To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/157696" allowfullscreen></iframe> Marvel's Agents of S.H.I.E.L.D. blames fracking for groundwater contamination.