嗯，为了减少空气污染，我们应该乘坐公交车或地铁而不是开车。

Well, to cut down air pollution, we should take the bus or subway instead of driving.

保护树木可以帮助减少空气污染。

Protecting trees can help reduce air pollution.

我们需要采取措施减少空气污染。

We need to take measures to reduce air pollution.

使用清洁能源可以减少空气污染。

Using clean energy can reduce air pollution.

政府推出了减少空气污染的政策。

The government introduced polices to reduce air pollution.

我们应该多植树，减少空气污染。

We should plant more trees to reduce air pollution.

工厂排放污染物是受管制的，以减少空气污染。

The emission of pollutants from factories is regulated to reduce air pollution.

人们可以通过骑自行车来减少空气污染。

People can reduce air pollution by riding bicycles.

减少交通流量就会减少空气污染。

Less traffic means less pollution.

减少空气污染和酸雨会减少城市人口的呼吸疾病

Reducing air pollution and acid rain will reduce respiratory illnesses for people in the city.