we should protect environment

我们应该为环保做些什么(What Should We Do To Protect Environment)
We have only one earth; it's our duty to protect the environment.But now the environment is getting worse and worse.It is necessary for us to take some actions to prevent the environment from being polluted.We shouldn't spit and throw litter in public.We should keep our city clean and tidy.Please remember to turn off the lights when you leave the room and don't forget to turn off the shower when we finish washing hands.We'd better walk or ride a bike instead of taking a taxi or a bus.It is important to plant trees to keep air clean.We can also plant some flowers to make our country more beautiful.
If we do nothing to protect the environment,the environment will be even worse.So we should try our best to make the earth more beautiful.