Marcellus Shale
- Livestock falling ill in fracking regions, raising concerns about food
- Fracking opponents suffer setback in New York
- Wastewater disposal is greatest threat to drinking water from gas fracking operations, say researchers
- New study: Fluids from deep in Marcellus Shale likely seeping into PA drinking water
- Natural gas: Bridge or detour?
- Government report and think tank also question rosy natural gas estimates
- Study says North Texas gas drillers could reduce their air pollution — and make money doing it
- Gov. Rendell signs ban on new gas leases in sensitive state forests
- Marcellus Shale drilling among threats identified in Penn. forest assessment
- Penn State creating new Marcellus Shale education and research center
- Congressmen request fracking fluid info from natural gas companies
- Drilling chemicals used in new gas wells remain underground