Before we all go just gaga over Wall Street's lastest knee jerk performance due to the proposed business friendly maneuvers by Trump like cutting the EPA take a look at some of the old photos taken in America before Nixon's Clean Air Act really took hold and made a difference: http://www.motherjones.com/blue-marble/2011/12/smog-photos-1970s-america Everything comes with a price. Is America willing to pay it?