In May 2007, a human-caused wildfire broke out near the city of Avalon, burning 4,800 acres.
2007年5月，在艾维隆市附近发生了一场由人为原因造成的大火，大火肆虐了4800公顷土地。
In May 2007, a human-caused wildfire broke out near the city of Avalon, burning 4, 800 acres.
2007年5月，在艾维隆市附近发生了一场由人为原因造成的大火，大火肆虐了4800公顷土地。
Coal, the most carbon-dense of fossil fuels, is the primary driver of human-caused climate change.
煤炭，这种最高碳的矿物燃料，是导致气候变化的人为因素中的最大驱动力。
It is the first documented extinction of a mammal species as a result of human-caused climate change.
这是人类引起的气候变化第一次导致哺乳动物物种灭绝。
Nobody knows for sure, but most of the answers seem to point to human-caused global atmospheric change.
没有人知道确切的答案，不过，大部分答案似乎都指向人类引起的全球大气变化。
On Wednesday, researchers released a study linking the abnormally high Arctic temperatures to human-caused climate change.
周三，研究人员发布了一项研究，认为北极的异常高温与人为气候变化有关。
It's the first study to trace the fluctuation of a natural (not human-caused) aerosol around the globe over the course of a century.
这是第一个试图勘测整个世纪地球表面自然(非人造)环境中悬浮颗粒的研究。
Put another way, we more than doubled the chance that it would happen, and it’s twice as likely to be human-caused than natural.
换个角度说，是我们导致这起极端天气事件发生概率提高了一倍之多，而且我们制造这起事件的可能性是自然因素引起的两倍。
It's worth noting, though, that the vast majority of human-caused quakes are caused by traditional mining and by hydroelectric-dam reservoirs.
尽管，值得注意的是，绝大部分人为引起的地震是由传统矿业还有水利发电大坝项目造成的。
Chris Mooney: The science has been coming in saying that global warming is really human-caused and keeps getting stronger scientifically.
克里斯·莫涅：科学告诉我们，全球气候变暖是人为因素造成的，而且愈演愈烈。
Although their searches have raised a few alarms, the signals have been dismissed as human-caused interference, such as noise from a passing satellite.
虽然他们的搜索收到过一些警报，但是这些信号已经被排除了，是些人为干扰，比如过路的人造卫星发出的声音。
Human-caused increases in atmospheric methane, which oxidizes into carbon dioxide and water vapor, could be providing more water for ice in the stratosphere.
人为增加大气中的甲烷，其氧化为二氧化碳和水汽后，能为平流层的冰提供更多的水份。
When summed across the globe, the results showed rivers and streams are the source of at least 10 percent of human-caused nitrous oxide emissions to the atmosphere.
综合全球各地的河流状况，估算结果表明：大气中人类造成的一氧化二氮排放至少有10%源于河流和溪流。
Although a wide variety of greenhouse gases contribute to human-caused global warming, it is CO2, largely alone, that will determine the long-term climate, Solomon says.
所罗门说，尽管有不少种类的温室气体为人类引起的全球变暖“添砖加瓦”，但决定长期气候的因素，大部分还得看二氧化碳。
Timmermann suspects the actual changes in sea surface temperature are due to natural variability in the ocean that canceled out the human-caused changes predicted by the models.
Timmermann怀疑海面温度的实际变化是由于海洋的自然变化，它掩盖了根据模型预测出的人为造成的变化。
Still, many of those scientists said they were becoming convinced that the system is heading toward a new, more watery state, and that human-caused global warming is playing a significant role.
尽管如此，许多科学家表示，他们相信，系统正朝着一个新的、更水状态，人类引起的全球变暖中扮演重要角色。
The clock setting, which has been a staple since 1947, represents the severity of the perceived threat to humanity from nuclear or biological weapons, climate change and other human-caused disasters.
“末日之钟”于1947年设立，代表了人类感受到的来自核武器或生化武器、气候变化及其它人为灾难等威胁的严峻程度。
Now, with rising sea levels caused by human activities, it's sinking faster.
现在，由于人类活动导致海平面上升，它下沉得更快。
This war has caused widespread human suffering.
这场战争给许许多多的人带来了苦难。
The news is constantly reporting what human endeavours have caused extensive damage to flora and fauna in the planet.
新闻正不断报道人类给地球动植物群造成严重破坏的所作所为。
Climate change is the long-term changes in the world's weather patterns that are mostly caused by human activity.
气候变化是世界气候模式的长期变化，主要是由人类活动造成的。
This information will allow comparison with viruses that have caused human cases elsewhere and thus assist in the assessment of risks to human health.
这一信息将使能与其它地方引起人间病例的病毒进行比较并从而协助评估对人类健康的风险。
The study found that 97 percent of scientific experts agree that climate change is "very likely" caused mainly by human activity.
这项研究发现，97%的科学专家认为气候变化“极有可能”主要是由人类活动引起的。
Australian climatologist will Steffens argued that climate change caused by human activity will fundamentally alter the air, land and oceans for tens of thousands of years.
澳大利亚气候学家威尔·斯蒂芬斯辩称，由人类活动引起的气候变化将完全地改变数万年的空气、土壤和海洋。
The researchers noted that these results suggest human caused environmental change can lead to animal diversification in about 200 generations for these birds.
研究人员注意到，这些结果说明由人类引起的环境变化将会导致这些鸟类在约200世代内出现生物多样化。
"Marine animals release small amounts of urea, but the pollution problem is almost entirely human caused," says Kudela.
库德拉认为海洋动物排泄的尿素很少，污染问题几乎都是人类造成的。
Laboratory studies have shown that the virus presently circulating in Nigeria is virtually identical to viruses that have caused human cases and deaths elsewhere since the start of this year.
实验室研究表明，目前在尼日利亚传播的病毒与今年以来在其它地方导致人间病例和死亡的病毒实际上是同一种。
Human misery has always caused depression, and there are now many more humans alive to endure misery than in the past.
人类的苦难总是会导致抑郁症，而如今活着忍受苦难的人要比过去更多。
Palin also restated her view that climate change is largely due to cyclical changes in the earth's atmosphere and not primarily caused by human behavior.
佩林还一再重申她在气候变化方面的观点，她认为气候变化主要归因于地球大气层的循环变化，而不是主要由人类行为所导致。
Palin also restated her view that climate change is largely due to cyclical changes in the earth's atmosphere and not primarily caused by human behavior.
佩林还一再重申她在气候变化方面的观点，她认为气候变化主要归因于地球大气层的循环变化，而不是主要由人类行为所导致。
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