View of a Rex Energy gas-drilling rig in Connoquenessing Township, PA on 01/08/2012.  © Noah Addis/MSDP 2012

View of the Sunoco Marcus Hook Refinery in Marcus Hook, PA on
09/11/2011.  © Noah Addis/MSDP 2011

View of the Sunoco Marcus Hook Refinery in Marcus Hook, PA on
09/11/2011. The refinery, which has since been idled, is under consideration as a potential site for a liquefied natural gas terminal to process and export gas from the Marcellus Shale.  © Noah Addis/MSDP 2011

View of a Range Resources gas-drilling rig along Skyline Drive in Hickory, PA on
01/22/2012.  © Noah Addis/MSDP 2012

View of a Consol Energy gas-drilling rig along Archer Road in Morris
Township, PA on 01/24/2012.  © Noah Addis/MSDP 2012

View of the Morris Township Community Park in Prosperity, a section of Morris Township, PA on 01/24/2012.  © Noah Addis/MSDP 2012

View of a natural-gas drilling rig along Devil’s Half Acre Road in East Finley, PA on 01/24/2012.  © Noah Addis/MSDP 2012

View of a natural-gas pipeline construction site along Valley Chapel Road in East Finley, PA on 01/24/2012.  © Noah Addis/MSDP 2012

View of a natural-gas pipeline under construction in Franklin Township, PA on 05/01/2012.  © Noah Addis/MSDP 2012

View of a water pipeline leading to an EOG Resources natural-gas rig in the Moshannon State Forest in Penfield, PA on 06/06/2012.  © Noah Addis/MSDP 2012

A Chesapeake Energy gas-drilling rig in Wyalusing, PA.  © Noah Addis/MSDP 2012

View of a gas-compressor station near the home of Pam Judy in Cumberland Township, PA on 05/01/ 2012. Judy says that emissions from the compressor station are making her family sick.  © Noah Addis/MSDP 2012

View of an EOG Resources well pad containing completed wells in the Moshannon State Forest in Penfield, PA on 06/06/2012.  © Noah Addis/MSDP 2012

Carol Jean “Jeannie” Moton poses for a portrait at her home in Avella, PA on 04/29/2012. Moton says she has had health problems including skin lesions and rashes, hot flashes, and bone pain since the first Marcellus Shale well was drilled near her home in 2006. She says several of her neighbors,  including her mother, have become ill. She suspects that contaminated water contributed tothe recent death of her father, as well as that of her own and her neighbor’sdogs. “This is not a safe practice,” she says. “I’ve been through hell.”  © Noah Addis/MSDP 2012

Skylar Sowatskey, aged three, poses for a portrait near her home inConnoquenessing Township, PA on 04/30/2012. Her mother claims that their water was contaminated after several Marcellus Shale gas wells were drilled inthe area between 2010 and 2011. The family recently moved from their home,  where they had lived for sixteen years.  © Noah Addis/MSDP 2012

Pam Judy poses for a portrait at her home in Cumberland Township, PA on 05/01/2012.  © Noah Addis/MSDP 2012

Fred McIntyre poses for a portrait at his home in Connoquenessing Township, PA on 04/30/2012. McIntyre, who has lived in his home for twenty years, claimsthat his water turned purple and foamy after several Marcellus Shale gas wells were drilled in the area in January of 2011. He and his family now drink only bottled water.  © Noah Addis/MSDP 2012

Ron Gulla poses for a portrait at his mother's home, where he now lives with his family, in Canonsburg, PA on 04/29/2012. Gulla says he lost his farm in a lawsuit with energy company Range Resources after his land was contaminated by the hydraulic fracturing process. © Noah Addis/MSDP 2012

Janet McIntyre poses for a portrait at her home in Connoquenessing Township, PA on 04/30/2012. McIntyre, who has lived in her home for 20 years, claims that her water turned purple and foamy after several Marcellus Shale gas wells were drilled in the area in January of 2011. She and her family now drink only bottled water.  © Noah Addis/MSDP 2011

View of an XTO Energy gas drilling rig in Connoquenessing Township, PA on 01/08/2012. © Noah Addis/MSDP 2012