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Video: The Science of Shale Gas

Anthony Ingraffea, PhD, a professor of engineering at Cornell University, discusses the heavily industrialized and spatially intense nature of hydraulic fracturing and why, where and how it leaks methane -- a greenhouse gas 72 times more powerful 1than carbon dioxide.

Page Updated June 18, 2014

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  • PSR Expert Testimony on Coal Ash

    Chesapeake PSR is suing the EPA over a proposed delay in a rule that slashes coal ash waste discharges into rivers and streams. PSR National Environment & Health Director Barbara Gottlieb gave expert testimony on the health impacts of coal ash disposal. Read more »

  • Barbara Gottlieb's Testimony on EPA Methane Standards

    On July 10, 2017, PSR Environment & Health Director Barbara Gottlieb testified before the EPA against a proposed rollback of a methane regulation that would reduce leaks from oil and gas wells. Read more »

  • Climate Communicators Guide

    Our new guide for climate communicators speaking on behalf of PSR, featuring tips for speaking on climate change and health, and sample presentations and other resources. Read more »

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