Guests Robert Merrill, CSU Fresno professor of geology, Janice Gillespie, CSU Bakersfield professor of geology; and  Tupper Hull, vice president of strategic communications for Western States Petroleum Association, discuss fracking with Maddy Institute Executive Director Mark Keppler.

Radio commentary provided by Bill Allayaud, Director of Governmental Affairs at EWG; Rock Zierman,CEO of CIPA; and Jason Marshall, Chief Deputy Director of the CA Department of Conservation.

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