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Terms in this set (146)

•Hydraulic fracturing
(hydrofracking or fracking): used to extract natural gas trapped in shale deposits deep underground
•Drilling deep into the earth and then angling the drill horizontally once it meets shale formation
•Electric charges create fractures in the shale
•Then a slurry of water, sand, and chemicals is pumped in
•Sand lodges in the fractures and holds them open as some liquid returns to the surface, including natural gas
•At first, Dimock, PA, residents were happy to allow Cabot Oil and Gas Corporation to drill for natural gas
•They were to receive royalties on gas sells
•Job opportunities increased
•Many residents
had second thoughts
•Drinking water turned
brown, gray, or cloudy
•Strange chemical smells
from their wells
•A well exploded because
of methane buildup
•Resulting events
•Cabot, local political leaders, and Pennsylvania Department of Environmental Protection (DEP) would not listen to residents' concerns
•News media picked up the story
•Documentary filmmaker Josh Fox produced the 2010 film Gasland and won numerous awards
•Finally, Pennsylvania DEP fined Cabot and required them to pay for hauling in clean drinking water
•However, Pennsylvania Governor Tom Corbett ordered an end to the water shipments
•U.S. EPA found that 5 of 64 wells tested were contaminated with chemicals that could threaten health
•State governments have approached hydraulic fracturing in various ways
•Pennsylvania's political leaders welcomed the gas industry with open arms, exempting regulations
•New York's leaders placed a moratorium on fracking until further studies were conducted
•Ohio, Texas, Louisiana, Wyoming, North Dakota, and others encourage fracking
•Vermont has banned it
•California is debating the issue, concerned about drought conditions and the fact that fracking requires large amounts of water
•Ways to minimize impacts of fracking are being researched