空气污染对健康有很大影响。
kōngqì wūrǎn duì jiànkāng yǒu hěndà yǐngxiǎng 。
Air pollution has a significant impact on health.
政府正在采取措施来减少水污染。
zhèngfǔ zhèngzài cǎiqǔ cuòshī lái jiǎnshǎo shuǐ wūrǎn 。
The government is taking measures to reduce water pollution.
为了保护环境，我们需要减少垃圾污染。
wèile bǎohù huánjìng ， wǒmen xūyào jiǎnshǎo lājī wūrǎn 。
To protect the environment, we need to reduce waste pollution.