对树木的大规模砍伐正在破坏环境。
The broadscale cutting down of trees is damaging the environment.
在这一计划中，会以25年为周期有选择地砍伐树木。
Within the project, trees are selectively cut on a 25-year rotation.
这就意味着砍伐200多棵树，包括栎树和山胡桃树。
It would have meant cutting down over 200 trees, including oaks and hickories.
由于森林砍伐，很多树种濒临灭绝。
Hundreds of tree species face extinction because of deforestation.
在全世界，人们已砍伐了许许多多的树木。
All over the world, people have cut down millions and millions of trees.
在秋天，伐木工人照例来砍伐一些最大的树。
In autumn the wood-cutters always came and felled some of the largest trees.
众所周知，大面积的森林砍伐会导致洪水泛滥。
It is widely acknowledged that extensive deforestation would lead to flooding.
因为人们砍伐了太多的树木，大象正在失去自己的家园。
Elephants are losing their homes because people cut down too many trees.
为了保护环境，我们应立即采取措施，例如停止砍伐树木。
In order to protect our environment, immediate actions should be taken, such as stopping cutting down trees.
费拉罗想知道印度尼西亚的扶贫项目是否影响了森林砍伐。
Ferraro wanted to see if Indonesia's poverty-alleviation program was affecting deforestation.
砍伐的树木被算作收入，但被耗尽的森林资源却没有计入损失。
The trees cut down are counted as income but no subtraction is made for using up the forests.
亚瑟为他父亲砍伐白桦，直到18岁才制作了自己的第一把扫帚。
Arthur cut birch for his father but did not make his first broom until he was 18.
费拉罗说：“我们看到，该项目与森林砍伐量减少30%有关。”
"We see that the program is associated with a 30 percent reduction in deforestation," Ferraro says.
这些发展导致了重大变化，如地球表面的进一步侵蚀和森林砍伐。
These developments have caused major changes like additional erosion of the Earth's surface and deforestation.
施工期间，建筑商如果不必要地砍伐树木可能面临7500美元罚款。
During construction, builders were threatened with $7,500 fines for felling trees unnecessarily.
印度尼西亚拥有世界上面积排名第三的热带森林，也是森林砍伐率最高的国家之一。
Indonesia has the third-largest area of tropical forest in the world and one of the highest deforestation rates.
南美洲和撒哈拉以南的非洲正遭受着大规模的森林砍伐：每年有近500万公顷的森林消失。
South America and sub Saharan Africa are experiencing deforestation on an enormous scale: every year almost 5 million hectares are lost.
在某些地方，特别是在南美洲，稀树草原的形成似乎与频繁地砍伐和焚烧潮湿的森林作为牧场有关。
On certain sites, particularly in South America, savanna formation seems related to frequent cutting and burning of moist forests for pastureland.
物种灭绝、森林砍伐、河流筑坝、洪水、臭氧层损耗、海洋系统恶化和许多其他变化都在加速发生。
Species extinction, deforestation, damming of rivers, occurrence of floods, the depletion of ozone, the degradation of ocean systems and many other areas are all experiencing acceleration.
自芝加哥大火灾之后，密歇根的森林一直被砍伐作木材用。
These Michigan woods have been exploited for timber since the Great Fire of Chicago.
雨林在小规模的砍伐后很容易再生。
许多树木仍面临被砍伐的危险。
如果我们砍伐太多树木，森林就会消失。
在被砍伐的树木中，42%被用于造纸。
Of the trees that were cut down, 42 percent went to paper production.
人类正在砍伐许多树来建造更多的房子。
每年砍伐大量树木制作筷子是一种浪费。
It's a waste to cut down lots of trees for chopsticks every year.
由于人们砍伐森林，它们正在失去栖息地。
They are losing their living areas because people cut down forests.
他们不得不砍伐树木，为自己的生活所用。
人们砍伐了很多树，所以动物处于极大的危险中。
为了使我们的环境更美丽，我们不应该砍伐树木。
We should not cut down trees in order to make our environment more beautiful.
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