Drillers in the Bakken shale in North Dakota are burning off or flaring about one third of the natural gas produced, according to a new study.
That is a loss of $100 million a month, according to CERES, a non-profit group that tracks the environmental record of public companies.
It says flaring has tripled in North Dakota in the last there years.
That's due to the low prices for natural gas in the oil-rich Bakken development and the lack of gas pipelines.
CERES has been pushing for the end of flaring for months.
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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.