text: Many people have embraced giving up their car to help better the enviorment. Doing so will help reduce smog, and co2 emmissions, which are hurting our atmoshphere. If just enough people join in, and take different means of transportation, we can make our air safer to breathe and save our earth.                           The use of the Facial Action Coding System that is used to read emotional expressions of students in classrooms is valuable. The use of this technology is valuable because students would have a better work ethic. The students would want to strive and would want to do their work.