Conversely, "cycle to work" days have done their job by creating pollution lows.

相反，“骑车上班”的日子创造了污染低值，效果明显。

youdao

The programme Drive Less, Cycle More will reduce pollution and make streets much safer.

“少开车，多骑车”这一计划将减少污染，并且使街道更安全。

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Unlike auto rickshaws, which burn fuel, cycle rickshaws produce no pollution. But the job of a rickshaw puller is not easy.

不同于烧油的自动黄包车，周期人力车没有污染。但车夫的工作却不因此而变得轻松。

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Unlike auto rickshaws, which burn fuel, cycle rickshaws produce no pollution.

VOA: special.2009.05.11

But again, the more people cycle, the less pollution we have.

但是再次地，人们骑自行车越多，污染就会越少。

我使用自行车 - SpeakingMax英语口语达人

Skeptics argue,however, that rising temperatures and warmer oceans are part of a natural cycle and are not convinced the changes are a result of man's pollution.

VOA: standard.2009.05.03