如果（陨石撞击地球的）力度足够大，相撞会扰乱整个地球的环境，并引发一场生态灾难。
If an impact is large enough, it can disturb the environment of the entire Earth and cause an ecological catastrophe.
目前，污染越来来越重要，地球的环境遭到严重败坏。
Now, the increasing pollution to the more serious, the Earth's environment has been severely damaged.
他在地球峰会上的报告证实了咱们的确要更加关注全地球的环境。
His presentation on the Earth Summit proves those we really command to pay abundance attention to the global environment.
从建筑学的角度来探讨改善地球的环境问题，将是今后建筑界关注的一个重要课题。
It will be an important subject in the building community to study the contribution to improving the earth environment from an angle of architecture in future.
现在地球的环境：土壤遭到破坏目前，有110个国家的可耕地的肥沃程度在降低。
Now Earth's environment: the soil is destructed present, some 110 country's arable land's fertile degree is reducing.
宇宙是无限的，但地球的环境承受力是有限的。每人少开一分钟的空调，都是对我们地球的贡献。
Because the capacity of the globe is limited, it'd be a contribution to our earth if every one uses one minute less of air-conditioning.
如果生命的确是在类似地球的环境下容易产生，难道它就不会是在我们这个行星家园里已经形成过许多次了吗？
If life does form readily under Earth-like conditions, shouldn't it have formed many times over, right here on our home planet?
到目前为止，我们用这种方法监视大地，海洋，冰川和云层已经有10个年头了，我们像医生检查病人生命特征一般记录著地球的环境变化。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patient's vital signs.
到目前为止，我们用这种方法监视大地，海洋，冰川和云层已经有10个年头了，我们像医生检查病人生命特征一般记录着地球的环境变化。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patients vital signs.
再怎么强调保护环境的重要性也不为过，因为我们只有一个地球。
We cannot emphasize the importance of protecting the environment too much because we have only one Earth.
科学家们把咸海描绘成地球上生态环境最差的地方。
Scientists have described the Aral sea as the site of the worst ecological disaster on earth.
其观点是，我们正在以一种超过使其可持续的额度从我们称为“地球环境银行”的账户余额中提现；我们的生活已经超出了我们的生态的承受能力。
The idea is that we are taking more out of what you might call the planet's environmental bank balance than it can sustain; we are living beyond our ecological means.
他们生活在不稳定的平衡中，并且这是地球上最艰苦的环境之一。
They live in precarious balance and one of the toughest environments on earth.
我认为人类在破坏他们赖以生存的地球是愚蠢的！我不明白他们为什么这么做。人类应该关心环境。
I think it is so stupid of people to do bad things to the earth that they are living on! I can't understand why they are doing these. People should care about the environment.
经典地质学从牛顿那里借用了一个决定性的前提——地球过程独立于任何天文环境。
Classical geology borrowed a decisive, if unspoken, premise from Newton—the independence of Earth's processes from any astronomical context.
越来越多的科学家开始探索地球工程的替代方案，这通常指的是有意的对环境进行大规模操纵。
An increasing number of scientists are beginning to explore the alternative of geo-engineering—a term which generally refers to the intentional large-scale manipulation of the environment.
想一想世界地球日，环境法，新闻中的环境问题，不难看出环保行动正在成为主流。
Earth Day, Environmental Laws, Environmental Issues in the news, being green was entering the mainstream.
那么，在从地球上最古老的岩石中提取的岩石样本中，我们发现了什么液态水环境的证据呢？
So, what evidence of a liquid water environment did we find in rock samples taking from the oldest rocks on Earth?
它是地球上最荒凉的环境的所在地，因为它应该是一个极其寒冷的地方。
It is home to the most inhospitable environment on the planet because it is supposed to be an extremely cold place.
每天都有一个主题，包括食物和时尚，着眼于人类是如何危害环境的以及如何拯救地球。
Each day has a topic, which includes food and fashion, looking at how humans harm the environment and how to save the planet.
因为地球上的这种极端环境可能与其它星球上的环境相似。
That's because extreme conditions on Earth may be somewhat similar to environments on other planets.
第三，我们不断膨胀的人口和对地球资源贪婪的消耗正导致地球空前绝后的环境危机。
Third, our bulging population and voracious use of the earth's resources are leading to unprecedented multiple environmental crises.
如果要保护世界的水资源，就必须解决人类对地球环境和气候的影响。
The human impact on the earth's environment and climate must be addressed in order to protect the world's water resources.
“这些极端寒冷的环境与地球外可能的栖息地极其相似。”她说。
'These extremely cold environments are the best analogues of possible extraterrestrial habitats,' she said.
为了制造能够在宇宙中进行数亿英里旅行的仪器，韩德还到地球上最险恶的环境旅行。
To create instruments that will travel hundreds of millions of miles through space, Hand voyages to the most forbidding environments on Earth.
夜幕降临的时候我参观了这个陨石坑，我深深地明白，太阳系的碎片随时可能侵入我们舒适的地球和月球构成的环境。
I visited the crater as night fell, and I felt keenly aware that fragments of the solar system can invade our cozy realm of Earth and Moon.
另一些地球学家则研究人类活动对地球环境的影响，并制订出保护地球的措施。
Others study the impact of human activity on Earth's environment and design methods to protect the planet.
另一些地球学家则研究人类活动对地球环境的影响，并制订出保护地球的措施。
Others study the impact of human activity on Earth's environment and design methods to protect the planet.
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