Sometimes it is necessary to change our habits. Saving energy is one illustration. If we can save more energy, such as water and electricity, we can help keep the natural environment safe. Saving water, for example, helps preserve our rivers and reservoirs. If we usually take 10-minute showers, in this case we should try to take shorter showers. When we go out, we should remember to shut off electronic like televisions and computers. Turning off the lights is another example of saving electricity. In short, remembering to help the environment, such as by saving energy, is one of our most important responsibilities.