How to protect the environment?
Our environment is very important for our lives .The river was clean in the past.But now,we have air pollution.people cut down many trees ,pour waste water into the river and waste gas into the air ,and drop plastic bags everywhere .Something must be done to stop that.First,we should plant many trees around us to keep water.Second ,we can ride a bike or walk to the school or work.Third ,we can carry plastic bags to protect environment.Finally,we can ask more people to join us.
The earth is our home.Let’s protect it!