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.
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.
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.
1850年至1890年间，随着欧洲集约化农业方法在世界范围内的推广，数百万公顷的森林和林地被砍伐殆尽。
Millions of hectares of forest and woodland fell before the newcomers' axes between 1850 and 1890, as intensive European farming methods expanded across the world.
即使这个项目没有减轻贫困，费拉罗也表示：“仅从二氧化碳排放的角度来看，由此避免的森林砍伐的价值就已经超过了项目的成本。”
Even if this program didn't reduce poverty, Ferraro says, "the value of the avoided deforestation just for carbon dioxide emissions alone is more than the program costs."
在地球上的许多地方，生长缓慢的古树森林已被砍伐一空，以供人类使用。
Across much of the planet, forests of slow-growing ancient trees have been cleared for human use.
雨林在小规模的砍伐后很容易再生。
砍伐热带森林是有选择性的，但伐木工人通常优先砍伐最大最古老的树木。
Logging in tropical forests is selective but the timber cutters usually prioritise the biggest and oldest trees.
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.
许多树木仍面临被砍伐的危险。
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.
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。
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.
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.
人们砍伐了很多树，所以动物处于极大的危险中。
为了满足造纸需求，要回收利用废纸，而不是砍伐树木。
Instead of cutting down trees, recycle used paper to meet the need of paper-making.
今年是第49个地球日，我认为我们应该呼吁人们不要过度砍伐树木。
This year is the 49th Earth Day and I think we should call on people not to cut down too many trees.
几个世纪以来，人类过度砍伐树木及过度集约耕作，一直在破坏环境。
Humans have been damaging the environment for centuries by overcutting trees and farming too intensively.
气候变化与森林砍伐、荒漠化和淡水退化等其他全球环境问题相互关联。
Climate change is inter-linked with other global environmental problems such as deforestation, desertification and freshwater degradation.
巴西的森林砍伐率急剧下降，令人吃惊。
然而，变砍伐为保护的过程实在太慢。
The transition from clearing to protecting, however, is occurring too slowly.
避免砍伐森林至关重要。
好消息是：亚马逊雨林的砍伐速度在减缓。
Good news: the chopping down of the Amazon rainforest continued to slow.
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