But they can also pollute water and air.

但他们也能污染水和空气。

youdao

Residents from Wyoming to Pennsylvania fear that the chemicals will seep into aquifers and pollute water supplies, and in some cases they complain it already has.

从怀俄明州到宾夕法尼亚州的居民都担心这些有毒化学物质会渗入地下蓄水层、污染水源，而且在很多钻进里面，他们抱怨地下水已经被污染了。

youdao

It may pollute the air and water.

它可能会污染空气和水。

youdao

Undigested phosphorus in their waste can pollute water supplies.

VOA: special.2010.02.02

But they can also pollute water and air.

VOA: special.2009.07.28

The waste can also pollute the water when it runs off into streams or overflows the lagoons.

VOA: standard.2010.05.06

The industry says the method is safe, but critics say it could cause earthquakes and pollute water sources.

BBC: US to become 'world's biggest oil producer'

Opponents fear UK Methane will use hydraulic fracking to extract gas which they say could pollute water supplies.

BBC: Meeting over Keynsham gas extraction plan by UK Methane

They say the mine will pollute water and force people off their land.

BBC: Rival marches in Ecuador over Amazon mining plans