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。

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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。

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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。

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The investigators say they found no evidence that the university's scientists cheated to prove the existence of human-caused climate change.

VOA: special.2010.04.27

All of this, of course, is to adjust to anticipated future decades of human-caused global warming.

FORBES: Finding Big Foot, Finding Global Warming

They want science-based and data-driven attempts to craft small-government, conservative solutions to human-caused global warming.

FORBES: Will Angelina Jolie Help End Climate-Change Denial, And Help The Republican Party?

Human-caused climate change is but one example of what occurs when we fail to do so.

UN: Secretary-General