Answer:

1.I have learned that we should value our environment.There's nothing wrong to do things that will make our nation more developed but we should always make sure that it will cause no harm such as water pollution,etch.

2.In our community,many residents throw their garbages in the street and in rivers.The noise from the vehicles,as well as the dirty smoke can be smell and heard wherever I go.

Explanation:

I hope it helps.