能帮我看一下这篇英语作文有什么错误吗?

题目

能帮我看一下这篇英语作文有什么错误吗?
Now,the environment is badly polluted,and our Earth is in danger.The rubbish will pollute the environment,and it is harmful to our health.The greenhouse effect becomes worse,this will cause the sea's level to rise,drawn the cities even countrys.We only have a Earth,so we should do something to save her.In daily life,we should be a green consumer and use the environmentally friendly things.We should try not to drive the cars and save the water and electricity energy to keep our Earth clean,make our house more beautiful.
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答案

Now,the environment is badly polluted,and our Earth is in danger.The rubbish will pollute the environment,and it is harmful to our health.The greenhouse effect becomes worse,this will cause the sea's ...