It’s our duty to save energy.As middle school students,how should we save energy?Firstly,it’s best for us to walk,ride a bike or take a bus to school.We’d better not take a private car.Secondly,we should use energy-saving lights.Remember to turn off the lights when we leave the classroom.Thirdly,we should save water.Remember to turn off the tap after It’s our duty to save energy. As middle school students, how should we save energy? Firstly, it’s best for us to walk, ride a bike or take a bus to school. We’d better not take a private car. Second, we should use energy-saving lights.Remember to turn off the lights when we leave the classroom.Thirdly, we should save water. Reminder to turn off the tap after