FOX, VOICE OVER In 2009, an air quality researcher at Southern Methodist University, Dr. Al Armendariz, figured out that the 7,700 gas wells in the Barnett Shale caused as much air pollution as all of the cars and trucks in the Dallas Fort Worth Metroplex.
I 2009 regnet dr Al Armendariz på Southern Methodist University ut at Barnett Shales 7700 gassbrønner var like skadelige for luften som alle kjøretøy i Nord Texas.