Chesapeake Energy Corp,the Oklahoma-based firm is the No. 1 driller in Ohio.
Rig Count Interactive Map by Baker Hughes, an energy services company.
Shale Sheet Fracking, a Youngstown Vindicator blog.
The Ohio Environmental Council, a statewide eco-group based in Columbus.
Earthjustice, a national eco-group.
People's Oil and Gas Collaborative-Ohio, a grass-roots group in Northeast Ohio.
Concerned Citizens of Medina County, a grass-roots group.
No Frack Ohio, a Columbus-based grass-roots group.
Fracking: Gas Drilling's Environmental Threat by ProPublica, an online journalism site.
Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.
Allegheny Front, environmental public radio for Western Pennsylvania.
Public radio veteran Alex Chadwick recently toured Pennsylvania to examine fracking, the politically volatile exploration technology that has made natural gas the single most important element remaking our energy economy.
He talks with experts on the role the natural gas boom, climate change, and other sweeping events are making us re-think how we get our energy.
This is an excerpt of a longer documentary hosted by Chadwick, Burn: An Energy Journal, a production of SoundVision and American Public Media.
To access the report, click here.