This document provides an overview of Marcellus Shale drilling in Pennsylvania and discusses environmental and public health concerns associated with the process. It notes that 64% of PA underlies the Marcellus Shale formation and outlines concerns such as chemical and wastewater leaks threatening drinking water, air pollution, excessive water use, and impacts to public lands. It proposes actions citizens can take to strengthen regulations around water use, chemical disclosure, buffer zones, and ensuring industry pays for damages.