Sonali Kolhatkar on Fracking and Air Pollution in Los Angeles

Sonali Kolhatkar on Fracking and Air Pollution in Los Angeles -- Over the past 50 years, the city of Los Angeles has made great strides to curb its smog problems by cutting vehicle emissions. But now, the emerging "fracking" industry threatens to undo much of that progress by wantonly spewing toxic chemicals into the air.
http://www.truthdig.com/report/item/fracking_and_the_new_war_on_air_pollution_in_los_angeles_20131205/