From the U.S. Energy Information Administration today:
Natural gas spot prices fluctuate throughout the year in response to several factors, including weather, production levels, supply interruptions, pipeline constraints, inventory levels, and the availability of other energy sources. Temperature changes, more than any other factor, most frequently correlate with natural gas spot price movements. Natural gas demand and, in turn, natural gas prices in the spot market, will generally rise as temperatures move further away from 60 degrees Fahrenheit, as more natural gas is needed for space heating as temperatures cool and for power generation as temperatures warm.
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.