1) Marcellus Shale is a huge shale layer with tons of natural gas trapped underneath.
2) It is located in New York, Pennsylvania, West Virginia, and Ohio.
3) The Marcellus Shale is important because of the oil and gas production in Pennsylvania.
4) The issues with the Marcellus Shale is the natural gas drilling could have more impact on Pennsylvania's future than any other before the public and decision-makers today.
