This week’s Maddy Report will examine the issue of fracking — the process of injecting liquid at high pressure into the ground (subterranean rocks, boreholes, etc.) to force open existing fissures and extract oil or gas. The first show, “Fracking: Them Are Fightin’ Words!” airs at 7 p.m. Friday, July 18 on KVPT (ValleyPBS) and 5:30 a.m. Sunday, July 20 on KSEE 24 (Fresno NBC). Host Mark Keppler will speak with guests Bill Allayaud, director of Governmental Affairs at Environmental Working Group; Rock Zierman, CEO of California Independent Petroleum Association; and Jason Marshall, chief deputy director of the California Department of Conservation.

The Valley Views Edition, “Fracking: Boom or Bust for the Valley?” will air at 10 a.m. Sunday, July 20 on KMJ Radio (and podcast) with guests Tupper Hull, vice president of strategic communications for the Western States Petroleum Association; Bob Merrill, Fresno State geology professor; and Janice Gillespie, California State University,  Bakersfield geology professor. The Maddy Report is a public affairs program that is also available online at The Cal Channel. INFO: 559.278.1133.