text: There are numerous studies on the health risks of air pollutants that can back up the reasoning of countless goverments and cities that want to undo their own demise. In the final source titled, "The End Of Car Culture", the passage states that," Many Sociologists believe it will have beneficial implications for carbon emissions and the enviroment, since transportation is the second largest source of America's emissions..." This statement comes after the news of declines in Americans driving their own cars. This atop of new drivers not wanting their licenses and prefer public transit are unknowingly an aid to fighting the global emission dilema.