是桉树。

Carbon dioxide from burning fossil fuels and clearing forests, among other human activities, is to blame.

产生气候变化的罪魁祸首是化石燃料的燃烧，以及树木的砍伐等人类活动。

Developers clear forests to expand cities or build roads.

开发商砍伐森林是为了扩张城市或修建道路。

It's caused roughly 80 percent of the deforestation this century.

本世纪将近 80% 的森林砍伐是因为农业。

Some will learn about deforestation by actually witnessing it.

有些人通过亲眼所见了解了森林砍伐现象。

Environmentalists accused the Brazilian president of encouraging farmers and loggers to clear the rainforest.

环保人士指责巴西总统鼓励农民和伐木工砍伐雨林。

They will not be cut down for other crops.

森林不会因要种植其他作物而被砍伐。

Most of the Amazon is in Brazil and in recent years, deforestation has accelerated.

亚马逊河的大部分地区位于巴西，近年来，森林砍伐的速度加快。

But since the 1950s, logging has fragmented the Qinling Mountain forests.

但从1950年起，大肆砍伐使得秦岭山脉的森林支离破碎。

But that did not stop the Pacific Lumber Company from wanting to cut it down.

但这并没有阻止太平洋木材公司想要砍伐它。

As Uruk grew, its farmers began chopping down trees to make space for more crops.

随着乌鲁克的扩张，其农民开始砍伐树木以腾出空间种植更多农作物。

Now loggers and farmers have cut most of it down.

现在伐木者和农民砍伐了大部分树林。