text: In conclusion, Students should be required to do one extracurricular activity. I think that students should be required to do one extracurricular activity because there is many benefits. Doing an extracurricular activity can improve your physical and mental health, helps build new skills, helps keep your grades up,and can benifit many people. Do you think students should be required to do an extracurricular activity?Why should we limit our uses on car usages, some people se the limiting of car usage as less tense. " When I had a car I was always tense. I'm much happier this way" said heidrun Walter, a mother of two. when you have a car you'll have to find space for it as well as a house to buy. There are only two places to park at the edge of a development, where a car-owner has to pay $40,000, along with a home. passenger cars are responcible for 12 percent of greenhouse gas emissions in Europe, and up to 50 percent in the United states. with less cars people have the advantages of being a walk away from a store instead of a highway. With less cars that give off gas emissions the less our ozone will deplete. More and more people are using hybrid cars because they dont give off as much gas emissions than regular cars that take diesel. Depending on the weather of the night and day could really effect the greenhouse effect of our planet. If ther was a cold night and a warm day this could help the warmer layer of air to trap the car emissions, which depletes the ozone layer that is protecting our planet.