The features of the dust pollution distribution over time and space have been summarized of different areas in Gansu province.

总结出省内不同区域内尘污染时空分布特征，进一步阐明尘类污染是影响我省城市大气环境的重要指标。

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8 million die annually from pollution and poisoning; and millions of birds are electrocuted each year by transmission and distribution lines carrying power produced by nuclear and coal power plants.

每年有800万人死于污染和中毒；每年有数百万只禽类被运载有核能和燃煤发电厂的电力的输配电线路电死。

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As lead and arsenic pollution element are skew distribution, statistics of a natural background value and a content of lead and arsenic are worked out using median method of skew distribution.

由手铅、砷污染元素呈偏态分布，故采用偏态分布中的中位数法作了铅、砷自然背景值及含量的统计。

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But noise pollution might severely affect the distribution of fish, and their ability to reproduce, communicate and avoid predators.

BBC: Earth News - 'Noise pollution' threatens fish

So you look at where do the raw materials come from, what's the energy used to make them, how much pollution was generated, how did they get from the factory to the distribution center to the store.

NPR: Taking a Practical Approach to 'Green' Living