要用英语回答的问题！

air\water\noisy\...
people factory
make our surroundings get worse
let everyong knows what we had done and the effects
we can make our friends and family know the caution and the bad news

In our life, what pollution? What causes it? What is the harm they are? How to deal with them? As students, what can we do?

what pollutions are there in our life
which reason caused the pollution
how to deal with them
what should we do as a junior school student