Fracking is the commonly used term to describe hydraulic fracturing. “Fracking is a means of natural gas extraction employed in deep natural gas well drilling. Once a well is drilled, millions of gallons of water, sand and proprietary chemicals are injected, under high pressure, into a well. The pressure fractures the shale and props open fissures that enable natural gas to flow more freely out of the well.” (

Watch the trailer for Gasland – the Academy Award nominated documentary that has helped bring fracking to national attention (to find out how you can get involved in advocating around this issue go to

Nina Katkins, an Alliance of Nurses for Healthy Environments (ANHE) member, developed this excellent poster presentation on Marcellus Shale and fracking. Download: Marcellus Shale 

The Endocrine Disruptor Exchange has an excellent resource that goes into detail about how the drills are constructed, the process, and environmental and health concerns. Read Chemicals in Natural Gas Operations. Watch this on fracking video narrated by Theo Colburn.

For more information and ways to get involved see Energy and Health.