How to protect the earth
How to protect our earth has become one of the biggest problems in the world.Our earth is just like our mother.We do everything can do a real difference to the earth.
We need to pick up litter around us.You'd better join a programme to protect our mother.You mustn't cut down too many trees.We can protect factories from polluting the rivers.
We can do our best to keep the air clear!I hope everyone do these!
I believe she will be more and more beautiful!