text: People do not understand what effects cars are having on the world but hopefully them will before this issues go even farther. With cars creating greenhouse gases that are destroying the atmosphere in large sections of are planet. But places such as paris have been finally trying to make a differences and put a partial ban on cars. and one of the best ways could be to make cities and suburbs more compact. Hopefully now you have taken something away from this.            Often times within a classroom setting, it is easy to become bored or confused. One second of being off track can lead to being completely lost for an entire 90 minute class. While most teachers do their best to keep students engaged and learning, often times it can be impossible to keep tabs on the emotions of 25 people at once. However, Facial Action Coding System can track the emotions of all students. Introducing the Facial Action Coding System would be incredibly helpful within a classroom setting.