-I think we should write on both sides of the paper.

- I think we should save plastic bags, clean and reuse them.

- I think we shouldn't throw wastes and garbage into streams, lakes and even oceans.

- I think we should discard/ throw garbage in waste bins.

- I think we should use less private vehicles and don't release pollutants into the air. 

- I think we should try to re-use and recycle things.

xin hay nhất cho nhóm ạ

 Measures not indiscriminate littering : ( Biện pháp không xả rác ) :

- Put trash everywhere . ( Đặt thùng rác ở mọi nơi ).

- Perform garbage sorting ( Thực hiện phân loại rác ) .