The soot particles that make up these pollution blankets can both absorb and disperse light, and therefore both warm and cool the climate.
构成了这层污染幕的炭黑颗粒既能吸收也能散射光，因此它既能让气候变暖也让气候变冷。
Some drawbacks to wind farms include visual pollution and noise, although these can be overcome by improving their design and locating them in isolated areas.
风力发电场的一些缺点包括视觉污染和噪音，尽管这些可以通过改进设计和将它们安置在偏远地区来克服。
The other group maintains that recent human activities ranging from physical coral destruction through pollution to predator removal have triggered these events.
另一个组织认为，最近的人类活动，从自然的珊瑚破坏到污染，再到捕食者的消失，都引发了这些事件。
With this latest discovery, the researchers say noise pollution in coral environments raises yet another cause for concern for these organisms.
VOA: special.2010.08.10
But these steel mills also produced huge amounts of pollution.
VOA: special.2009.07.13
"These are the same kind of fine matter found in normal air pollution.
VOA: standard.2010.04.16
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