However,Tata company officials say the Nano will produce less pollution than any other car in the country.

VOA: special.2009.03.28

Other cultures focused more on an ethics of divinity where notions such as purity, sanctity, pollution and sin are relevant.

还有的文化则重于神性道德,他们的道德则与纯结，神圣，亵渎，罪孽等有关。

耶鲁公开课 - 心理学导论课程节选

Other threats include human pollution, acidification from carbon dioxide and rising temperatures in Earth's atmosphere.

VOA: special.2009.05.12

Other places are slowly being damaged by pollution and careless visitors.

VOA: special.2009.04.22

"At a per-passenger-mile basis, rail is about three times as efficient as travel by car, in terms of fuel efficiency, and six times as efficient as travel by air, so there are pretty substantial pollution reduction benefits both in terms of greenhouse gases and other pollutants."

VOA: standard.2010.02.15