Marcellus Citizens Guide produced by the National Sea Grant Law Center and PA Sea Grant.
The Pennsylvania Guide to Hydraulic Fracturing, or "Fracking"
Abandoned Oil Wells Spouting Significant Levels of Methane
Derelict Oil Wells May Be Major Methane Emitters
Physicians, Scientists and Engineers (PSE) for Healthy Energy
Save Our Streams PA A Facebook page
Gas Drilling Awareness Coalition, Luzern County PA (GDAC) A very well organized web site with lots of good information.
PennFutures They produce a good newsletter
Earth Works A national organization working on a variety of environmental problems.
Article 1, Section 27 of the Pennsylvania Constitution.
“The people have a right to clean air, pure water, and to the preservation of the natural, scenic, historic and aesthetic values of the environment. Pennsylvania's public natural resources are the common property of all the people, including generations yet to come. As trustee of these resources, the Commonwealth shall conserve and maintain them for the benefit of all the people.”
The following article is an extensive review of the Marcellus Shale formation but it also includes information about leasing, pipelines, and the Utica Shale.
Marcellus Shale - Appalachian Basin Natural Gas Play from Geology.com
Since each gas company makes its own combination of fracking fluid (a proprietary "secret" formula), it is difficult to provide an actual list. The following is a generalized list
What Is Fracking Made Of? Frac Focus
Fracking Fluid Functions
Natural Gas Extraction from Shale – Introduction
Natural Gas Extraction from Marcellus Shale: Environmental Impact (pdf) (Part II of Study Guide)
Natural Gas Extraction from Marcellus Shale: Its Economic Impact (pdf) (Part III of Study Guide)
Taxing Natural Gas Extraction from Marcellus Shale (pdf) (Part IV of Study Guide)
Regulation and Permitting of Natural Gas Drilling (pdf) (Part V of Study Guide)