Building more bypasses will help the environment by reducing pollution and traffic jams in towns and cities.

修建更多的支路将减少城镇中的污染和交通堵塞，从而改善环境。

《柯林斯英汉双解大词典》

Recycling waste materials is a way of reducing pollution.

废材料的循环使用是减少污染的一个途径。

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By being a vegetarian you are not only helping your body but you also help the environment by reducing pollution created from animal agriculture.

作为一个素食主义者，它不仅有助于你个人的身体健康，它也减少了来自于畜牧业的污染，从而也有利于环境。

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"The good news is that when China sets its sights on reducing pollution,it has shown an extraordinary ability to reduce emissions."

VOA: standard.2010.04.07

But Mister Zundt says reducing air pollution and acid rain will reduce respiratory illnesses for people in the city.

VOA: special.2009.09.07

Moreover, the goals of reducing pollution and mitigating the effects of climate change sometimes conflict.

ECONOMIST: Anti-hero

And it was true the two issues of meeting aviation demand and reducing pollution were potentially in conflict.

BBC: Students are set to pay up to ?3,000 in fees

We are constantly innovating, figuring out new more efficient ways to remove heat from machines while reducing pollution.

FORBES: Google as a New Innovation Model (Or Not the 20% Time)