The earth is our home and it is in danger.we humans do many bad things to the earth and the environment is not as good as before. So we must do something to protect our earth.
To protect our earth,every one of us should do something.We know that a little thing won"t make great changes,but if all the people on the earth do the same thing.it will be the great cheage-a totally change.so we meed to change right now.
We can start from little things in our daily life.We can"t live without water,so we must save water.And we can"t live without air,so we should plant more treess.Trees can make air fresh.We shouldn"t throw rubbish everywhere.
