National Public Radio: 2014 has been a shaky year so far for Oklahomans. The state has had more earthquakes than California. A growing body of research points to oil and gas production as fueling the increase in seismic activity. A paper published today in the journal Science suggests a small number of wastewater wells used in drilling operations could be responsible for many of the small quakes. StateImpact's Joe Wertz reports.
JOE WERTZ: Public officials held a town hall north of Oklahoma City last week to answer...