We have only one earth so we should protect our environment.We'd better drive less,walk more so that we can produce less harmful air.Stop pouring the waste water into the river.We'd better use less one-off plastic bags.Turn down the influent speaker.It's also very useful to plant more trees.I believe if everyone makes a contribution to our envirnment,our world will become more and more beautiful.
We have only one earth so we should protect our environment. We'd better drive less, walk more so that we can produce less harmful air. Stop pouring the waste water into the river. We'd better use les...