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.
The U.S. Environmental Protection Agency is looking into hydraulic fracturing or fracking and its impacts on water.
A study by the Battelle Institute done for the American Petroleum Institute and America's Natural Gas Alliance calls for the more collaboration between the agency and stakeholders in order to produce a better and more-comprehensive report.
The 166-page report by Battelle suggests that the agency is not moving toward the best-possible report.
Said API spokeswoman Stephanie Meadows: "We're not calling on the EPA to stop its study. We're calling on them to do it right. We hope Battelloe's analysis will encourage that."
You can read more and access the Battelle report by clicking here.